diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/cmath.rst | 2 | ||||
| -rw-r--r-- | Doc/library/math.rst | 9 |
2 files changed, 6 insertions, 5 deletions
diff --git a/Doc/library/cmath.rst b/Doc/library/cmath.rst index c575b90..28cd96b 100644 --- a/Doc/library/cmath.rst +++ b/Doc/library/cmath.rst @@ -89,7 +89,7 @@ Power and logarithmic functions logarithms. -.. function:: log(x, base=None) +.. function:: log(x[, base]) Returns the logarithm of *x* to the given *base*. If the *base* is not specified, returns the natural logarithm of *x*. There is one branch cut, from 0 diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 9da22b6..797f324 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -393,12 +393,13 @@ Power and logarithmic functions .. versionadded:: 3.2 -.. function:: log(x, base=None) +.. function:: log(x[, base]) - Return the logarithm of *x* to the given *base*. + With one argument, return the natural logarithm of *x* (to base *e*). + + With two arguments, return the logarithm of *x* to the given *base*, + calculated as ``log(x)/log(base)``. - If the *base* is not specified, returns the natural - logarithm (base *e*) of *x*. .. function:: log1p(x) |