don’t forget use $$
Spezielle Zeichen
Zeichen |
Eingabe |
Zeichen |
Eingabe |
# \# # |
\# |
% \% % |
\% |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
x 2 x^2 x2 |
x^2 |
x 2 x_2 x2 |
x_2 |
x 2 x^{2} x2 |
x^{2} |
x 2 x_{2} x2 |
x_{2} |
x 1 \overset{1}{x} x1 |
\overset{1}{x} |
x 1 \underset{1}{x} 1x |
\underset{1}{x} |
1 2 \frac{1}{2} 21 |
\frac{1}{2} |
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x \sqrt{x} x |
\sqrt{x} |
x 3 \sqrt[3]{x} 3x |
\sqrt[3]{x} |
Funktionen
Zeichen |
Eingabe |
Zeichen |
Eingabe |
sin x \sin x sinx |
\sin x |
cos x \cos x cosx |
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tan x \tan x tanx |
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log x \log x logx |
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ln x \ln x lnx |
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exp x \exp x expx |
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min x \min x minx |
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max x \max x maxx |
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\ + arccos arcsin arctan arg cosh cot coth csc deg det dim gcd hom inf ker lim liminf limsup …
Griechisches
Zeichen |
Eingabe |
Zeichen |
Eingabe |
o o o |
\o |
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α \alpha α |
\alpha |
A \Alpha A |
\Alpha |
ϵ \epsilon ϵ |
\epsilon |
ε \varepsilon ε |
\varepsilon |
ϕ \phi ϕ |
\phi |
φ \varphi φ |
\varphi |
Σ \Sigma Σ |
\Sigma |
Π \Pi Π |
\Pi |
\ + beta gamma delta zeta eta theta lamda mu nu xi pi … Gamma Delta …
Akzente und andere Verzierungen
Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
x ^ \hat{x} x^ |
\hat{x} |
a ˇ \check{a} aˇ |
\check{a} |
a ˊ \acute{a} aˊ |
\acute{a} |
a ˋ \grave{a} aˋ |
\grave{a} |
x ˉ \bar{x} xˉ |
\bar{x} |
x ⃗ \vec{x} x |
\vec{x} |
x ˙ \dot{x} x˙ |
\dot{x} |
x ¨ \ddot{x} x¨ |
\ddot{x} |
a ˘ \breve{a} a˘ |
\breve{a} |
x ~ \tilde{x} x~ |
\tilde{x} |
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x − x ⏟ = 0 \underbrace{x - x}_{=0} =0 x−x |
\underbrace{x - x}_{=0} |
x − x ⏞ = 0 \overbrace{x-x}^{=0} x−x =0 |
\overbrace{x-x}^{=0} |
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x y z ‾ \overline{xyz} xyz |
\overline{xyz} |
x y z ‾ \underline{xyz} xyz |
\underline{xyz} |
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x y z ← \overleftarrow{xyz} xyz |
\overleftarrow{xyz} |
x y z → \overrightarrow{xyz} xyz |
\overrightarrow{xyz} |
