# Revision history [back]

### From Matlab to C

i have to translate this line from Matlab to C

for i_orient=1:chrOrient

stack = cat(3,resp{i_orient,:});
inComp=reshape(stack,r*c,chrScales);
Tsquared=whitening_sqr_meanDistance(inComp);


what I did is this, but I have to translate the cat function and I don t know why. resp is a MAt object in C

  for(int i_orient=1;i_orient<=achrOrient;i_orient++){