55 lines
1.7 KiB
Matlab
55 lines
1.7 KiB
Matlab
## Copyright (C) 2023 gabri
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <https://www.gnu.org/licenses/>.
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## -*- texinfo -*-
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## @deftypefn {} {@var{retval} =} create2DRotationMatrix (@var{input1}, @var{input2})
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##
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## @seealso{}
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## @end deftypefn
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## Author: gabri <gabri@DESKTOP-AA36H6D>
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## Created: 2023-02-03
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function myrotationmatrix = create2DRotationMatrix (z)
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%%%%%%%%%%%%%%%%%
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%the function create2DRotationMatrix takes an agle in degrees as a argument,
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%and returns the corresponding 2D rotation matrix
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%
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%
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% INPUT : rotation angle in degrees
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%
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% OUTPUT : rotation matrix in size 2 by 2
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%
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%Created by: Gabriel LUCAS
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%Date Creation: 03/02/2023 11:05:22
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%
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%Last Modified: 03/02/2023 11:06:51
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%%%%%%%%%%%%%%%%%%
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z = z*(pi/180);
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myrotationmatrix = [cos(z),sin(z);(-sin(z)),cos(z)]
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%test
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angle = 90;
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expectedrotationmatrix = [0 1;-1 0];
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angle = angle*(pi/180);
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testrotationmatrix = [cos(angle),sin(angle);(-sin(angle)),cos(angle)]
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if (abs(abs(expectedrotationmatrix .- testrotationmatrix)) < 1e-10)
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disp("Test #1 Passed")
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else
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disp("Test #1 Failed")
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endif
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endfunction
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