mathjava

mathjs java edition

License	The Apache License, Version 2.0
GroupId	com.zx5435
ArtifactId	mathjava
Last Version	1.0
Release Date	Mar 16, 2021
Type	pom.sha512
Description	mathjava mathjs java edition
Project URL	https://github.com/zx5435/mathjava
Source Code Management	https://github.com/zx5435/mathjava

Download mathjava

Filename	Size
mathjava-1.0.pom
mathjava-1.0-sources.jar	6 KB
mathjava-1.0-javadoc.jar	140 KB

Dependencies

runtime (2)

Group / Artifact	Type	Version
com.google.code.gson : gson	jar	2.8.6
org.junit.jupiter : junit-jupiter	jar	5.4.2

Project Modules

There are no modules declared in this project.

mathjava

mathjs.org json parse via java

Install

<dependency>
  <groupId>com.zx5435</groupId>
  <artifactId>mathjava</artifactId>
  <version>1.0</version>
</dependency>

implementation 'com.zx5435:mathjava:1.0'

How to use it

String a = "{'value': 3, 'mathjs': 'ConstantNode'}";
Double x = Mathjs.compileString(a).evaluate();
// output 3.0

String a = "{\"fn\": \"multiply\", \"op\": \"*\", \"args\": [{\"value\": 2, \"mathjs\": \"ConstantNode\"}, {\"name\": \"x\", \"mathjs\": \"SymbolNode\"}], \"mathjs\": \"OperatorNode\", \"implicit\": false}";
Double x = Mathjs.compileString(a).evaluate(new HashMap<String, Double>() {{
    put("x", 123.0);
}});
// output 2 * x = 246.0

Mathjs supported nodes

• ConstantNode
• FunctionNode sin cos
• OperatorNode + - * /
• ParenthesisNode ()
• SymbolNode x

Versions

Version
1.0 Mar 16, 2021