[Boost-commit] svn:boost r39406 - sandbox/math_toolkit/libs/math/doc/distributions

From: john_at_[hidden]
Date: 2007-09-20 08:29:58

Author: johnmaddock
Date: 2007-09-20 08:29:58 EDT (Thu, 20 Sep 2007)
New Revision: 39406
URL: http://svn.boost.org/trac/boost/changeset/39406

Log:
Fix definition of mode.
Text files modified: 
   sandbox/math_toolkit/libs/math/doc/distributions/beta.qbk |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: sandbox/math_toolkit/libs/math/doc/distributions/beta.qbk
==============================================================================
--- sandbox/math_toolkit/libs/math/doc/distributions/beta.qbk	(original)
+++ sandbox/math_toolkit/libs/math/doc/distributions/beta.qbk	2007-09-20 08:29:58 EDT (Thu, 20 Sep 2007)
@@ -239,7 +239,7 @@
 [[quantile from the complement][__ibetac_inv(a, b, q)]]
 [[mean][`a/(a+b)`]]
 [[variance][`a * b / (a+b)^2 * (a + b + 1)`]]
-[[mode][`(a-1) / (a + b + 2)`]]
+[[mode][`(a-1) / (a + b - 2)`]]
 [[skewness][`2 (b-a) sqrt(a+b+1)/(a+b+2) * sqrt(a * b)`]]
 [[kurtosis excess][ [$../equations/beta_dist_kurtosis.png]  ]]
 [[kurtosis][`kurtosis + 3`]]