How do I perform array assignment using the MATLAB C Math Library?

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MathWorks Support Team 2009-6-27

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I would like to know the C Math Library equivalent operator for the following MATLAB array element assignment:

A(2,3) = 19;

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Answer 1

MathWorks Support Team 2009-6-27

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The MATLAB C Math Library includes a utility function called mlfIndexAssign that enables operations similar to MATLAB's array element assignment.

The following code illustrates the use of this function:

/* In MATLAB: A(2,3) = 19 */
mxArray *A = NULL;
mlfIndexAssign(&A,             /* Destination array   */
                 "(?,?)",        /* Index format string */
                 mlfScalar(2),   /* Subscript value     */
                 mlfScalar(3),   /* Subscript value     */
                    mlfScalar(19)); /* Source array */