Differences and approximate derivatives

C Prototype

mxArray *mlfDiff(mxArray *X, mxArray *n, mxArray *dim);

C Syntax

#include "matlab.h"

mxArray *X;            /* Required input argument(s) */
mxArray *n, *dim;      /* Optional input argument(s) */
mxArray *Y = NULL;     /* Return value */

mlfAssign(&Y, mlfDiff(X,NULL,NULL));
mlfAssign(&Y, mlfDiff(X,n,NULL));
mlfAssign(&Y, mlfDiff(X,n,dim));

MATLAB Syntax

Y = diff(X)
Y = diff(X,n)
Y = diff(X,n,dim)

See Also

MATLAB diff     Calling Conventions