mlDeleteVariable (Function)

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Functions for accessing MATLAB

mlDeleteVariable

Presentation

Example

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mlDeleteVariable (Function)

In french: mlSupprimeVariable

Deletes a variable from the MATLAB session.

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 get the details of the error, use ErrorInfo with the errMessage constant.

<Session identifier>: Integer

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

<Variable name>: Character string

Name of variable to delete.

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