User defined Random Variables

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Tutorial Math Collection API spec Download

Below is the code for JAVA, the code for C# is almost identical.

Case 1: Dependent argument as user defined random variable

import org.mariuszgromada.math.mxparser.*;
...
Argument X = new Argument("X", "5*[Uni]+1");
Expression e = new Expression("X", X);
mXparser.consolePrintln("Res. 1: " + e.getExpressionString() + " = " + e.calculate());
mXparser.consolePrintln("Res. 2: " + e.getExpressionString() + " = " + e.calculate());
[mXparser-v.5.0.0] Res. 1: X = 3.6797836086322646
[mXparser-v.5.0.0] Res. 2: X = 2.895239465419837

Case 2: User defined function as user defined random variable – random walk example

import org.mariuszgromada.math.mxparser.*;
...
Function rWalk = new Function("rWalk(n) = sum( i, 1, n, rList(-1,1) )");
Expression e = new Expression("rWalk(20)", rWalk);
mXparser.consolePrintln("Res. 1: " + e.getExpressionString() + " = " + e.calculate());
mXparser.consolePrintln("Res. 2: " + e.getExpressionString() + " = " + e.calculate());
[mXparser-v.5.0.0] Res. 1: rWalk(20) = -2.0
[mXparser-v.5.0.0] Res. 2: rWalk(20) = -2.0
Nuget – Package Manager

Install-Package MathParser.org-mXparser -Version 5.0.7

Nuget – .NET CLI

dotnet add package MathParser.org-mXparser --version 5.0.7

Nuget – Package Reference

<PackageReference Include="MathParser.org-mXparser" Version="5.0.7"/>

Maven – Dependency

<dependency>
<groupid>
org.mariuszgromada.math</groupid>
<artifactid>
MathParser.org-mXparser</artifactid>
<version>
5.0.7</version>
</dependency>

Maven – Gradle

implementation 'org.mariuszgromada.math:MathParser.org-mXparser:5.0.7'

Maven – Gradle (Kotlin)

implementation("org.mariuszgromada.math:MathParser.org-mXparser:5.0.7")

GitHub

git clone https://github.com/mariuszgromada/MathParser.org-mXparser

OTHER DOWNLOAD OPTIONS

Download latest release – v.5.0.7 Leonis: .NET bin onlyDownload latest release – v.5.0.7 Leonis: JAVA bin onlyDownload latest release – v.5.0.7 Leonis: bin + doc

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SOURCE CODE

Source code .zipSource code .tar.gz
View on GitHubMathSpace.pl

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