[Scilab-users] a linear equation

Stéphane Mottelet stephane.mottelet at utc.fr
Sun Dec 2 17:20:44 CET 2018


Hello

Do you just want one of the solutions, e.g. of minimum norm, or do you want more precision on the nullspace ?

S.

> Le 2 déc. 2018 à 09:43, fujimoto2005 <fujimoto2005 at gmail.com> a écrit :
> 
> I am trying to solve linear equations with 30 variables. Since the
> determinant of the coefficient matrix is 0, I can tell that some row vectors
> are linearly dependent on other row vectors. I want to solve the problem by
> deleting the linearly dependent rows while simultaneously changing the
> variables to exogenous variables.
> But I can't find which row vector expresses redundant constraints.  
> Is there any way to find out which row is linearly dependent?
> 
> Best regards.
> 
> 
> 
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