CyberSamuraiii wrote:but left it up to us to figure out why and how it works.So, figure out why and how it works. If you can't analyze existing code, you'll absolutely suck as a programmer.

.NET

mathematics

algorithm

What is the error? I cannot run the program.

2 Feb 2022 by 1298201

#include #include using namespace std; class payroll { private: string name; int day; int rate; int ot; int otrate; int sss; int phil; int pgibg; public : int get_info(); ...

C++

mathematics

programming

How to calculate the distance of tow points precisely ?

26 Aug 2014 by _Asif_

I can't recognize the mentioned math. The simplest way to calculate two points distance isfloat GetDistance(float X1,float Y1,float X2,float Y2) { float dx = X1 - X2; float dy = Y1 - Y2; return (float)sqrt(dx * dx + dy * dy); }Check this Distance...

C++

mathematics

What is the error? I cannot run the program.

2 Feb 2022 by _Asif_

It seems * you just copy the code from some website, incorrectly paste it * press F5 (run). * Got Compiliation Error * You came on Codeproject, paste the code again and asking to solve the problem, without putting any efforts at all. My...

C++

mathematics

programming

how to Store Math Formula in sql server

22 May 2014 by Aarti Meswania

you can do this way...store formula in sql table tblFormulas like below...FormulaName FormulaEquationGain S.P. - C.P.Loss C.P. - S.P.Gain% (GAIN * 100)/C.P.Loss% (LOSS * 100)/S.PSelling Price (S.P) ((100 + GAIN%)/100)*C.P.Now...Write...

SQL

SQL-Server

mathematics

How To Implement a Scientific Calculator in C++

21 Jan 2014 by Abdelrahman Elzedy

A brief overview on mathematical implementations with programming language

Why any thing divided by zero is undefine

21 Mar 2011 by Abhinav S

Did you check out wiki on this[^]?

mathematics

Addition without addition in C#?

8 Feb 2014 by Abhinav S

Its possible with bitwise operations.You can find some implementations if you search on the internet.

mathematics

Automatic raise of exception for NaN or Infinity values

7 Jun 2013 by Ahmed Bensaid

Hello,I think you'll need to raise the exception yourself like this :if ((double.IsInfinity(result)) || (double.NaN(result))) { throw new ArithmeticException();}

exceptions

mathematics

String mathematical input and solution

4 Nov 2016 by Akhilesh Chauhan

suppose I have to accept an mathematical expression in a string format from the user, like e.g. 2*5 or 9/5+9 or 91-10+82/3 and so on. It can be of any length. It works if I have single length operand like 3+9-5*4/2 by some change in my below code it works fine. but fails if i give it more then...

string

mathematics

expression

String mathematical input and solution

4 Nov 2016 by Akhilesh Chauhan

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplicationExpressionUsingWhileLoop{class Program{ static void Main(string[] args) { char[] arrOne = new char[100]; int[]...

string

mathematics

expression

How to generate a specific signal in MATLAB

16 Dec 2013 by Albert Holguin

Your question is too general... there's a huge number of signals that would fit into that spectral mask. Post more specific questions once you get started.So far what you know (from the picture): 0. Signal must be centered at 21MHz (common IF frequency) 1. 3dB bandwidth must be...

How to cut a polygon with another one?

10 Dec 2010 by Albin Abel

Hi,I will give you a rough idea how it could be. By the way it is my own idea and not referring to any existing popular algorithm. When take two polygons which intersects there are some node (point) must be inside the other polygon. So on a loop find the point inside using the point in...

mathematics

Sorting of Points in 2D space

16 Feb 2011 by Albin Abel

Hi,The polygon you have shown in the picture is a concave polygon, which usually little difficult to sort, however the one you have shown is somewhat easy. Find the centroid of this polygon from the given points and from the centroid trace with increase in angle. From the centroid if two...

mathematics

algorithm

Comparing Simple Sounds - What is the Closest Frequency

4 Mar 2011 by Albin Abel

Each piano key has unique frequency. So the frequency domain i.e fourier transformation helps to identify the pattern of the pure sound from noise. That pattern you could use compare the sound."Another thought I had was that a note should be more or less the same each time it is played. If...

.NET

mathematics

algorithm

Functional Programming in Numerical Integration

4 Jun 2014 by Alexandr Stefek

The article depicts usage of functional programming for creating indefinite integral in form Func from delegate Func.

