2.7 KiB
#шпаргалки
\alpha - @a
\beta - @b
\gamma - @g \Gamma - @G
\delta - @d \Delta - @D
\zeta -@z
\sigma - @s \Sigma - @S
\kappa - @k
\lambda - @l \Lambda - @L
\epsilon - @e \varepsilon - :e
\theta - @t \Theta - @T \vartheta - :t
\upsilon - @u
\iota - @i
\omega - @o; ome \Omega - @O; Ome
_\text{smol} - sts
x^{2} - sr
x^{3} - cb
x^{y} - rd
x_{1} = _
\sqrt{ x } - sq
\frac{x}{y} - //
e^{ x } - ee
x^{-1} - invs
x^{*} - conj
\mathrm{Re} - Re
\mathrm{Im} - Im
\mathbf{letter} - bf
\mathrm{letter} - rm
\mathrm{Tr} - trace
\hat{x} - hat
\bar{x} - bar
\dot{x} - dot
\ddot{x} - ddot
x\cdot x - cdot
\tilde{x} - tilde
\underline{x} - und
\vec{x} - vec
\infty - ooo
\sum - sum
\prod - prod
\sum_{i=1}^{N}
$$ sum+Tab
\prod_{i=1}^{N}
$$ prod+Tab
\lim_{ n \to \infty } - lim
\pm - +-
\mp - -+
\dots - ...
\nabla - nabl; del
\times - xx
\cdot - **
\parallel - para
\equiv - ===
\neq - !=
\geq - >=
\leq - <=
\gg - >>
\ll - <<
\sim - simm
\simeq - sim=
\propto - prop
\leftrightarrow - <->
\to - ->
\mapsto - !>
\implies = =>
\impliedby - =<
\iff - iff
\cap - and
\cup - orr
\in - inn
\not\in - notin
\subseteq - sub=
\supseteq - sup=
\emptyset - eset
\{ x \} - set
\exists - exists
\mathcal{L} - LL
\mathcal{H} - HH
\mathbb{C} - CC
\mathbb{R} - RR
\mathbb{Q} - QQ
\mathbb{Z} - ZZ
\frac{ \partial y }{ \partial x } - par
\frac{d}{dt} - ddt
\int x \, dx - int+Tab
\int_{0}^{1} \, dx - dint
\oint - oint
\iint - iint
\iiint - iiint
\int_{0}^{\infty} x \, dx - oinf
\int_{-\infty}^{\infty} x \, dx - infi
\begin{matrix}
a_{1} & a_{2} & a_{3} \\
b_{1} & & b_{3} \\
\dots & \dots & \dots \\
& x_{2} & x_{3}
\end{matrix}
matrix (Tab for column, Enter for row)
\begin{pmatrix}x_{1} & x_{2} \\ x_{3} & x_{4}\end{pmatrix} - pmat
\begin{bmatrix}x_{1} & x_{2} \\ x_{3} & x_{4}\end{bmatrix} - bmat
\begin{Bmatrix}x_{1} & x_{2} \\ x_{3} & x_{4}\end{Bmatrix} - Bmat
\begin{vmatrix}x_{1} & x_{2} \\ x_{3} & x_{4}\end{vmatrix} - vmat
\begin{Vmatrix}x_{1} & x_{2} \\ x_{3} & x_{4}\end{Vmatrix} - Vmat
\begin{cases}
function_{1} \\
function_{2} \\
function_{3}
\end{cases}
$$ cases
\begin{array} x_{1} & x_{2} & x_{3} \ two \ three \end{array} $$ array
\begin{align}
x_{1} & & x_{2} & & x_{3} \\
y_{1} & & y_{2} & & y_{3}
\end{align}
$$ align
(for structuring content)
$\langle x \rangle$ - avg
$\lvert x \rvert$ - norm
$\lVert x \rVert$ - Norm
$\lceil x_{1}x_{2} \rceil$ - ceil
$\lfloor x_{1}x_{2} \rfloor$ - floor
$|x_{1}x_{2}|$ - mod
$\left( x_{1}x_{2} \right)$ - lr(; lr{; lr[
$\left< x \right>$ - lra