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Plotting in 3d

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Zilla Tofte
Zilla Tofte on 31 Jul 2020
Commented: madhan ravi on 31 Jul 2020
How do I plot z=1/sqrt(x^2+y^2) in Matlab?

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Answers (2)

madhan ravi
madhan ravi on 31 Jul 2020
doc fsurf

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Alexander
Alexander on 31 Jul 2020
x = 1:0.1:10;
y = 1:0.1:10;
[X,Y] = meshgrid(x,y);
Z=1./sqrt(X.^2+Y.^2);
imagesc(x,y,Z)

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Zilla Tofte
Zilla Tofte on 31 Jul 2020
The picture of that code is just a blue grid...
Alexander
Alexander on 31 Jul 2020
as an example, I plotted x/y in 1 to 10 range. You can substitute with whatever ranges you need. "0.1" is the step for x/y variables. x = 1:0.1:10 creates a vector of number [1 1.1 1.2 ..... 9.9 10].
madhan ravi
madhan ravi on 31 Jul 2020
surf() instead of imagesc()

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