MATLAB: Can anyone explain the following code

plotting

Dear All,

I would make 3D surafce from given 2D coordinates. the following link dealt with same problem. However i could not understand the parameters used in the code. Could anyone explain this?

code link

https://in.mathworks.com/matlabcentral/answers/122948-rotating-a-2d-profile-to-make-3d#answer_130148

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MATLAB: How to rotate points on 2D coordinate systems

Hello,

You can rotate your points with a rotation matrix:

Here's a simple implementation,

% Create rotation matrix
theta = 90; % to rotate 90 counterclockwise
R = [cosd(theta) -sind(theta); sind(theta) cosd(theta)];
% Rotate your point(s)
point = [3 5]'; % arbitrarily selected
rotpoint = R*point;

The rotpoint is the 90 degree counterclockwise rotated version of your original point.

Hope this helps!

MATLAB: Rotation of a set of 3D points about a point

Here is the solution

http://www.mathworks.com/matlabcentral/answers/277331-rotating-a-2d-plot-around-origo

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MATLAB: How to rotate points on 2D coordinate systems

MATLAB: Rotation of a set of 3D points about a point

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