Plot f(x,y) = (x+y+xy+1) / xy = 0
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f(x,y) = (x+y+xy+1) / xy = 0
Hi, How can I plot 2D of the function above on MUPAD or Note ? It is simple 2D x, y space but I couldn't figure it out.
Thank you.
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Star Strider
2016년 6월 7일
You can do that with the Symbolic Math Toolbox and the fcontour function, setting ‘LevelList’ to a vector of zeros:
syms x y
f(x,y) = (x+y+x*y+1) / (x*y);
figure(1)
fc = fcontour(f);
fc.LevelList = [0 0];
See the documentation on fcontour for details.
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Star Strider
2022년 12월 29일
Torsten
2022년 12월 29일
But use
f = @(x,y)(x+y+x*y+1)
to avoid division by 0.
And the zero sets of both functions are equal.
추가 답변 (1개)
Ahmed
2018년 9월 16일
https://www.mathworks.com/matlabcentral/answers/103972-how-to-plot-f-x-y-x-2-y-function-in-matlab
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