LateX

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LateX is a typesetting system and also a markup language. It is especially excellent for generating math formulas. This post includes some math formula syntaxes in LateX.

Superscript $x^1$

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x^1

Subscript $x_1$

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x_1

Hat $\widehat{y}$

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\widehat{y}

Bar $\bar{y}$

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\bar{y}

Ensemble ${delta}^1$

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{delta}^1

Fraction $\frac{1}{n}$

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\frac{1}{n}

Aproximately equal $\approx$

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\approx

Time $\times$

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\times

Dot product $\cdot$

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\cdot

Belong to $\in$

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\in

Greek alphabet $\sigma$ $\alpha$

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\sigma \alpha

Sum $\sum\limits_{i=1}^{n}$

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\sum\limits_{i=1}^{n}

Multiplication $\prod\limits_{j=1}^{n}$

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\prod\limits_{j=1}^{n}

Derivation $\partial{x}$

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\partial{x}

Integral $\int_{x}^{+\infty}$

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\int_{x}^{+\infty}

Piecewise function $\begin{cases} 1,&y=0 \\ 0,&y\not ={0} \end{cases}$

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\begin{cases}
    1,&y=0 \\
    0,&y\not ={0}
\end{cases}

& means align.

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