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  • Matrix existence
  • Managing errors
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Stored procedures
Reads the value of a matrix element.
Reminder: A matrix element is identified by its row and by its column.
Versions 25 and later
WEBDEV - Browser code This function is now available in browser code.
New in version 25
WEBDEV - Browser code This function is now available in browser code.
WEBDEV - Browser code This function is now available in browser code.
// Read the element (row 3, column 5)
ResRead = MatRead("MyMatrix", 3, 5)
Syntax
<Result> = MatRead(<Matrix> , <Element row> , <Element column>)
<Result>: Real
Value of element read.
<Matrix>: Character string
Name of the matrix to be read, defined with MatCreate.
<Element row>: Integer
Number of the row for the element to read.
<Element column>: Integer
Number of the column for the element to read.
Remarks

Matrix existence

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

Managing errors

Caution: MatRead returns no error code.
To find out whether errors have been generated when reading an element, use MatError. To get the details of the error, use ErrorInfo with the errMessage constant.
Business / UI classification: Neutral code
Component: wd270mat.dll
Minimum version required
  • Version 9
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