You are here: Symbol Reference > MtxExpr Namespace > Classes > Matrix Record > public > StdDev Method > Matrix.StdDev Method ()
MtxVec VCL
ContentsIndex
PreviousUpNext
Matrix.StdDev Method ()
Matrix Record | Matrix Members | MtxExpr Namespace | StdDev Method | Example | See Also
Collapse All

Standard deviation.

Pascal
function StdDev: double; overload;
Description

Calculate the standard deviation of all calling object elements. The result is a real value. An exception is raised if calling Matrix Complex property is true.

See Also
Example
var a: Matrix; c: double; aMean: double; begin a.SetIt(2,2,False,[1,2,3,4]); aMean := a.Mean; c := a.StdDev(aMean); //if both Mean and StdDev are required this is faster // c := a.StdDev; //this is an alternative. end;
Examples on GitHub
Group
Links
Copyright (c) 1999-2025 by Dew Research. All rights reserved.
What do you think about this topic? Send feedback!