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plot a conditional equation

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2NOR_Kh
2NOR_Kh 2022-2-12
回答： Walter Roberson 2022-2-12
I want to plot f(x,y)= (x-y)/(x+y) with this condition that x,y> 0 and y>10x, how can I plot it in matlab?

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Walter Roberson
Walter Roberson 2022-2-12
Ran in:
syms x y
f(x,y) = piecewise(y > 10*x, (x-y)/(x+y), nan)
f(x, y) = 
fsurf(f, [0 1000 0 1000])

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