Changeset 618 for trunk/archive/pslib/include/psFunctions.h

Timestamp:

May 7, 2004, 3:06:28 PM (22 years ago)

Author:

Paul Price

Message:

Changed definition of the Gaussian --- included 1/sqrt(2pi)/sigma.

File:

• trunk/archive/pslib/include/psFunctions.h (modified) (1 diff)

trunk/archive/pslib/include/psFunctions.h

@@ -8 +8 @@
 
 /** Evaluate a non-normalized Gaussian with the given mean and sigma at the given coordianate.  Note that this
-    is not a Gaussian deviate.  The evaluated Gaussian is: \f[ exp(-\frac{(x-mean)^2}{2\sigma^2}) \f] */
+ *  is not a Gaussian deviate.  The evaluated Gaussian is:
+ *  \f[ 1/(\sqrt(2\pi)\sigma) exp(-\frac{(x-mean)^2}{2\sigma^2}) \f]
+ */
 float
 psGaussian(float x,                     ///< Value at which to evaluate