diff options
Diffstat (limited to '2.3-1/src/c/statisticsFunctions/wcenter/dwcenterrowa.c')
-rw-r--r-- | 2.3-1/src/c/statisticsFunctions/wcenter/dwcenterrowa.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/2.3-1/src/c/statisticsFunctions/wcenter/dwcenterrowa.c b/2.3-1/src/c/statisticsFunctions/wcenter/dwcenterrowa.c new file mode 100644 index 00000000..72e37931 --- /dev/null +++ b/2.3-1/src/c/statisticsFunctions/wcenter/dwcenterrowa.c @@ -0,0 +1,68 @@ +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <ones.h> +#include "subtraction.h" +#include "matrixMultiplication.h" +#include "wcenter.h" + +void dwcenterrowa (double* inp, int row, int col, double* out) +{ + + double sum[col], xbar[col]; + for(int i = 0; i < col; i++) + sum[i] = 0; + + + for(int i = 0; i < col; i++) + { + for(int j = 0; j < row; j++) + { + sum[i] += inp[j + i*row]; + } + } + + + + for(int i = 0; i < col; i++) + xbar[i] = sum[i]/row; + + double one[row]; // Creating a matrix of ones + donesa(one,row,1); + + double prod[row*col]; + dmulma(one, row, 1, xbar, 1, col, prod); + + + + for(int i = 0; i< row*col; i++) + out[i] = inp[i] - prod[i]; + + + for(int i = 0; i < col; i++) + sum[i] = 0; + + for(int i = 0; i < col; i++) + { + for(int j = 0; j < row; j++) + { + sum[i] += out[j + i*row] * out[j + i*row]; + } + } + + + + double sigma[col]; + for(int i = 0; i < col; i++) + sigma[i] = sqrt(sum[i]/(row-1)); + + + for(int i = 0; i < row*col; i++) + prod[i] = 0; + + dmulma(one, row, 1, sigma, 1, col, prod); + + for(int i = 0; i < row*col; i++) + out[i] = out[i] / prod[i]; + +} |