This function creates std patches for graphing purposes
SYNOPSIS
function [vr,fc] = stdpatch(xd,yd,st)
DESCRIPTION
This function creates std patches for graphing purposes
ARGUMENTS
xd ... xaxis data range
yd ... plotted ydata
st ... variance of data (std, CI, etc...
RETURNS
vr ... vertices of patch
fc ... faces of patch
CROSS-REFERENCE INFORMATION
This function calls:
makecolumn MAKECOLUMN forces row vector to be a column vector
