() [] 直接写就行,而 {} 则需要转义“\ { ” “\ }”。 (\和{}之间无空格)
a_下标,b^上标:
\frac {分子} {分母} :
默认行间公式\sum_{k=1}^n{x_k}上下限标注在上下:
强制行间公式\sum\nolimits_{k=1}^n{x_k}上下限标注在右侧:
± :\pm
× :\times
÷:\div
∣:\mid
⋅:\cdot
∘:\circ
∗: \ast
⨀:\bigodot
⨂:\bigotimes
⨁:\bigoplus
≤:\leq
≥:\geq
≠:\neq
≈:\approx
≡:\equiv
∑:\sum
∏:\prod
∐:\coprod
∅:\emptyset
∈:\in
∉:\notin
⊂:\subset
⊃ :\supset
⊆ :\subseteq
⊇ :\supseteq
⋂ :\bigcap
⋃ :\bigcup
⋁ :\bigvee
⋀ :\bigwedge
⨄ :\biguplus
⨆:\bigsqcup
log :\log
lg :\lg
ln :\ln
⊥:\bot
∠:\angle
30∘:30^\circ
sin :\sin
cos :\cos
tan :\tan
cot :\cot
sec :\sec
csc :\csc
y′x:\prime
∫:\int
∬ :\iint
∭ :\iiint
∬∬:\iiiint
∮ :\oint
lim :\lim
∞ :\infty
∇:\nabla
∵:\because
∴ :\therefore
∀ :\forall
∃ :\exists
≠ :\not=
≯:\not>
⊄:\not\subset
y^ :\hat{y}
\check{y} :\check{y}
y˘ :\breve{y}
a+b+c+d¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯:\overline{a+b+c+d}
a+b+c+d−−−−−−−−−− :\underline{a+b+c+d}
a+b+c1.0+d2.0:\overbrace{a+\underbrace{b+c}_{1.0}+d}^{2.0}
↑:\uparrow
↓:\downarrow
⇑ :\Uparrow
⇓:\Downarrow
→:\rightarrow
← :\leftarrow
⇒ :\Rightarrow
⇐ :\Leftarrow
⟶ :\longrightarrow
⟵ :\longleftarrow
⟹:\Longrightarrow
⟸ :\Longleftarrow
a
a¯ \overline{a}
a
aˆ \widehat{a}
a
a˜ \widetilde{a}
a
a˙ \dot{a}
a
˙
https://blog.csdn.net/xingxinmanong/article/details/78528791
https://www.cnblogs.com/q735613050/p/7253073.html
https://blog.csdn.net/thither_shore/article/details/52260742
https://blog.csdn.net/qq_38228254/article/details/78515800
https://blog.csdn.net/u013163834/article/details/87904444
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