5 files changed, 5 insertions, 3 deletions
diff --git a/src/c/statisticsFunctions/center/dcentera.c b/src/c/statisticsFunctions/center/dcentera.c
index 87480386..17b95c0c 100644
--- a/src/c/statisticsFunctions/center/dcentera.c
+++ b/src/c/statisticsFunctions/center/dcentera.c
@@ -8,7 +8,7 @@
 
 void dcentera (double* inp, int row, int col, double* out)
 {
-    double sum = 0, xbar = 0, sigma = 0;
+    double sum = 0, xbar = 0;
     for(int i = 0; i < row*col; i++)		// Findinag the maen of all the elements of the matrix
         sum += inp[i];
     xbar = sum/(row*col);
diff --git a/src/c/statisticsFunctions/center/scentera.c b/src/c/statisticsFunctions/center/scentera.c
index 2b165be1..3f9c7930 100644
--- a/src/c/statisticsFunctions/center/scentera.c
+++ b/src/c/statisticsFunctions/center/scentera.c
@@ -8,7 +8,7 @@
 
 void scentera (float* inp, int row, int col, float* out)
 {
-    float sum = 0, xbar = 0, sigma = 0;
+    float sum = 0, xbar = 0;
     for(int i = 0; i < row*col; i++)		// Findinag the maen of all the elements of the matrix
         sum += inp[i];
     xbar = sum/(row*col);
diff --git a/src/c/statisticsFunctions/center/zcentera.c b/src/c/statisticsFunctions/center/zcentera.c
index 22ce70d7..8f18c996 100644
--- a/src/c/statisticsFunctions/center/zcentera.c
+++ b/src/c/statisticsFunctions/center/zcentera.c
@@ -12,7 +12,7 @@
 
 void zcentera (doubleComplex* inp, int row, int col, doubleComplex* out)
 {
-    doubleComplex sum = 0, xbar = 0, sigma = 0;
+    doubleComplex sum = 0, xbar = 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));
diff --git a/src/c/statisticsFunctions/center/zcentercola.c b/src/c/statisticsFunctions/center/zcentercola.c
index 8a838bc5..43921ac4 100644
--- a/src/c/statisticsFunctions/center/zcentercola.c
+++ b/src/c/statisticsFunctions/center/zcentercola.c
@@ -9,6 +9,7 @@
 #include "center.h"
 #include "doubleComplex.h"
 #include "sqrt.h"
+#include "matrixMultiplication.h"
 
 void zcentercola (doubleComplex* inp, int row, int col, doubleComplex* out)
 {
diff --git a/src/c/statisticsFunctions/center/zcenterrowa.c b/src/c/statisticsFunctions/center/zcenterrowa.c
index cddd3403..cd69e0c1 100644
--- a/src/c/statisticsFunctions/center/zcenterrowa.c
+++ b/src/c/statisticsFunctions/center/zcenterrowa.c
@@ -9,6 +9,7 @@
 #include "center.h"
 #include "doubleComplex.h"
 #include "sqrt.h"
+#include "matrixMultiplication.h"
 
 void zcenterrowa (doubleComplex* inp, int row, int col, doubleComplex* out)
 {