MatDelete (Function)

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Existence of the matrix to delete

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MatDelete (Function)

In french: MatSupprime

Deletes an existing matrix. The deletion of an unused (or null) matrix from an application is used to free the memory footprint occupied by this matrix.

Remark: All the matrices used in an application are automatically deleted when closing the application.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

See additional examples

// Delete a matrix
MatDelete("MyMatrix")

Syntax

MatDelete(<Matrix>)

<Matrix>: Character string

Name of the matrix to delete, defined by MatCreate.

Remarks

Existence of the matrix to delete

The matrix existence is not checked. To check the matrix existence, use MatExist. If the matrix does not exist, MatDelete has no effect.

Related Examples:

Unit examples (WINDEV): The Matrix functions

[ + ] Using matrices with the WLanguage functions.
This example, powered by WINDEV, is used to perform calculations on matrices: addition, multiplication, transposition, inversion...

Unit examples (WINDEV Mobile): The Matrix functions

[ + ] Using matrices with the WLanguage functions: addition, multiplication, transposition, inversion...

Business / UI classification: Neutral code

Component: wd270mat.dll