From: Georg Brandl <georg@python.org>
Date: Sun, 22 Jun 2008 19:07:59 +0000 (+0000)
Subject: Write out "phi" consistently.
X-Git-Tag: v2.6b2~189
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3e8bb4e9b0585049c568d8197e088c29b05a3cb7;p=python

Write out "phi" consistently.
---

diff --git a/Doc/library/cmath.rst b/Doc/library/cmath.rst
index ec3543e25a..b9ea490abc 100644
--- a/Doc/library/cmath.rst
+++ b/Doc/library/cmath.rst
@@ -40,9 +40,9 @@ Definition::
 
 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
-angle *φ*. The radius *r* is the absolute value of the complex, which can be
+angle *phi*. The radius *r* is the absolute value of the complex, which can be
 viewed as distance from (0, 0). The radius *r* is always 0 or a positive float.
-The phase angle *φ* is the counter clockwise angle from the positive x axis,
+The phase angle *phi* is the counter clockwise angle from the positive x axis,
 e.g. *1* has the angle *0*, *1j* has the angle *π/2* and *-1* the angle *-π*.
 
 .. note::
@@ -53,12 +53,12 @@ e.g. *1* has the angle *0*, *1j* has the angle *π/2* and *-1* the angle *-π*.
 
 Definition::
 
-   z = r * exp(1j * φ)
-   z = r * cis(φ)
+   z = r * exp(1j * phi)
+   z = r * cis(phi)
 
    r := abs(z) := sqrt(real(z)**2 + imag(z)**2)
    phi := phase(z) := atan2(imag(z), real(z))
-   cis(φ) := cos(φ) + 1j * sin(φ)
+   cis(phi) := cos(phi) + 1j * sin(phi)
 
 
 .. function:: phase(x)