LaTex Test

LaTex Test

\[y = \left \lbrace \begin{array} x^2 & x\le n \cr x+m & x>n \end{array} \right. \]

\[\left(\begin{array}{c|c} 1 & 2 \\\\ \hline 3 & 4 \end{array}\right) \]

\[x = \begin{cases} a & \text {if } b \cr c & \text {if } d \end{cases} \]

\[ f(x)=\left \\{ \begin{aligned} x & = & \cos(t) \\\\ y & = & \sin(t) \\\\ z & = & \frac xy \end{aligned} \right. \]

\[2/3 \]

\[a/(b+c) \]

\[\frac{n+1}{n^2} \]

\[\sqrt{a+b} \]

\[\sqrt[3]{n+m} \]

\[\sum{a} \]

\[\sum_{i=1}^{n}{i+k^2} \]

\[\prod{a} \]

\[\prod_{i=1}^{n}{i+k^2} \]

\[\lim{(a+b)} \]

\[\lim_{x->0}{f(x)} \]

\[\int{正体} \]

\[\int_{底标}^{顶标}{正体} \]

\[\int_{i=0}^{5}{a_i} \]

\[\left(\sum_{k=\frac{1}{2}}^{N^2}\frac{1}{k}\right) \]

\[\begin{matrix}1 & 2\\\\3 &4\end{matrix} \]

\[\begin{pmatrix}1 & 2\\\\3 &4\end{pmatrix} \]

\[\begin{bmatrix}1 & 2\\\\3 &4\end{bmatrix} \]

\[\begin{Bmatrix}1 & 2\\\\3 &4\end{Bmatrix} \]

\[\begin{vmatrix}1 & 2\\\\3 &4\end{vmatrix} \]

\[\begin{Vmatrix}1 & 2\\\\3 &4\end{Vmatrix} \]

\[\left(\begin{array}{c|c} 1 & 2 \\\\ \hline 3 & 4 \end{array}\right) \]

\[\mathbf{X} = \left( \begin{array}{ccc} x_{11} & x_{12} & \ldots \\\\ x_{21} & x_{22} & \ldots \\\\ \vdots & \vdots & \ddots \end{array} \right) \]

\[y = \left\\{ \begin{array}{ll} a & \textrm{if $d>c$}\\\\ b+x & \textrm{in the morning}\\\\ l & \textrm{all day long} \end{array} \right. \]

\[ɛ \varepsilon \]

\[ϕ \varphi \]

\[α \alpha \]

\[β \beta \]

\[γ \gamma \]

\[δ \delta \]

\[ε \epsilon \]

\[ζ \zeta \]

\[η \eta \]

\[θ \theta \]

\[λ \lambda \]

\[μ \mu \]

\[ξ \xi \]

\[π \pi \]

\[ρ \rho \]

\[σ \sigma \]

\[τ \tau \]

\[ι \iota \]

\[κ \kappa \]

\[ν \nu \]

\[ο \omicron \]

\[ς \sigma \]

\[ς \varsigma \]

\[ϑ \vartheta \]

\[υ \upsilon \]

\[φ \phi \]

\[χ \chi \]

\[ψ \psi \]

\[ω \omega \]

\[ϖ \varpi \]

\[ϱ \varrho \]

\[任意的∀：\forall　　 \]

\[无穷大∞：\infty　　 \]

\[空集∅：\emptyset　　 \]

\[存在∃：\exists　　 \]

\[梯度∇：\nabla　　 \]

\[垂直⊥：\bot　　 \]

\[角∠：\angle　　 \]

\[小于等于≤：\le　　 \]

\[大于等于≥：\ge　　 \]

\[恒等于≡：\equiv　　 \]

\[因为∵： \because \]

\[所以∴：\therefore \]

\[乘号×：\times　 \]

\[向量点击符号⋅：n\cdot m \]

\[角度的显示30∘：30^\\circ 或 30∘：30^@ \]

两个quad空格 a \qquad b \(a \qquad b\) 两个m的宽度
quad空格 a \quad b \(a \quad b\) 一个m的宽度
大空格 a\ b \(a\ b\) 1/3m宽度
中等空格 a\;b \(a\;b\) 2/7m宽度
小空格 a\,b \(a\,b\) 1/6m宽度
没有空格 ab \(ab\,\)
紧贴 a\!b \(a\!b\) 缩进1/6m宽度

\[y= \left \\{ \begin{array}{} x^2 & x<=n \\\\ x+m & x>n \\\\ \end{array} \right. \]

\[y = \left\\{ \begin{array}{ll} a & \textrm{if $d>c$}\\\\ b+x & \textrm{in the morning}\\\\ l & \textrm{all day long} \end{array} \right. \]