Differentialrechnung

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== Ableitungen/Integrale ==
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{|border=1
{|border=1
|'''Funktion <math>f(x)</math>'''
|'''Funktion <math>f(x)</math>'''
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|<math>-\frac 1 {x^2}</math>
|<math>-\frac 1 {x^2}</math>
|<math>\ln\, \left|x\right|+C</math>
|<math>\ln\, \left|x\right|+C</math>
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|-
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|<math>\frac 1{ax+b}</math>
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|
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|<math>\frac 1 a \ln|ax+b|+C</math>
|-
|-
|<math>e^x</math>
|<math>e^x</math>
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|<math>\ln x</math>
|<math>\ln x</math>
|<math>\frac 1 x</math>
|<math>\frac 1 x</math>
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|<math>-x + x\,\ln\,x+C</math>
|-
|-
|<math>\log_a x</math>
|<math>\log_a x</math>
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|<math>\tan x</math>
|<math>\tan x</math>
|<math>\frac 1 {\cos^2 x} = 1+\tan^2 x</math>
|<math>\frac 1 {\cos^2 x} = 1+\tan^2 x</math>
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|<math>-\ln|\cos\,x|+C</math>
|-
|-
|<math>\cot x</math>
|<math>\cot x</math>
|<math>-\frac 1 {\sin^2 x} = -(1+\cot^2 x)</math>
|<math>-\frac 1 {\sin^2 x} = -(1+\cot^2 x)</math>
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|<math>\ln|\sin\,x|+C</math>
|-
|-
|<math>\arcsin x</math>
|<math>\arcsin x</math>
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|}
|}
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== weitere Integrale ==
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siehe [[Integration]]
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{|border=1
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|'''Funktion <math>f(x)</math>'''
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== Integralfunktionen ==
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|'''Integral <math>F(x)=\int f(x) d x</math>'''
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{|
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|Integralsinus
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|<math>Si(x) = \int_0^x\frac{\sin\,t}t dt = C+\ln|x|-\frac{x^2}{2\cdot 2!}+\frac{x^4}{4\cdot 4!}-\frac{x^6}{6\cdot 6!} + - \cdots,\ |x|<\infty</math>
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|Eulersche Konstante <math>C =0,5772...</math>
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|-
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|<math>\frac 1{\cos^2 x}</math>
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|Integralcosinus
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|<math>\tan x+C</math>
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|<math>Ci(x) = \int_x^\infty\frac{\cos\,t}t dt = C+\ln|x|+\frac{x}{1\cdot 1!}+\frac{x^2}{2\cdot 2!}+\frac{x^3}{3\cdot 3!} + \cdots,\ |x|<\infty</math>
|-
|-
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|<math>\frac 1{\sin^2 x}</math>
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|Exponentialintegral
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|<math>-\cot x+C</math>
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|<math>Ei(x) = \int_{-\infty}^x\frac{e^t}t dt = C+\ln|x|+\frac x{1\cdot 1!}+\frac{x^2}{2\cdot 2!}+\frac{x^3}{3\cdot 3!} + \cdots,\ x<0</math>
|-
|-
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|<math>\frac 1{\sqrt{1-x^2}}</math>
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|Integrallogarithmus
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|<math>\arcsin x+C</math>
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|<math>Li(x) = \int_0^x\frac{dt}{\ln\,t}t = \int_{-\infty}^x\frac{e^t}t dt = C+\ln\left|\ln x\right|+\frac{\ln x}{1\cdot 1!}+\frac{(\ln\,x)^2}{2\cdot 2!}-\frac{(\ln\,x)^3}{3\cdot 3!} + \cdots,\ 0<x<\infty</math>
|-
|-
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|<math>\frac 1{\sqrt{1+x^2}}</math>
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|Gaußsches Fehlerintegral
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|<math>\arctan x+C</math>
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|<math>F(x) = \frac 1{\sqrt{2\pi}} \int_{-\infty}^xe^{-\frac{t^2} 2} dt = \frac 1 2 + \frac 1{\sqrt{2\pi}} \left(\frac x 1-\frac{x^3}{2\cdot3\cdot1!}+\frac{x^5}{2^2\cdot5\cdot2!}-\frac{x^7}{2^3\cdot7\cdot3!}+-\cdots\right),\ |x|<\infty</math>
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|-
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|<math>\frac 1{\cosh^2 x}</math>
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|<math>\tanh x+C</math>
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|-
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|<math>\frac 1{\sinh^2 x}</math>
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|<math>-\coth x+C</math>
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|-
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|<math>\frac 1{\sqrt{x^2+1}}</math>
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|<math>\operatorname{arsinh} x+C = \ln\, \left|x+\sqrt{x^2+1}\right|+C</math>
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|-
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|<math>\frac 1{\sqrt{x^2-1}}</math>
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|<math>\operatorname{arcosh} x+C = \ln\, \left|x+\sqrt{x^2-1}\right|+C</math>
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|-
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|<math>\frac 1{\sqrt{1-x^2}}</math>
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|<math>\begin{cases}\operatorname{artanh}x+C=\frac 1 2 \ln\frac{1+x}{1-x}+C,& |x|<1\\\operatorname{arcoth}x+C=\frac 1 2 \ln\frac{x+1}{x-1}+C,& |x|>1\end{cases}</math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|-
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|<math></math>
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|<math></math>
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|}
|}
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== [http://de.wikipedia.org/wiki/Fourier-Transformation Fourier-Transformation] ==
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Bildfunktion <math>F(j\omega) = \mathcal F\{f(t)\} = \int_{-\infty}^\infty f(t)\, e^{-j\omega t} dt</math>
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== [http://de.wikipedia.org/wiki/Laplace-Transformation Laplace-Transformation] ==
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Originalfunktion, Oberfunktion:
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<math>f(t) = \mathcal L^{-1}\{f(t)\} = \frac 1 {2j\pi} \int_{\beta-j\omega}^{\beta+j\omega} F(s)\, e^{s t} ds</math>
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Laplace-Transformierte, Unterfunktion, Bildfunktion:
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<math>F(s) = \mathcal L\{f(t)\} = \int_0^\infty f(t)\, e^{-s t} dt</math>
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[[category:remember]]
[[category:Mathematik]]
[[category:Mathematik]]

Current revision

Contents

Ableitungen/Integrale

Funktion MathImage Ableitung MathImage Integral MathImage
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siehe Integration

Integralfunktionen

Integralsinus MathImage Eulersche Konstante MathImage
Integralcosinus MathImage
Exponentialintegral MathImage
Integrallogarithmus MathImage
Gaußsches Fehlerintegral MathImage


Fourier-Transformation

Bildfunktion MathImage


Laplace-Transformation

Originalfunktion, Oberfunktion:

MathImage

Laplace-Transformierte, Unterfunktion, Bildfunktion:

MathImage

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