ellipse_on_mvnskewpdf

  ELLIPSE_ON_MVNPDF - Calcluate 'response' of an ellipse on skewed multivariate normal

   Y=ELLIPSE_ON_MVNPDF(XMESH,YMESH,ELLIPSE_PARAMS,MU,SIGMA, ALPHA)

   Computes the overlap of an ellipse on a multivariate normal distribution.

   Inputs:
     XMESH = The X coordinates over which to calculate the response
     YMESH = The Y coordinates over which to calculate the response
     ELLIPSE_PARAMS = a list of column vectors; each column describes 1 ellipse
         the first row has the X_Ctr position, the second row has the Y_Ctr
         position, the third row has the X axis vertex, the fourth row has the
         Y axis vertex, and the fifth row has the rotation (in radians)
     MU - The mean for the multivariate normal pdf; can be a column vector or row vector (see MVNPDF)
     SIGMA - the covariance matrix for the multivariate normal pdf (must be 2x2, see MVNPDF)
     ALPHA - 1x2, the skewness parameter (see MVNSKEWPDF)
   Outputs:
     Y - The response, in a column vector, for each ellipse

   See also: INSIDE_ELLIPSE, MVNSKEWPDF