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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: Unary function

$$\sin(2)-\cos(3)$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("sin(2)-cos(3)");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: sin(2)-cos(3) = 1.8992899234261271

Case 2: Binary function #1

$$\min(3,4) + \max(-2,-1)$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("min(3,4) + max(-2,-1)");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: min(3,4) + max(-2,-1) = 2.0

Case 3: Binary function #2

$$10\choose 5$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("C(10,5)");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: C(10,5) = 252.0

Case 4: Function with 3 arguments #1 – condition checking

$$\text{if}(a, b, c)=\begin{cases}\quad b&\text{if}\quad a\text{is true}\\\quad c&\text{otherwise}\end{cases}$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("if(2<3, 1, 0)");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: if(2<3, 1, 0) = 1.0

Case 5: Function with 3 arguments #2

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("if(3<2, 1, if(1=1, 5, 0) )");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: if(3<2, 1, if(1=1, 5, 0) ) = 5.0

Case 6: Function with n-arguments

$$f(x_1,x_2.\ldots,x_n)$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("gcd(4,2,8,20)");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: gcd(4,2,8,20) = 2.0

Case 7: Function with even number of arguments

$$\text{iff}(a_1, b_1;a_2, b_2;\ldots,a_n, b_n)=\begin{cases}b_1&\text{if}\quad a_1\text{is true}\\b_2&\text{if}\quad a_2\text{is true}\\\ldots&\ldots\\b_n&\text{if}\quad a_n\text{is true}\end{cases}$$

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("iff( 1>2, 1, 3<2, 2, 5>3, 3, 7 < 3, 4 )");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: iff( 1>2, 1, 3<2, 2, 5>3, 3, 7 < 3, 4 ) = 3.0

Case 8: Equivalent to case 7 – more convenient form of marking parameters

import org.mariuszgromada.math.mxparser.*;
...
Expression e = new Expression("iff( 1>2, 1; 3<2, 2; 5>3, 3; 7 < 3, 4 )");
mXparser.consolePrintln("Res: " + e.getExpressionString() + " = " + e.calculate());

[mXparser-v.5.0.0] Res: iff( 1>2, 1; 3<2, 2; 5>3, 3; 7 < 3, 4 ) = 3.0

Nuget – Package Manager

Install-Package MathParser.org-mXparser -Version 5.0.6

Nuget – .NET CLI

dotnet add package MathParser.org-mXparser --version 5.0.6

Nuget – Package Reference

<PackageReference Include="MathParser.org-mXparser" Version="5.0.6"/>

Maven – Dependency

<dependency>
<groupid>org.mariuszgromada.math</groupid>
<artifactid>MathParser.org-mXparser</artifactid>
<version>5.0.6</version>
</dependency>

Maven – Gradle

implementation 'org.mariuszgromada.math:MathParser.org-mXparser:5.0.6'

Maven – Gradle (Kotlin)

implementation("org.mariuszgromada.math:MathParser.org-mXparser:5.0.6")

GitHub

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

OTHER DOWNLOAD OPTIONS

Download latest release – v.5.0.6 Leonis: .NET bin onlyDownload latest release – v.5.0.6 Leonis: JAVA bin onlyDownload latest release – v.5.0.6 Leonis: bin + doc

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SOURCE CODE

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

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