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x y z ~ \widetilde{xyz} xyz |
\widetilde{xyz} |
x y z ^ \widehat{xyz} xyz |
\widehat{xyz} |
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Zeichen
Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
£ \pounds £ |
\pounds |
∙ \bullet ∙ |
\bullet |
∘ \circ ∘ |
\circ |
¥ \yen ¥ |
\yen |
… \dots … |
\dots |
© \copyright c◯ |
\copyright |
± \pm ± |
\pm |
∓ \mp ∓ |
\mp |
× \times × |
\times |
÷ \div ÷ |
\div |
∗ \ast ∗ |
\ast |
⋆ \star ⋆ |
\star |
⋅ \cdot ⋅ |
\cdot |
∩ \cap ∩ |
\cup |
∪ \cup ∪ |
\cup |
⊎ \uplus ⊎ |
\uplus |
⊓ \sqcap ⊓ |
\sqcap |
⊔ \sqcup ⊔ |
\sqcup |
∨ \vee ∨ |
\vee |
∧ \wedge ∧ |
\wedge |
∖ \setminus ∖ |
\setminus |
≀ \wr ≀ |
\wr |
⋄ \diamond ⋄ |
\diamond |
△ \bigtriangleup △ |
\bigtriangleup |
▽ \bigtriangledown ▽ |
\bigtriangledown |
◃ \triangleleft ◃ |
\triangleleft |
▹ \triangleright ▹ |
\triangleright |
⊲ \lhd ⊲ |
\lhd |
⊳ \rhd ⊳ |
\rhd |
⊴ \unlhd ⊴ |
\unlhd |
⊵ \unrhd ⊵ |
\unrhd |
⊕ \oplus ⊕ |
\oplus |
⊖ \ominus ⊖ |
\ominus |
⊗ \otimes ⊗ |
\otimes |
⊘ \oslash ⊘ |
\oslash |
⊙ \odot ⊙ |
\odot |
◯ \bigcirc ◯ |
\bigcirc |
† \dagger † |
\dagger |
‡ \ddagger ‡ |
\ddagger |
⨿ \amalg ⨿ |
\amalg |
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Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
≤ \leq ≤ |
\leq |
≥ \geq ≥ |
\geq |
≡ \equiv ≡ |
\equiv |
⊨ \models ⊨ |
\models |
≺ \prec ≺ |
\prec |
⪯ \preceq ⪯ |
\preceq |
≻ \succ ≻ |
\succ |
⪰ \succeq ⪰ |
\succeq |
∼ \sim ∼ |
\sim |
≃ \simeq ≃ |
\simeq |
⊥ \perp ⊥ |
\perp |
∣ \mid ∣ |
\mid |
≪ \ll ≪ |
\ll |
≫ \gg ≫ |
\gg |
≍ \asymp ≍ |
\asymp |
∥ \parallel ∥ |
\parallel |
⊂ \subset ⊂ |
\subset |
⊆ \subseteq ⊆ |
\subseteq |
⊏ \sqsubset ⊏ |
\sqsubset |
⊑ \sqsubseteq ⊑ |
\sqsubseteq |
⊐ \sqsupset ⊐ |
\sqsupset |
⊒ \sqsupseteq ⊒ |
\sqsupseteq |
≈ \approx ≈ |
\approx |
⋈ \bowtie ⋈ |
\bowtie |
≅ \cong ≅ |
\cong |
⋈ \Join ⋈ |
\Join |
≠ \neq = |
\neq |
⌣ \smile ⌣ |
\smile |
≐ \doteq ≐ |
\doteq |
⌢ \frown ⌢ |
\frown |
∈ \in ∈ |
\in |
∋ \ni ∋ |
\ni |
∉ \notin ∈/ |
\notin |
∝ \propto ∝ |
\propto |
⊢ \vdash ⊢ |
\vdash |
⊣ \dashv ⊣ |
\dashv |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
← \leftarrow ← |
\leftarrow |
⟵ \longleftarrow ⟵ |
\longleftarrow |
⇐ \Leftarrow ⇐ |
\Leftarrow |
⟸ \Longleftarrow ⟸ |
\Longleftarrow |
↔ \leftrightarrow ↔ |
\leftrightarrow |
⟷ \longleftrightarrow ⟷ |
\longleftrightarrow |
⇔ \Leftrightarrow ⇔ |
\Leftrightarrow |
⟺ \Longleftrightarrow ⟺ |
\Longleftrightarrow |
↑ \uparrow ↑ |