.NET

mathematics

Generic Vector<T> Class Implementation With Use of Expression Trees

21 Jul 2014 by Alexandr Stefek

This article show another way to implement generic operators. Vector is in middle of attention.

mathematics

generics

How do I transfer a new matrix of elements in the given matrix as 3 elements.

12 Dec 2022 by All Yasser

Transfer a new matrix of elements in the given matrix as 3 elements. What I have tried: Transfer a new matrix of elements in the given matrix as 3 elements.

mathematics

MatLab

Prove that for any integer n≥1, n(n^2 − 1)(n + 2) is divisible by 4 using mathematical induction.

28 Nov 2020 by alley46

In the first step, divisibility to 4 for n = 1 must be provided. Then I get the question of whether 0 can be divided by 4. How do I go through this step? what should I do? how can ı prove that problem? What I have tried: ı tried; for n=1;...

mathematics

Procedural seamless noise texture generator

3 Feb 2015 by andrea contoli

Presentation and testing of some procedural bitmap creation algorithms .

Hashing algorithm using index value ranges.

16 Dec 2010 by Andreas Gieriet

Depending on the amount of potential entries and the size of the ranges, you might consider to go a brute-force approach:--> Add for each number in the hash_insert(...) range a dedicated entry in the hash table.I.e. the hash_insert(...) function is a convenience function for multiple...

mathematics

algorithm

exp(-x) - sinx = 0; _ MATLAB

11 Jan 2014 by Andreas Gieriet

I strongly suggest to first get a "feeling" for the graph.1) sin(x) is periodically in 2⋅π and has roots every n⋅π (∀ n ∈ Ν0)2) sin(x) ≈ x (x much smaller than π/2)3) e-x goes monotoinc to zero (∀ x ∈ R, x ≥ 0)4) e-x has sample...

mathematics

MatLab

m. s. bartlett fitting straight line always three groups?

11 Jan 2014 by Andreas Gieriet

I'm not familiar with that method, but my understanding from reading some online documentation (e.g. http://en.wikipedia.org/wiki/Bartlett's_method[^], http://math.mit.edu/linearalgebra/ila0403.pdf[^], etc.) I come to the following conclusion:Bartlett's method basicalliy calculates a series...

mathematics

Find positive divisors for number that adds up to starting number

8 Dec 2014 by Andreas Gieriet

These numbers have a name: Perfect Numbers. See Perfect Number[^].Calculate for each Marsenne Prime[^] P the corresponding perfect number N: N = P*(P+1)/2 = (2r-1) &dot; 2r-1 (where r is prime and 2r-1 is prime = Marsenne Prime).P = 3 N = 3*4/2 = 6P = 7 N = 7*8/2 = 28P...

mathematics

Correlation between Math and Good Computer Programmer

28 Jun 2015 by Andreas Gieriet

In my schooldays, programming and math was always put in close relation.I never felt that this has any fundamental relation.Some people may argue that designing an implementing an algorithm needs mathematical skills. I'd say, expressing your thoughts is at least as important to describe an...

mathematics

How do I program the math to find a date in a made up calendar?

19 Dec 2015 by Andreas Gieriet

You need a start date of the calendar, a first weekday of the calendar, a strategy how to calculate the leap days (in general, leap days do not necessarily need to be at the end of a month and there may be more than one leap day (IIRC, some ancient calendars even had leap months)).E.g. the...

C++

mathematics

Fibonacci Without Loops or Recursion

17 Dec 2012 by Andrew Rissing

A method for calculating a Fibonacci number without using loops or recursion.

mathematics

How to solve a system of ODE by runge-kutta-fehlberg method?

16 Mar 2016 by Andrewpeter

Hi everybody,I need to solve a System of Ordinary Differential Equations (ODE) by Runge-Kutta-Fehlberg method. I know that algorithm only uses with an ODE which has a function with form y'=f(x,y). Now I want to enhance this algorithm with a system of ODE,...

C++

mathematics

A math Library to calculate strings

10 Jun 2015 by Andy Lanng

Nope. You may find an API but I'd write one myself.Look at the below example of how to parse arithmetic strings using stacked operators There may be a API you can pull out of it:Math Parser .NET C#[^]

C++

mathematics

string

Help me in dealing with complex numbers ?

