How to devide a line passing through two points into equal segments?

Question

Soroush Asarzadeh 2016-7-21

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https://ww2.mathworks.cn/matlabcentral/answers/296643-how-to-devide-a-line-passing-through-two-points-into-equal-segments

回答： Star Strider 2016-7-21

Hello, I have two points: (x1,y1) and (x2,y2). Now I want to devide the line passing through these two points into 'n' equal segments. Unfortunately the 'linspace' can just be applied to horizontal and vertical lines! Does anybody have an idea?

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Answer 1

Star Strider 2016-7-21

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https://ww2.mathworks.cn/matlabcentral/answers/296643-how-to-devide-a-line-passing-through-two-points-into-equal-segments#answer_229364

在 MATLAB Online 中打开

Coimbine linspace and interp1:

x = [1 5];                                              % Create Data
y = [3 1];                                              % Create Data
N = 3;                                                  % Number Of Segments
xi = linspace(x(1), x(2), N+1);                         % Interpolation Vector
yi = interp1(x, y, xi, 'linear');                       % Find ‘yi’ For Each ‘xi’
figure(1)
plot(x, y, '-or')
hold on
plot(xi(2:end-1), yi(2:end-1), 'bp')
hold off
grid
axis([0  6    0  4])