Help with plotting shape functions?
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Hello, thanks for reading this,
I was wondering if you could help me with plotting shape functions. I have shape I want to graph in matlab, represented by the shape function:
(pz*15*15*15+2*(px*px+2.25*py*py)*(px*px+2.25*py*py)<0)&&(px*px>0.01*15*15)&& (pz>-2.3*15)
I got this, along with other shape functons, from some C++ code I inherited. I think if I can learn how to plot this, I can do the rest.
I started with trying to make a symbolic function out of this, defined by the code:
syms px py px v
and to make a symbolic function:
sym('v = ...')
I was thinking a ezplot may be the quickest way of doing this. However, I'm not sure how I would include the and operators, or even if symbolic equations are the best way of doing this problem.
Have any advice? Thanks
EDIT: I think a better way of saying this is I have a 3d volume I want to represent graphically, and I have a set of constraint equations associated with that 3D volume. I was wondering how I can represent my 3d volume given my set of constraint equations.
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Sean de Wolski
am 18 Okt. 2012
I would skip the symbolic stuff and just use an isosurface.
doc isosurface
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Sean de Wolski
am 18 Okt. 2012
I would generate it as a a bunch of 3d matrices using ndgrid() and then just evaluate that equation on those matrices.
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