HandleGraphicsSetGet class by Andrew Newell

An extension of the handle graphics set/get class HGSETGET. (handle, set, get)

dblquad over general domain by David Woods

Extension of dblquad over a rectangle domain to general case. (double integration, modification, integration)

dblquadx(intfcn,f_xmin,f_xmax,ymin,ymax,tol,quadf,varargin)...

quadx(funfcn,a,b,tol,trace,varargin)

demo_dblquadx.m