LIBRARY LINK 符号

MTensor_setReal


sets a single element of an MTensor of real type.

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  • Used in C/C++ code in a library function called from Mathematica.
  • Uses the same numbering scheme as Mathematica parts, i.e. the first element is 1.
  • The array is assumed to have length at least equal to the rank of .
  • A nonzero error code value will be returned if the element does not exist, if is not an MTensor of real type.

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This sets the element at position 1,1 to be 2.5:

MTensor T0;
mint lens[2];
int err;
...
lens[0] = 1;
lens[1] = 1;
err = libData->MTensor_setReal( T0, lens, 2.5);
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