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author | Abhinav Dronamraju | 2017-09-29 22:00:40 +0530 |
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committer | Abhinav Dronamraju | 2017-09-29 22:00:40 +0530 |
commit | 9bc7ad78e8d7d7acc4b9387aa592542832e80b31 (patch) | |
tree | 7fce060665a91de5e5adb12d02003351c3d1fdfc /src/c/statisticsFunctions/wcenter/zwcentera.c | |
parent | 33755eb085a3ca8154cf83773b23fbb8aac4ba3e (diff) | |
parent | ac0045f12ad3d0938758e9742f4107a334e1afaa (diff) | |
download | scilab2c-9bc7ad78e8d7d7acc4b9387aa592542832e80b31.tar.gz scilab2c-9bc7ad78e8d7d7acc4b9387aa592542832e80b31.tar.bz2 scilab2c-9bc7ad78e8d7d7acc4b9387aa592542832e80b31.zip |
NEW FEATURES AND NEW FUNCTIONS
Diffstat (limited to 'src/c/statisticsFunctions/wcenter/zwcentera.c')
-rw-r--r-- | src/c/statisticsFunctions/wcenter/zwcentera.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/c/statisticsFunctions/wcenter/zwcentera.c b/src/c/statisticsFunctions/wcenter/zwcentera.c new file mode 100644 index 00000000..8571dd62 --- /dev/null +++ b/src/c/statisticsFunctions/wcenter/zwcentera.c @@ -0,0 +1,38 @@ +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <ones.h> +#include "addition.h" +#include "subtraction.h" +#include "multiplication.h" +#include "division.h" +#include "wcenter.h" +#include "doubleComplex.h" +#include "sqrt.h" + +void zwcentera (doubleComplex* inp, int row, int col, doubleComplex* out) +{ + doubleComplex sum = 0, xbar = 0, sigma = 0; + for(int i = 0; i < row*col; i++) // Findinag the maen of all the elements of the matrix + sum = zadds(sum,inp[i]); + xbar = zrdivs(sum,(row*col)); + + doubleComplex one[row*col]; // Creating a matrix of ones + zonesa(one,row,col); + + doubleComplex prod[row*col]; + for(int i = 0; i < row*col; i++) // Applying the formula (x(i,j)-xbar)/sigma + prod[i] = zmuls(one[i],xbar); + + for(int i = 0; i < row*col; i++) + out[i] = zdiffs(inp[i], prod[i]); + + sum = DoubleComplex(0,0); + for(int i = 0; i < row*col; i++) + sum = zadds(sum, zmuls(out[i],out[i])); + + sigma = zsqrts(zrdivs(sum,(row*col-1))); + + for(int i = 0; i < row*col; i++) + out[i] = zrdivs(out[i],sigma); +} |