How to realize Geometry expansion by matlab

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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