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Pure Python library for LaTeX to MathML conversion

Project description

latex2mathml

Pure Python library for LaTeX to MathML conversion

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Supported versions Python Versions Wheel Wheel
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Installation

pip install latex2mathml

Usage

Python

import latex2mathml.converter

latex_input = "<your_latex_string>"
mathml_output = latex2mathml.converter.convert(latex_input)

Command-line

% latex2mathml -h
usage: l2m [-h] [-V] [-t TEXT | -f FILE]

Pure Python library for LaTeX to MathML conversion

optional arguments:
  -h, --help            show this help message and exit
  -V, --version         Show version

required arguments:
  -t TEXT, --text TEXT  Text
  -f FILE, --file FILE  File

Examples

Identifiers, Numbers and Operators

LaTeX Input MathML Output
x
<math>
    <mrow>
        <mi>x</mi>
    </mrow>
</math>
        
xyz
<math>
    <mrow>
        <mi>x</mi>
        <mi>y</mi>
        <mi>z</mi>
    </mrow>
</math>
        
3
     
<math>
    <mrow>
        <mn>3</mn>
    </mrow>
</math>
        
444
     
<math>
    <mrow>
        <mn>444</mn>
    </mrow>
</math>
        
12.34
     
<math>
    <mrow>
        <mn>12.34</mn>
    </mrow>
</math>
        
12x
     
<math>
    <mrow>
        <mn>12</mn>
        <mi>x</mi>
    </mrow>
</math>
        
3-2
     
<math>
    <mrow>
        <mn>3</mn>
        <mo>−</mo>
        <mn>2</mn>
    </mrow>
</math>
        

Subscripts and Superscripts

LaTeX Input MathML Output
a_b
<math>
    <mrow>
        <msub>
            <mi>a</mi>
            <mi>b</mi>
        </msub>
    </mrow>
</math>
        
a^b
<math>
    <mrow>
        <msup>
            <mi>a</mi>
            <mi>b</mi>
        </msup>
    </mrow>
</math>
        
a_b^c
<math>
    <mrow>
        <msubsup>
            <mi>a</mi>
            <mi>b</mi>
            <mi>c</mi>
        </msubsup>
    </mrow>
</math>
        

Fractions

LaTeX Input MathML Output
\frac{1}{2}
      
<math>
    <mrow>
        <mfrac>
            <mrow>
                <mn>1</mn>
            </mrow>
            <mrow>
                <mn>2</mn>
            </mrow>
        </mfrac>
    </mrow>
</math>
        

Roots

LaTeX Input MathML Output
\sqrt{2}
      
<math>
    <mrow>
        <msqrt>
            <mrow>
                <mn>2</mn>
            </mrow>
        </msqrt>
    </mrow>
</math>
        
\sqrt[3]{2}
 
<math>
    <mrow>
        <mroot>
            <mrow>
                <mn>2</mn>
            </mrow>
            <mrow>
                <mn>3</mn>
            </mrow>
        </mroot>
    </mrow>
</math>
        

Matrices

LaTeX Input MathML Output
\begin{matrix}a & b \\ c & d \end{matrix}
<math>
    <mrow>
        <mtable>
            <mtr>
                <mtd>
                    <mi>a</mi>
                </mtd>
                <mtd>
                    <mi>b</mi>
                </mtd>
            </mtr>
            <mtr>
                <mtd>
                    <mi>c</mi>
                </mtd>
                <mtd>
                    <mi>d</mi>
                </mtd>
            </mtr>
        </mtable>
    </mrow>
</math>
        
\begin{matrix*}[r]a & b \\ c & d \end{matrix*}
<math>
    <mrow>
        <mtable>
            <mtr>
                <mtd columnalign='right'>
                    <mi>a</mi>
                </mtd>
                <mtd columnalign='right'>
                    <mi>b</mi>
                </mtd>
            </mtr>
            <mtr>
                <mtd columnalign='right'>
                    <mi>c</mi>
                </mtd>
                <mtd columnalign='right'>
                    <mi>d</mi>
                </mtd>
            </mtr>
        </mtable>
    </mrow>
</math>
        
A_{m,n} = 
 \begin{bmatrix}
  a_{1,1} & a_{1,2} & \cdots & a_{1,n} \\
  a_{2,1} & a_{2,2} & \cdots & a_{2,n} \\
  \vdots  & \vdots  & \ddots & \vdots  \\
  a_{m,1} & a_{m,2} & \cdots & a_{m,n} 
 \end{bmatrix}
        
<math>
    <mrow>
        <msub>
            <mi>A</mi>
            <mrow>
                <mi>m</mi>
                <mi>,</mi>
                <mi>n</mi>
            </mrow>
        </msub>
        <mo>=</mo>
        <mo>[</mo>
        <mtable>
            <mtr>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>1</mn>
                            <mi>,</mi>
                            <mn>1</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>1</mn>
                            <mi>,</mi>
                            <mn>2</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <mo>⋯</mo>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>1</mn>
                            <mi>,</mi>
                            <mi>n</mi>
                        </mrow>
                    </msub>
                </mtd>
            </mtr>
            <mtr>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>2</mn>
                            <mi>,</mi>
                            <mn>1</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>2</mn>
                            <mi>,</mi>
                            <mn>2</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <mo>⋯</mo>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mn>2</mn>
                            <mi>,</mi>
                            <mi>n</mi>
                        </mrow>
                    </msub>
                </mtd>
            </mtr>
            <mtr>
                <mtd>
                    <mo>⋮</mo>
                </mtd>
                <mtd>
                    <mo>⋮</mo>
                </mtd>
                <mtd>
                    <mo>⋱</mo>
                </mtd>
                <mtd>
                    <mo>⋮</mo>
                </mtd>
            </mtr>
            <mtr>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mi>m</mi>
                            <mi>,</mi>
                            <mn>1</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mi>m</mi>
                            <mi>,</mi>
                            <mn>2</mn>
                        </mrow>
                    </msub>
                </mtd>
                <mtd>
                    <mo>⋯</mo>
                </mtd>
                <mtd>
                    <msub>
                        <mi>a</mi>
                        <mrow>
                            <mi>m</mi>
                            <mi>,</mi>
                            <mi>n</mi>
                        </mrow>
                    </msub>
                </mtd>
            </mtr>
        </mtable>
        <mo>]</mo>
    </mrow>
</math>
        

References

LaTeX

MathML

Author

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Files for latex2mathml, version 2.14.0
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