\uparrow |
⇑ \Uparrow ⇑ |
\Uparrow |
↓ \downarrow ↓ |
\downarrow |
⇓ \Downarrow ⇓ |
\Downarrow |
↕ \updownarrow ↕ |
\updownarrow |
⇕ \Updownarrow ⇕ |
\Updownarrow |
↩ \hookleftarrow ↩ |
\hookleftarrow |
↼ \leftharpoonup ↼ |
\leftharpoonup |
↽ \leftharpoondown ↽ |
\leftharpoondown |
⇌ \rightleftharpoons ⇌ |
\rightleftharpoons |
↗ \nearrow ↗ |
\nearrow |
↘ \searrow ↘ |
\searrow |
↙ \swarrow ↙ |
\swarrow |
↖ \nwarrow ↖ |
\nwarrow |
↦ \mapsto ↦ |
\mapsto |
⟼ \longmapsto ⟼ |
\longmapsto |
⇝ \leadsto ⇝ |
\leadsto |
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Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
′ \prime ′ |
\prime |
∀ \forall ∀ |
\forall |
∞ \infty ∞ |
\infty |
ℏ \hbar ℏ |
\hbar |
∅ \emptyset ∅ |
\emptyset |
∃ \exists ∃ |
\exists |
∇ \nabla ∇ |
\nabla |
√ \surd √ |
\surd |
□ \Box □ |
\Box |
△ \triangle △ |
\triangle |
ℓ \ell ℓ |
\ell |
¬ \neg ¬ |
\neg |
⊤ \top ⊤ |
\top |
♯ \sharp ♯ |
\sharp |
⊥ \bot ⊥ |
\bot |
℧ \mho ℧ |
\mho |
ℜ \Re ℜ |
\Re |
∠ \angle ∠ |
\angle |
∂ \partial ∂ |
\partial |
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Zeichen |
Eingabe |
Zeichen |
Eingabe |
Zeichen |
Eingabe |
∑ \sum ∑ |
\sum |
∏ \prod ∏ |
\prod |
∐ \coprod ∐ |
\coprod |
∫ \int ∫ |
\int |
∮ \oint ∮ |
\oint |
⋂ \bigcap ⋂ |
\bigcap |
⋃ \bigcup ⋃ |
\bigcup |
⨆ \bigsqcup ⨆ |
\bigsqcup |
⋁ \bigvee ⋁ |
\bigvee |
⋀ \bigwedge ⋀ |
\bigwedge |
⨀ \bigodot ⨀ |
\bigodot |
⨂ \bigotimes ⨂ |
\bigotimes |
⨁ \bigoplus ⨁ |
\bigoplus |
⨄ \biguplus ⨄ |
\biguplus |
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Formelkonstrukte I
Zeichen |
Eingabe |
Eingabe |
x x x\negthickspace x xx |
x\negthickspace x |
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x x x\negmedspace x xx |
x\negmedspace x |
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x x x\negthinspace x xx |
x\negthinspace x |
\! |
x x xx xx |
xx |
|
x x x\thinspace x xx |
x\thinspace x |
\, |
x x x\medspace x xx |
x\medspace x |
\: |
x x x\thickspace x xx |
x\thickspace x |
\; |
x x x\quad x xx |
x\quad x |
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x x x\qquad x xx |
x\qquad x |
|
Zeichen |
Eingabe |
Zeichen |
Eingabe |
( 1 2 3 ) (\frac{1}{\frac{2}{3}}) (321) |
(\frac{1}{2}) |
( 1 2 3 ) \left ( \frac{1}{\frac{2}{3}} \right ) (321) |
\left ( \frac{1}{\frac{2}{3}} \right ) |
[ 1 2 3 ] [\frac{1}{\frac{2}{3}}] [321] |
(\frac{1}{2}) |
[ 1 2 3 ] \left [ \frac{1}{\frac{2}{3}} \right ] [321] |
\left [ \frac{1}{\frac{2}{3}} \right ] |