18 Oct 2012 by AndySardina

In C + + is a class dedicated to work with complex numbers, which is part of its standard library, defined in the library complex. Using this will make you work easier because the class provides a set of functions to perform arithmetic operations on this set of numbers, in addition to the I/O....

mathematics

Automatic raise of exception for NaN or Infinity values

22 Sep 2020 by angusmax

I have a long sequence of calculations (using variables of type "double") where some operations might result (depending on input values) in "NaN" or "Infinity".Since I don't want to add something like the following:if ((double.IsInfinity(result)) || (double.NaN(result))) {...}after...

exceptions

mathematics

Is there an algorithm for generating random pairs of a set of numbers?

7 Jan 2022 by Annaarddy

Genetic algorithm will work for generating random pairs

mathematics

graph

algorithm

Sorting of Points in 2D space

16 Feb 2011 by Anthony Mushrow

So you want to sort clockwise, but in the event that some points have the same angle from the start point (Wherever 0 degrees points) then you want to sort by what? Closest point to the center?Either way, they're just vectors so you can find the magnitude and angle and use both to sort the...

mathematics

algorithm

Trouble with havel-hakimi algorithm

26 Mar 2022 by Antony Fritzelas

Hi! I am currently developing a custom algorithm that implements the Havel-Hakimi algorithm choosing a node randomly. Unfortunately I have run into a logical error that is hard for me to trace (since I am a beginner in programming).I would...

Python

mathematics

probabilistic latent semantic analysis in C#

17 Aug 2012 by Anup Shinde

Its not PLSA, but please check the updated post belowwww.anupshinde.com/latent-semantic-indexing[^]

mathematics

Making a 2D Physics Engine: The Math

29 Jan 2018 by Arav Singhal

An introduction to all the math required to get started on your own 2D physics engine

Making a 2D Physics Engine: Spaces and Bodies

29 Jan 2018 by Arav Singhal

The basics of spaces, transformations and bodies used in a 2D physics engine.

physics

mathematics

Making a 2D Physics Engine: Shapes, Worlds and Integration

29 Jan 2018 by Arav Singhal

Representing shapes, worlds, and integrating forces and velocities in a 2D physics engine

physics

mathematics

Making a 2D Physics Engine: Mass, Inertia and Forces

12 Nov 2018 by Arav Singhal

Calculating the mass and inertia of a body and applying forces to it

physics

mathematics

mathematic evaluation user defined variable

6 Mar 2013 by arave0521

Hai. I was thinking how to evaluate mathematical equations based on user defined variable separately. for examplelet say user input (y4df +rew)/4dwcf*rtewhen user click evaluate, it will prompt user to input values for variables as belowy4df = ?rew= ?4dwcf=?rte= ?any suggestion...

mathematics

Ray Tracing

28 Jul 2021 by aroman

A ray tracing project

tracing

nvidia

mathematics

Empirical Pseudopotential

21 Jul 2021 by aroman

This blog entry shares a project that computes the band structure of a crystal having the diamond/zincblende structure, for various elements.

Density Functional Theory

21 Jul 2021 by aroman

In this article I briefly explore Density Functional Theory

mathematics

DFT

VTK

Solving Poisson Equation

21 Jul 2021 by aroman

This post also introduces VTK, The Visualization Toolkit

mathematics

DFT

VTK

Nuclear Magnetic Resonance and Fourier Transform

21 Jul 2021 by aroman

In this post we introduce the Fourier Transform and hint about some of its usages.

C++

mathematics

Lattice Boltzmann

21 Jul 2021 by aroman

In this post I explore Lattice Boltzmann methods and build a related project

C++

OpenCL

mathematics

Time Evolving Block Decimation

21 Jul 2021 by aroman

The subject of this post is Time-Evolving Block Decimation.

C++

mathematics

Relaxation Method

21 Jul 2021 by aroman

This post is about the relaxation method combined with a multigrid method applied on the Laplace equation.

Javascript

physics

mathematics

Density Matrix Renormalization Group

21 Jul 2021 by aroman

In this post I implement a Density Matrix Renormalization Group program.

C++

mathematics

algorithm

The Hartree-Fock program

21 Jul 2021 by aroman

In this article I discuss and make a program about Hartree-Fock.

