plotting an implicitly defined function in 3 dimensions

2017 2 3
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更新时间：2017 2 3
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I'm looking to graph the function x + y + z = 4 in three dimensions but am having difficulty. The code I used is as follows: [x,y,z] = meshgrid( linspace( -100, 100, 200 ) ); f = x + y + z; isosurface(x, y, z, f, 4) and a result is produced, but it's not what I'm looking for. Any advice?

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James Tursa
James Tursa 2017-2-3

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Something like this?
t = linspace( -100, 100, 50 );
[x y] = meshgrid(t);
surf(x,y,4-x-y)

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