mlDeleteVariable (Function)

ONLINE HELP
WINDEV, WEBDEV AND WINDEV MOBILE

Version:

Home | Sign in | English

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

mlDeleteVariable (Function)

In french: mlSupprimeVariable

Deletes a variable from the MATLAB session.

Versions 24 and later

This function is now available for WEBDEV sites in Windows.

New in version 24

This function is now available for WEBDEV sites in Windows.

Example

aParameter is array of 1 real = [4]
aResult is array of 1 by 1 real = [[123]]

IF NOT mlSetVariable(gnSessionID, "i", aParameter) THEN
Error("Failure writing the variable")
RETURN
END

sCodeToRun is string = "myRoot = sqrt(i)"
EDT_Result = mlExecute(gnSessionID, sCodeToRun)

aResult = mlGetVariable(gnSessionID, "myRoot")
IF ErrorOccurred THEN
Trace("Error: " + ErrorInfo())
END

Trace("Root = " + aResult[1,1])

Trace("List of variables before deletion: " + mlListVariable(gnSessionID))

mlDeleteVariable(gnSessionID, "i")
mlDeleteVariable(gnSessionID, "myRoot")

Trace("List of variables after deletion: " + mlListVariable(gnSessionID))

Syntax

<Result> = mlDeleteVariable(<Session identifier> , <Variable name>)

<Result>: Boolean

True if the variable was deleted.
False otherwise. To find out the error details, use ErrorInfo associated with the errMessage constant.

<Session identifier>: Integer

Identifier of MATLAB session. This identifier is returned by mlInitialize.

<Variable name>: Character string (with quotes)

Name of variable to delete.

Component : wd260com.dll