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3d plotting with MATLAB

  1. Apr 23, 2009 #1
    i am learning MATLAB, but have not yet learned anything do do with graphing, but need a program that can plot x.y.z graphs for my calculus work,

    can someone please help me plot 3d graphs on MATLAB, for example

    z=x2+2x+y2-y

    how can i input x,y,z so that MATLAB will give me the surface graph of this function
     
  2. jcsd
  3. Apr 23, 2009 #2

    dx

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