How to mirror image in MATLAB.

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Cillian
Cillian 2012-4-26
评论： HARSH 2023-7-17
I really need help with the task below, can someone give a hint, just how to start solving this problem?
Write a program that makes the following:
Given the plane Ax + By + Cz = D and a point x in space, calculate the mirror image s of x in the plane.
Function script: function s = mirror(x, A, B, C, D)
Input: The point x and the parameters of the plane equation.
Output: The mirror image s
Also, presenting all occuring vectors as column vectors.
At last, test the functions on a suitable planes and points, just to check the results.
Here is my attempt so far;
function s = spegel(x, A, B, C, D)
s = A.*x + B.*y + C.*z - D;
s = x(length(gen):-1:1) % for the general case of a 1D vector (either row or column)
end
I would be very thankful for some help.
Regards
Cillian

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回答（1 个）

Sean de Wolski
Sean de Wolski 2012-4-26
That looks right for the 1d case. You may wish to look at: fliplr, flipud, flipdim.
If you open them up, e.g:
open flipud
You can see how they work.

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