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Plotting figures with user defined functions

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Derrick Joseph
Derrick Joseph 2019 年 9 月 28 日
編集済み: Matt J 2019 年 9 月 28 日
I'm trying to plot an image of a train sketch using a rectangle function and a circle function but I don't understand why it's not giving the right output.
Here's my code:
plotrectangle(1, 1.5, 3, 2)
hold all;
plotrectangle(3, 3.5, .5, .5)
plotcircle(2.5,4,1)
plotcircle(1.5, 4.5, 2)
plotcircle(1.5,1,2)
plotcircle(3.5,1,2)
function [] = plotrectangle(x, y, l, w)
figure;
rectangle('Position', [x y l w]);
axis( [0 10 0 10] )
end
function [] = plotcircle(c1,c2,r)
t = 0:0.0001:2*pi;
x = r*cos(t)+c1;
y = r*sin(t)+c2;
plot(x, y);
axis( [0 5 0 5 ] )
end

回答 (1 件)

Matt J
Matt J 2019 年 9 月 28 日
編集済み: Matt J 2019 年 9 月 28 日
For some reason, you've given circle radii that are all off by a factor of 6.
plotrectangle(1, 1.5, 3, 2)
hold on
plotrectangle(3, 3.5, .5, .5)
plotcircle(2.5,4.5,1)
plotcircle(1.5, 4.5, 2)
plotcircle(1.5,1,3)
plotcircle(3.5,1,3)
hold off
axis equal
function [] = plotrectangle(x, y, l, w)
rectangle('Position', [x y l w]);
end
function [] = plotcircle(c1,c2,r)
r=r/6;
t = 0:0.0001:2*pi;
x = r*cos(t)+c1;
y = r*sin(t)+c2;
plot(x, y);
end

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