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In this article Xiaobian for you to introduce in detail "matlab how to achieve geometry expansion", the content is detailed, the steps are clear, the details are handled properly, I hope this "matlab how to achieve geometry expansion" article can help you solve your doubts, the following follow the editor's ideas slowly in-depth, together to learn new knowledge.

Geometric expansion

X = [- 6-6-7 07 6 6-3-300

-7 2 1 8 1 2-7-7-2-2-7]

X_avg = mean (XP2)

[~, n] = size (X)

Xampp = X-repmat (x_avg, 1,n)

% pan to origin

Krypx = 0.8

Krypy = 0.8

K = [krypx 0]

0 k_y]

% set transformation matrix

Y = k * Xroomp

Y = Y + repmat (x_avg, 1, n)

% translate back

X (:, end+1) = X (:, 1)

Plot (X (1), X (2),'. -', 'markersize',18,'linewidth',2)

Hold on

Y (:, end+1) = Y (:, 1)

Plot (Y (1m:), Y (2m:),'. -', 'markersize',18,'linewidth',2)

Axis square

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