.TH "std::chi_squared_distribution< _RealType >" 3cxx "Fri Dec 19 2014" "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME std::chi_squared_distribution< _RealType > \- .SH SYNOPSIS .br .PP .SH "Detailed Description" .PP .SS "templateclass std::chi_squared_distribution< _RealType >" A chi_squared_distribution random number distribution\&. The formula for the normal probability mass function is $p(x|n) = \frac{x^{(n/2) - 1}e^{-x/2}}{\Gamma(n/2) 2^{n/2}}$ .PP Definition at line 2719 of file random\&.h\&. .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.