The volume is the integral (assuming k>=0). Use integral2.
f=@(x,y)(interp2(k,x,y))
volume = integral2(f,xmin,xmax,ymin,ymax)
题
I have a 3d surface named,k for example:
a=8;
k(b,c)=a;
surf(k)
how to compute the volume and size under the surface plot?
解决方案
The volume is the integral (assuming k>=0). Use integral2.
f=@(x,y)(interp2(k,x,y))
volume = integral2(f,xmin,xmax,ymin,ymax)