Mathematik

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(komplexe Zahlen)
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{|
{|
-
|<math>x = a + b\mathrm i</math>
+
|<math>z = x\, +\, \mathrm i y \quad</math>
|<math>\mathrm i</math>:=<math>\sqrt{-1}</math>
|<math>\mathrm i</math>:=<math>\sqrt{-1}</math>
|<math>i^2 = -1</math>
|<math>i^2 = -1</math>
|-
|-
-
|<math>a = \operatorname{Re} x</math>
+
|<math>x = \operatorname{Re}\, z</math>
-
|<math>b = \operatorname{Im} x</math>
+
|<math>y = \operatorname{Im}\, z</math>
|}
|}
 +
 +
Normalform:
 +
 +
<math>z_1 + z_2 = (x_1 + x_2) \mathrm i (y_1 + y_2)</math>
 +
 +
 +
Polarform:
 +
 +
[[category:Mathematik]]
[[category:Mathematik]]
[[category:remember]]
[[category:remember]]

Revision as of 11:58, 17 September 2008

Analysis

MathImage


Geometrie

MathImage


komplexe Zahlen

MathImage MathImage:=MathImage MathImage
MathImage MathImage

Normalform:

MathImage


Polarform:

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