Fix vonmisesvariate() -- it now returns an angle between 0 and *two*

times pi.  Got rid of $math$ here and in one other place.
This commit is contained in:
Guido van Rossum 1998-04-20 14:43:44 +00:00
parent 9a34523e19
commit a933f6a53d
2 changed files with 8 additions and 8 deletions

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@ -30,7 +30,7 @@ Returned values will range between 0 and 1.
Circular uniform distribution. \var{mean} is the mean angle, and Circular uniform distribution. \var{mean} is the mean angle, and
\var{arc} is the range of the distribution, centered around the mean \var{arc} is the range of the distribution, centered around the mean
angle. Both values must be expressed in radians, and can range angle. Both values must be expressed in radians, and can range
between 0 and $\pi$. Returned values will range between between 0 and pi. Returned values will range between
\code{\var{mean} - \var{arc}/2} and \code{\var{mean} + \var{arc}/2}. \code{\var{mean} - \var{arc}/2} and \code{\var{mean} + \var{arc}/2}.
\end{funcdesc} \end{funcdesc}
@ -65,11 +65,11 @@ standard deviation.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{vonmisesvariate}{mu, kappa} \begin{funcdesc}{vonmisesvariate}{mu, kappa}
\var{mu} is the mean angle, expressed in radians between 0 and pi, \var{mu} is the mean angle, expressed in radians between 0 and 2*pi,
and \var{kappa} is the concentration parameter, which must be greater and \var{kappa} is the concentration parameter, which must be greater
then or equal to zero. If \var{kappa} is equal to zero, this than or equal to zero. If \var{kappa} is equal to zero, this
distribution reduces to a uniform random angle over the range 0 to distribution reduces to a uniform random angle over the range 0 to
$2\pi$. 2*pi.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{paretovariate}{alpha} \begin{funcdesc}{paretovariate}{alpha}

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@ -30,7 +30,7 @@ Returned values will range between 0 and 1.
Circular uniform distribution. \var{mean} is the mean angle, and Circular uniform distribution. \var{mean} is the mean angle, and
\var{arc} is the range of the distribution, centered around the mean \var{arc} is the range of the distribution, centered around the mean
angle. Both values must be expressed in radians, and can range angle. Both values must be expressed in radians, and can range
between 0 and $\pi$. Returned values will range between between 0 and pi. Returned values will range between
\code{\var{mean} - \var{arc}/2} and \code{\var{mean} + \var{arc}/2}. \code{\var{mean} - \var{arc}/2} and \code{\var{mean} + \var{arc}/2}.
\end{funcdesc} \end{funcdesc}
@ -65,11 +65,11 @@ standard deviation.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{vonmisesvariate}{mu, kappa} \begin{funcdesc}{vonmisesvariate}{mu, kappa}
\var{mu} is the mean angle, expressed in radians between 0 and pi, \var{mu} is the mean angle, expressed in radians between 0 and 2*pi,
and \var{kappa} is the concentration parameter, which must be greater and \var{kappa} is the concentration parameter, which must be greater
then or equal to zero. If \var{kappa} is equal to zero, this than or equal to zero. If \var{kappa} is equal to zero, this
distribution reduces to a uniform random angle over the range 0 to distribution reduces to a uniform random angle over the range 0 to
$2\pi$. 2*pi.
\end{funcdesc} \end{funcdesc}
\begin{funcdesc}{paretovariate}{alpha} \begin{funcdesc}{paretovariate}{alpha}