A matrix/grid from two vectors

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Dear all,
I am trying to construct a matrix (or a grid) with specific limits on the x and y axes from two vectors:
ns = 20; %number of points on S axis
np = 20; %number of points on P axis
S = linspace(0,1,ns); %S variable
P = linspace(-1,1,np); %P variable
The resulting grid I want has the follwoing shape (just for an illustrative purpose. Surely the number of points would be larger):
I have thought about "meshgrid(S,P)" command, but it won't help as it doesn't let me have the specific P limits that I want, as shown in the photo above.
Any help would be appreicated!
Thanks,
Lama

Accepted Answer

Cris LaPierre
Cris LaPierre on 12 Mar 2021
meshgrid creates the matrices of x and y coordinates you wlil need to plot a mesh/surface plot.
Lookin at the examples on the mesh documentation page for how to use these two functions.
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