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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-02-21 22:30:35 +0100 |
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| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-02-27 00:00:55 +0100 |
| commit | 59affed23c3a30b85c006c45f9e5d3aa8ce50741 (patch) | |
| tree | 67175bea0de833a2d1055b0041438e9d72e3024e /doc/eval.texi | |
| parent | 8c5ee45d13b7a0d14ff75b7db72d5400b7750571 (diff) | |
| download | ffmpeg-59affed23c3a30b85c006c45f9e5d3aa8ce50741.tar.gz | |
eval: add root() to solve f(x)=0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc/eval.texi')
| -rw-r--r-- | doc/eval.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/eval.texi b/doc/eval.texi index c4a8ac564f..c4b669fbcb 100644 --- a/doc/eval.texi +++ b/doc/eval.texi @@ -114,6 +114,10 @@ then 0 is assumed. note, when you have the derivatives at y instead of 0 taylor(expr, x-y) can be used When the series does not converge the results are undefined. + +@item root(expr, max) +Finds x where f(x)=0 in the interval 0..max. +f() must be continuous or the result is undefined. @end table The following constants are available: |