C++

mathematics

“Trits” Instead of “bits” – A Short Introduction to Balanced Ternary

19 Dec 2014 by Artem Los

“Trits” instead of “bits” – A short introduction to balanced ternary

mathematics

Calculating the Pi Number

13 May 2020 by Askar Azhibaev

Calculating the pi number faster using a simple formula

OpenGL

mathematics

computing velocity from a vector

10 Jan 2012 by AspDotNetDev

Since there is no time component, you are looking for the magnitude of the vector. You can get it as follows:M = Math.Sqrt(dx * dx + dy * dy)"dx" stands for "delta x", or the x component of the vector. "dy" is "delta y". You can compute dx given any two x points:dx = x1 - x2Same goes for...

mathematics

Pathfinding (not the usual)

28 Feb 2013 by AspDotNetDev

That is called a weighted graph (where each edge has a "cost"). The "cost" in your case would be the total time to travel from one node to the next (which can be calculated with the inputs you specified, speed and distance).You mentioned one possible solution already: Dijkstra's algorithm,...

.NET

mathematics

How to solve equations with one unknown at runtime in C++?

23 May 2023 by Avtem

So, the goal of the program is: 1) get an equation from the user with one unknown as a std::string (e.g. "62 = x * 1000") 2) solve the equation and print the value of the unknown (denoted as "x") What I have tried: i found TinyExpr, which is...

C++

mathematics

Need help about dynamic time warping techniques

2 Oct 2017 by aymanshebl

can any one give me a very illustrative example of dynamic time warping and how it works?, i am a beginner of this branch. thanks in advance What I have tried: i need a complete reference about dynamic time warping technique.

mathematics

Evaluate formula

3 Oct 2010 by Baji Jabbar

Hi I am assuming the programming language as C#You can use Math.Pow() Function to accomplish this in C#. You can refer [this.]You can convert the equation to result with Math.Pow((x - a), 2) + Math.Pow((mx + c - b), 2) = Math.Pow(r,2); :) But your equation seems like it...

mathematics

Convert filesize (bytes) according to highest possible size scale (KB, MB, GB, TB, PB)

5 Apr 2013 by bEGI23

Convert filesize (bytes) according to highest possible size scale (KB, MB, GB, TB, PB).

Low latency html5 WebSocket Server to stream live and computed data to web browser grid (a flavor of SignalR)

18 Aug 2015 by Bharath K A

This is a HTML5 WebSocket service that streams live, real-time data to browser grid control. This service is capable of automatically computing math expressions on the fly (dynamically at runtime)

Find Prime Numbers in C# Using the Sieve of Eratosthenes

12 Sep 2011 by Bill Anderson

Here's an alternative. This one uses the BitArray class in C# and does not use the % operator.static List SeiveWithoutMod(int candidate){ BitArray sieveContainer = new BitArray(candidate + 1, true); int marker = 2; //start int factor = 2; //start. sieveContainer[0]...

mathematics

Find Prime Numbers in C# Using the Sieve of Eratosthenes

30 Sep 2011 by Bill Anderson

Hi,Thanks for the feedback for alternative #1 from above (and thank you, Jurgen Rohr for your suggestion! I replaced the "reset" line with:while (!sieveContainer.Get(++marker));factor = marker;Here is another algorithm that's slightly different. It's not as elegant an approach, but...

mathematics

Change Circular Slider Angle with Mouse Position in C#

10 Nov 2015 by BillWoodruff

I took a look at this Control, and its source (thanks to the JetBrains de-compiler); I'd say it's a very amateurishly coded Control; and, the author provides no read-me file, no link to source-code on GitHub or similar, no contact information.My sense is that what you want, here, is a...

mouse

mathematics

How to slice an image

14 Sep 2021 by BillWoodruff

See if this gives you some ideas: // requires: // using System.Collections.Generic; // using System.Drawing; // must be a top-level class: i.e., non-nested public static class ShapeExtensions { // rectangles returned in column-major order ...

WinForms

sprites

mathematics

C# infinity Double (and Float) vs Decimal (as well as Int64)

16 May 2013 by BobJanova

The short answer is 'because that's what the standard says'; IEEE floating point defines infinities and NaNs, whereas the integer standards don't. Decimal, despite having a floating point in the most literal sense of that term, is based on the integer standards (and obviously long is a native...

.NET4

.NET

mathematics

How do you round up the values stored from dataset

18 Jan 2012 by Boon How

Hello everyone,I am trying to round up the decimal places of the values gotten from a dataset.I have tried to use Math.round but it could not work.Currently the decimal places is 17 and I want to round it up to 7 places.Is that some command I could use to round up the values...

mathematics

How to get an equation as input?

6 Mar 2014 by BotCar

This looks promising.Alternatively, if you're willing to pay for it you can also have a look at this.

editing

mathematics

L'Hospital's rule.

