Diagonal matrices and diagonals of a matrix. The variable v can be a vector or a matrix.

C Prototype

mxArray *mlfDiag(mxArray *v, mxArray *k);

C Syntax

#include "matlab.h"

mxArray *v, *k, *X;

mlfAssign(&X, mlfDiag(v,k));
mlfAssign(&X, mlfDiag(v,NULL));
mlfAssign(&v, mlfDiag(X,k));
mlfAssign(&v, mlfDiag(X,NULL));

MATLAB Syntax

X = diag(v,k)
X = diag(v)
v = diag(X,k)
v = diag(X)

See Also

MATLAB diag     Calling Conventions