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#6548: dont suggest existence of real and imag functions in cmath.

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This commit is contained in:
Georg Brandl 2009-07-23 07:08:58 +00:00
parent 7fc214b55d
commit 0e66914907
1 changed files with 4 additions and 4 deletions
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8
Doc/library/cmath.rst
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@ -28,15 +28,15 @@ Complex coordinates
Complex numbers can be expressed by two important coordinate systems.
Python's :class:`complex` type uses rectangular coordinates where a number
on the complex plain is defined by two floats, the real part and the imaginary
on the complex plane is defined by two floats, the real part and the imaginary
part.
Definition::
z = x + 1j * y
x := real(z)
y := imag(z)
x := z.real
y := z.imag
In engineering the polar coordinate system is popular for complex numbers. In
polar coordinates a complex number is defined by the radius *r* and the phase
@ -216,7 +216,7 @@ The module also defines two mathematical constants:
.. data:: pi
The mathematical constant *pi*, as a float.
The mathematical constant *π*, as a float.
.. data:: e