1 Feb 2011 by bowww

How do I show that log^kN is o(N) (small o) for any constant k. I am so confused with the derivative of log^kN .. i got k (logN) ^ (k-1) but I don't know what to do next. Lim n→ ∞ log^kN/Nthanks in advance

Java

mathematics

algorithm

how many elements are in the set of even whole numbers between 8 and 16??

8 Apr 2010 by Brandon.T.D

:confused: X| i cant find it out haha can any one helpEdit TR: Fixed the tags. Not that I expect anyone to answer helpfully...

mathematics

Find Prime Numbers in C# Using the Sieve of Eratosthenes

3 Oct 2011 by Brian C Hart

This tip illustrates a simple C# console program that uses the Sieve of Eratosthenes algorithm to quickly find prime numbers.

mathematics

Maths Negitive powers.............................................

3 Mar 2011 by C.CoderCreator

This is what i have to doi need to evaluate this3 to the power of negative 2 whats the quickest and fastest way to do these and is there any tricks?

mathematics

What is wrong in my code, I didn't get it.

14 Oct 2012 by chaau

Replace your function to:// forward declaration:float trpse(int r,int c,float **a,float **atr);...// function definition:float trpse(int r,int c,float **a,float **atr){ int i,j; for(i=0;i { for(j=0;j { ...

mathematics

Is there any formula to find the intersection point of a line crossing a spline curve ?

7 Jan 2015 by CHill60

I think what you are looking for is "Bezier Clipping"Here is a link to a paper[^] on it but there may be better explanations via google now that you have the algorithm name :-)

mathematics

Finding target number using 6 numbers

24 Apr 2018 by CHill60

This looks like homework, which we will not do for you. It's also a very common homework task which is why a search-engine would have found you over 2 million options to look at. You might like to start with this CodeProject article Countdown Number Puzzle Solver[^]

C#6.0

mathematics

Aide :formule de calcul

22 Feb 2019 by CHill60

Try posting your question on this forum instead - Algorithms Discussion Boards[^] - Essayez de poster ceci sur cet autre forum You should also consider the thickness of the label and it's carrier paper Vous devriez également considerer l'épaisseur de l'étiquette et du papier support Bon chance

mathematics

Math Equation Parsing using Call Stacks

3 Apr 2014 by Chris Copeland

Using call stacks, rather than Regular Expression, to deconstruct mathematical formulae and calculate values.

What are the best non-programming books/topics?

24 May 2018 by Chris Guyette

What are the best non-programming books/topics (e.g on math, statistics, etc) that can help you become a better programmer? What I have tried: If you have some advices I will really appreciate that. Thanks

statistics

mathematics

Change Circular Slider Angle with Mouse Position in C#

10 Nov 2015 by ChrisCreateBoss

Ok, so I have a circular progress control in my Windows Form.The circular control has a ProgressAngle property and a StartAngle property, both can be modified.The startAngle is set to 270. The ProgressAngle must change according to the mouse position within the MouseMove event in it....

mouse

mathematics

How to store math equation in VB.NET

29 Mar 2017 by CodeMine

in sql server i have a table called questionin that following fieldsquestion number question type question1 simple e=mc square2 complex a square plus b square rootover xhere question type can be simple and complexif question type...

mathematics

MatLab

Dealing with large numbers.

9 Jun 2013 by compuknow

How can i deal with large numbers in C++. Example 26000 or numbers raised to the powers of any two large prime numbers.I am unable to process or store large numbers in C++. Is there any way to achieve that?

C++11

mathematics

Writing a code for decryption key.

11 Jun 2013 by compuknow

I have the following expression for calculating the decryption key in a Public Key Encryption System :d = N-1 mod LCM(p-1,q-1)where N = p2q.I wrote the follwing code to find d ,long long int gendecrypkey(long long int modulo,long long int p,long long int q) { long...

mathematics

cryptography

How to speed up exponentation.

27 Jun 2013 by compuknow

I am trying to perform the following operation :intgr[i]= getmod(power(*(str+i),a),b);The above code is an expression inside a 'for - loop'.where 1. getmod(x,y) = x mod y. 2. power(x,y) = x y.Here i use the exponentiation by squaring...

C++

mathematics

Find clique number in a graph

8 Jun 2010 by copperhead12

I would like to know a fast algorithm to find only the clique number[^] (without actually finding the clique) of a graph with about 100 vertices.Thank you.

