How to animate two functions at the same time?

Question

Pablo González de la Parra 2020-10-14

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https://ww2.mathworks.cn/matlabcentral/answers/614188-how-to-animate-two-functions-at-the-same-time

回答： Puru Kathuria 2020-10-23

I want the two points to run at the same time. But the point of the circle goes first in the animation, and then the point of the line goes after it is done. How can i make them start and finish at the same time?

r=5
l=20
f = @(t) plot(r*cos(t), r*sin(t), "ro", "MarkerFaceColor", "r", "MarkerSize", 16)
fanimator(f,"AnimationRange", [0 6*pi])
hold on
g = @(t) plot(r*cos(t)+sqrt(l^2-r^2*sin(t)*.2),0, "ro", "MarkerFaceColor", "r", "MarkerSize", 16)
fanimator(g,"AnimationRange", [15 25])
hold off
syms t
x = r*cos(t);
y = r*sin(t);
x1 = t;
y1 = t-t;
hold on
fplot(x, y, [0,2*pi])
title("Circulo")
hold off
hold on
fplot(x1, y1, [15, 25])
title("Linea Recta")
hold off

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Walter Roberson 2020-10-15

在 MATLAB Online 中打开

The example in fanimator shows two functions animated at the same time.

If you insert

playAnimation()

after the first hold off then both of the items will animate. It takes a while -- the second one does not start moving until nearly the end of the time the first one starts moving -- but they do both play.

Pablo González de la Parra 2020-10-15

Thank you very much! That solved my problem. I really appreciate it!

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Answer 1

Puru Kathuria 2020-10-23

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/614188-how-to-animate-two-functions-at-the-same-time#answer_522913

Hi,

Please refer this example, it has a detailed demonstration on a similar animation that you require and also refer this function which helps animation of objects.