411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a023
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
__NOTOC__
Install this file in your working directory.
/* ------------------------------------ */
/* Save as : vrm_sing.h */
/* ------------------------------------ */
/* ------------------------------------ */
double **r_singular_Ab_mR(
double **Ab,
int n
)
{
r_mR(Ab,n);
/* R3 = Two rows + zero row ? */
if(Ab[R_SIZE][C0]==R3) c_r1r2_mR(Ab,R1,R2);
if(Ab[R_SIZE][C0]==R4) c_r1r2_mR(Ab,R1,R3);
if(Ab[R_SIZE][C0]>R4){ c_r1r2_mR(Ab,rp_I(Ab[R_SIZE][C0]-1),
rp_I(Ab[R_SIZE][C0]-1));
c_r1r2_mR(Ab,rp_I(Ab[R_SIZE][C0]-1),
rp_I(Ab[R_SIZE][C0]-1));
}
return(Ab);
}
/* ------------------------------------ */
/* ------------------------------------ */