MATLAB Application Program Interface Reference | Help Desk |
mxGetJc
Get thejc
array
integer*4 function mxGetJc(pm) integer*4 pmpm A pointer to the first element in the
jc
array, if successful; otherwise, returns 0. The most likely cause of failure is specifying a pointer that points to a full (nonsparse) mxArray
.
Use mxGetJc
to obtain the starting address of the jc
array. The jc
array is an integer array having n+1
elements where n
is the number of columns in the sparse mxArray
. The values in the jc
array indirectly indicate columns containing nonzero elements. For a detailed explanation of the jc
array, see mxSetJc
.
mxGetIr
, mxSetIr
, mxSetJc