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GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
Dr.Walt Fair, PE8-Jul-10 8:51
professionalDr.Walt Fair, PE8-Jul-10 8:51 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
CPallini8-Jul-10 9:22
mveCPallini8-Jul-10 9:22 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
Dr.Walt Fair, PE8-Jul-10 18:09
professionalDr.Walt Fair, PE8-Jul-10 18:09 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
CPallini8-Jul-10 21:22
mveCPallini8-Jul-10 21:22 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
Tim Craig8-Jul-10 21:38
Tim Craig8-Jul-10 21:38 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
CPallini8-Jul-10 22:19
mveCPallini8-Jul-10 22:19 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
Dr.Walt Fair, PE9-Jul-10 4:06
professionalDr.Walt Fair, PE9-Jul-10 4:06 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
CPallini9-Jul-10 4:22
mveCPallini9-Jul-10 4:22 
Yes, you may indeed solve another problem, namely:


Given



f(x,y)=(x+y-2)^2 + (x-y)^2 + (x+3*y-4)^2


find the value of the pair {x,y} which minimize f(x,y).


However, that has not to do with the original linear algebric system.
The algebric system has not solutions according to the Rouché-Capelli theorem (and common sense).

Anyway, might be the OP really needed the solution to the least squares problem (i.e. I misunderstood his requirements), who knows?

Smile | :)
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GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations Pin
Emilio Garavaglia10-Jul-10 4:29
Emilio Garavaglia10-Jul-10 4:29 
GeneralRe: subroutine to solve linear algebraic equations - fewer unknowns than equations [modified] Pin
CPallini10-Jul-10 5:05
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Emilio Garavaglia10-Jul-10 4:38
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