C++

mathematics

algorithm

Find all the possible Rectangles(excluding squares) in a Grid

30 Apr 2010 by CPallini

CyberSamuraiii wrote:The expression is absolutely beautiful in its simplicity and it works perfectly.I bet my 20 cents it does't work as it stands. :)

.NET

mathematics

algorithm

Evaluate formula

3 Oct 2010 by CPallini

As you probably know, with a bit of manipulation, your 'formula' maybe written A x^2 + B x + C=0That is a canonical quadratic equation[^], having a straightforward solution.

mathematics

How to calculate Circle Vertical Line intersect

4 Oct 2010 by CPallini

A vertical line as equation x = Kwhere K is a const.Hence, you've to solve the original equation for y, namely:(K-a)^2 + (y-b)^2 = r^2That is, again, just a quadratic equation. :)

mathematics

Height and Distance

10 Oct 2010 by CPallini

Rounding, you lose precision (you cannot have it back again). :)

mathematics

Generating descending frequency sinewave patterns - Impossible?!

26 Aug 2011 by CPallini

In my opinion, you are using the wrong dFactor (it doesn't match the frequency decreasing rate -and the playback duration-). It should be dFactor = 1.0/m_waveHeader.nSampPerSec;

C++

mathematics

Pulse counting algorithm

24 Feb 2012 by CPallini

Cannot you simply count events, based on a known property of the waveform (for instance crossing a given level)?

Why is my simple compare function not working?

21 Mar 2012 by CPallini

How ('The Fresh Hell') a value could be at the same time greater than (or equal to) 100 and less than (or equal to) 1?All your conditions (and eventually your whole code) are going to fail.

mathematics

Please clarify my doubt on matrix multiplication

10 Oct 2012 by CPallini

You should write something similar to:// a, b are IN parameters, while c is the OUT parameterint product(float a[20][20],float b[20][20], float c[20][20]){//... }and then , in the main function: //.. float a[r1][c1]; float b[r2][c2]; float c[r2][c2]; ...

mathematics

errors

Convert 2D rectangular image to an 2D spherical image

6 Jan 2013 by CPallini

You might start reading some theory: Map projection at Wikipedia[^].

mathematics

help needed: Prints numbers in a range.

26 Mar 2013 by CPallini

This has little to do with UNIX. You need just a little knowledge of the C programming language and a bit of logic. How would you solve the problem with pencil and paper?

shell

mathematics

how to calculate VAT percentage from VAT rupees in C#?

2 Apr 2013 by CPallini

Quote:Please Help me, Where I did wrong....Here:Quote:rupees = decimal.Divide(rupees, totalAmt);Should be:rupees = decimal.Divide(rupees, totalAmt-vatAmt);

WinForms

mathematics

Dealing with large numbers.

10 Jun 2013 by CPallini

You need a library for big integers. Google[^] is your friend.[update]Have a look at the following Wikipedia pages:"IEEE floating point"[^]."Quadruple precision floating-point format"[^].There you may also find links to known implementations.[/update]

C++11

mathematics

Example code for equation of circle curve in C based language

5 Aug 2013 by CPallini

try:class Program { const int N = 20; static void Main() { char [, ] circle = new char[2*N+1, 2*N+1]; double phi, dphi = 0.5 / N; phi = 0.0; for (int y = 0; y

mathematics

Problems with iterative algorithm for PI

23 Sep 2013 by CPallini

From the wikipedia page:converges quartically to PI, giving about 100 digits in three steps and over a trillion digits after 20 stepsYou cannot obtain such a precision (100 digits) with double or decimal numbers.

.NET

mathematics

Convex Hull 2D, 3D, anyD

1 Feb 2014 by CPallini

Quote:Are there also convex hulls for any dimension?From Convex Hull Wikipedia[^]a page:"Formally, the convex hull may be defined as the intersection of all convex sets containing X or as the set of all convex combinations of points in X. With the latter definition, convex hulls may be...

mathematics

Addition without addition in C#?

6 Feb 2014 by CPallini

Yes, of course int a = 5; int b = 10; int c = a - (-b);

mathematics

Addition without addition in C#?

8 Feb 2014 by CPallini

The "Bitwise operations in C" Wikipedia's page, provides an example[^].

mathematics

How to find the given rectangle co-ordinqtes are overlapped and how to group it together as one if ?

13 May 2014 by CPallini

Finding if two rectangles overlap is not that dramatically difficult, namely if (((r0.x0 r1.x0) || ( r1.x0 r0.x0 )) && (r0.y0 r1.y0) || ( r1.y0 r0.y0 ))) { // overlap }You may use >= and