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| author | Sandeep Gupta | 2017-07-05 12:41:25 +0530 |
|---|---|---|
| committer | Sandeep Gupta | 2017-07-05 12:41:25 +0530 |
| commit | 06337f0dc8114c70fd0c7767083971a0d091750a (patch) | |
| tree | 446481550ba88e6e0f7df2db7fdc66d2016ee2f1 /src/c/matrixOperations/norm | |
| parent | c2e305c3b82ed944d57402dd515b3d5839a31980 (diff) | |
| download | Scilab2C_fossee_old-06337f0dc8114c70fd0c7767083971a0d091750a.tar.gz Scilab2C_fossee_old-06337f0dc8114c70fd0c7767083971a0d091750a.tar.bz2 Scilab2C_fossee_old-06337f0dc8114c70fd0c7767083971a0d091750a.zip | |
LinearAlgebra and MatrixOperation Update
Diffstat (limited to 'src/c/matrixOperations/norm')
| -rw-r--r-- | src/c/matrixOperations/norm/dnorma.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/c/matrixOperations/norm/dnorma.c b/src/c/matrixOperations/norm/dnorma.c index c912f85..2bb9b8b 100644 --- a/src/c/matrixOperations/norm/dnorma.c +++ b/src/c/matrixOperations/norm/dnorma.c @@ -6,6 +6,8 @@ are also available at http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt Author: Siddhesh Wani + + Edited by: Sandeep Gupta Organization: FOSSEE, IIT Bombay Email: toolbox@scilab.in */ @@ -14,13 +16,17 @@ /*Acceptable norms are: 1, 2, 'inf', 'fro', */ #include "norm.h" +#include "svd.h" #include <math.h> +#include <stdio.h> +#include<stdlib.h> double dnorma (double *in, int row, int col, int norm) { double res = 0, sum = 0; int col_count, row_count; - + double *S; + S = (double *)malloc(min(row,col)*sizeof(double)); switch (norm) { case 1: /*largest column sum*/ @@ -37,6 +43,8 @@ double dnorma (double *in, int row, int col, int norm) break; case 2: /*Largest singular value of the matrix*/ + dsvda(0,in,row,col,0,1,S,NULL,NULL); + res = S[0]; break; case 3: /*inf: largest row sum*/ @@ -69,4 +77,4 @@ double dnorma (double *in, int row, int col, int norm) return res; -}
\ No newline at end of file +} |