比较常用的数学公式语法
符号 | 语法 |
---|---|
<<< | $\lt$ |
>>> | $\gt$ |
a3\sqrt[3]{a}3a | $\sqrt[3]{a}$ |
×\times× | $\times$ |
÷\div÷ | $\div$ |
±\pm± | $\pm$ |
∓\mp∓ | $\mp$ |
≠\ne= | $\ne$ |
∞\infty∞ | $\infty$ |
≤\le≤ | $\le$ |
≥\ge≥ | $\ge$ |
⊥\perp⊥ | $\perp$ |
α\alphaα | $\alpha$ |
θ\thetaθ | $\theta$ |
γ\gammaγ | $\gamma$ |
ϵ\epsilonϵ | $\epsilon$ |
ρ\rhoρ | $\rho$ |
ab\frac{a}{b}ba | $\frac{a}{b}$ |
sin\sinsin | $\sin$ |
cos\coscos | $\cos$ |
tan\tantan | $\tan$ |
⇒\Rightarrow⇒ | $\Rightarrow$ |
⇐\Leftarrow⇐ | $Leftarrow$ |
x∈yx \in yx∈y | $x \in y$ |
x∉yx \notin yx∈/y | $x \notin y$ |
x∪bx \cup bx∪b | $x \cup b$ |
x∩bx \cap bx∩b | $x \cap b$ |
limx→11x\lim\limits_{x\rightarrow1}\frac{1}{x}x→1limx1 | $\lim\limits_{x\rightarrow1}\frac{1}{x}$ |
lim(x,y)→(1,1)1xy\lim\limits_{(x,y)\rightarrow(1,1)}\frac{1}{xy}(x,y)→(1,1)limxy1 | $\lim\limits_{(x,y)\rightarrow(1,1)}\frac{1}{xy}$ |
limx→1limy→11xy\lim\limits_{x\rightarrow1}\lim\limits_{y\rightarrow1}\frac{1}{xy}x→1limy→1limxy1 | $\lim\limits_{x\rightarrow1}\lim\limits_{y\rightarrow1}\frac{1}{xy}$ |
行列式:
∣a1a2a3a4a5a6a7a8a9∣\left|\begin{matrix}
a_1&a_2&a_3\\\\
a_4&a_5&a_6\\\\
a_7&a_8&a_9\\\\
\end{matrix}\right|∣∣∣∣∣∣∣∣∣∣∣∣a1a4a7a2a5a8a3a6a9∣∣∣∣∣∣∣∣∣∣∣∣
$$\left|\begin{matrix}\vec{a}&\vec{b}&\vec{c}\\\\a_x&a_y&a_z\\\\b_x&b_y&b_z\end{matrix} \right|$$
方程组:
{a1x+b1y+c1z=d1a2x+b2y+c2z=d2a3x+b3y+c3z=d3\begin{cases} a_1x+b_1y+c_1z=d_1\\\\ a_2x+b_2y+c_2z=d_2\\\\ a_3x+b_3y+c_3z=d_3\\\\ \end{cases} ⎩⎪⎪⎪⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎪⎪⎪⎧a1x+b1y+c1z=d1a2x+b2y+c2z=d2a3x+b3y+c3z=d3
$$\begin{cases} a_1x+b_1y+c_1z=d_1\\\\ a_2x+b_2y+c_2z=d_2\\\\ a_3x+b_3y+c_3z=d_3\\\\ \end{cases} $$