2D trapezoidal rule by Mohammed Sadeq Al-Rawi

Calculates a double integral using trapezoidal rule. (optimization, double integral, signal processing)

trapezoidal_rule_double_integral(x, y, mat)

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