x ∥ a b x\|_{a}^{b} x∥ab |
x |_{a}^{b} |
x ∥ a b x\big \|_{a}^{b} x∥∥ab |
x \big |_{a}^{b} |
x ∥ a b x\|_{a}^{b} x∥ab |
x |_{a}^{b} |
x ∥ a b x\Big \|_{a}^{b} x∥∥∥ab |
x \Big |_{a}^{b} |
x ∥ a b x\|_{a}^{b} x∥ab |
x |_{a}^{b} |
x ∥ a b x\bigg \|_{a}^{b} x∥∥∥∥ab |
x \bigg |_{a}^{b} |
x ∥ a b x\|_{a}^{b} x∥ab |
x |_{a}^{b} |
x ∥ a b x\Bigg \|_{a}^{b} x∥∥∥∥∥ab |
x \Bigg |_{a}^{b} |
\left + { < ( …
\right + } > )…
\big \Big \bigg \Bigg + Symbol
Zeichen |
Eingabe |
x = ! y x \stackrel{!}{=} y x=!y |
x \stackrel{!}{=} y |
a b \dfrac{a}{b} ba |
\dfrac{a}{b} |
a b \tfrac{a}{b} ba |
\tfrac{a}{b} |
i f x i = 0 , t h a n x i 2 = 0 if \: x_i=0, than \: x_i^2 = 0 ifxi=0,thanxi2=0
if x i = 0 ,than x i 2 = 0 \text{if } x_i = 0\text{,than }x_i^2 = 0 if xi=0,than xi2=0
$if \: x_i=0, than \: x_i^2 = 0$
$\text{if } x_i = 0\text{,than }x_i^2 = 0$
⟵ 87654321 12345678 \underset{12345678}{\overset{87654321}{\longleftarrow}} 12345678⟵87654321 ← 12345678 87654321 \xleftarrow[12345678]{87654321} 87654321 12345678
$\underset{12345678}{\overset{87654321}{\longleftarrow}}$
$\xleftarrow[12345678]{87654321}$
Formelkonstrukte II
∣ a b c d e f h i k ∣ \left|\begin{array}{lcr}a&b&c\\d&e&f\\h&i&k\end{array}\right| ∣∣∣∣∣∣adhbeicfk∣∣∣∣∣∣
$\left|\begin{array}{lcr}a&b&c\\d&e&f\\h&i&k\end{array}\right|$
A B = ( a b c d e f h i k ) − ∣ a b d e ∣ \mathbf{A}\mathbf{B} = \left (\begin{array}{ccc} a & b & c \\ d & e & f \\ h & i & k \end{array} \right ) - \left| \begin{array}{rc} a & b \\ d & e \\ \end{array} \right| AB=⎝⎛adhbeicfk⎠⎞−∣∣∣∣adbe∣∣∣∣
$\mathbf{A}\mathbf{B} =
\left
(\begin{array}{ccc}
a & b & c \\
d & e & f \\
h & i & k
\end{array}
\right ) -
\left|
\begin{array}{rc}
a & b \\
d & e \\
\end{array}
\right|$
f ( x ) = { x sin 1 x f o r x ≠ 0 0 f o r x = 0 f(x) = \left\{ \begin{array}{rl} \displaystyle x \sin \frac{1}{x} & for \, x \ne 0 \\ 0 & for \, x = 0 \end{array} \right . f(x)={xsinx10forx=0forx=0
$f(x) = \left\{
\begin{array}{rl}
\displaystyle x \sin \frac{1}{x} & for \, x \ne 0 \\
0 & for \, x = 0
\end{array}
\right .$
(Folgendes is ungueltig beim CSDN)
σ a = a − b \sigma_a = a-b σa=a−b
σ b = a − d \sigma_b = a-d σb=a−d
σ b = σ a − σ b \sigma_b = \sigma_a -\sigma_b σb=σa−σb
= a − b + a − d \:\:\:\:\:\,=a-b+a-d =a−b+a−d
= 2 a − b − d \:\:\:\:\:\,=2a-b-d =2a−b−d
$\begin{eqnarray}
\sigma_a & = & a -b \\
\sigma_b & = & a - d \\
\\
\sigma_c & = & \sigma_a + \sigma_b \\
& = & a-b+a-d \\
& = & 2a -b-d
\end{eqnarray}$