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Help / WLanguage / WLanguage functions / Standard functions / Numeric values functions / Matrix functions
  • Existence of matrix to compress
  • Error management
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Stored procedures
Compresses the memory footprint occupied by a matrix.
Note Compression is necessary if you are handling a large matrix on which many calculations have been performed. If the matrix contains several null columns and/or rows, compression can significantly reduce the matrix memory size.
// Compression d'une matrice
MatStack("MaMatrice")
Syntax
MatStack(<Matrix>)
<Matrix>: Character string
Name of matrix to compress, defined by MatCreate.
Remarks

Existence of matrix to compress

The matrix existence is not checked. To check the matrix existence, use MatExist.

Error management

Caution: The MatStack function does not return a result.. To find out whether errors have been generated by the compression, use MatError on this matrix. To get more details on the error, use ErrorInfo with the errMessage constant.
Business / UI classification: Neutral code
Component: wd300mat.dll
Minimum version required
  • Version 9
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Last update: 03/27/2025

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