hello everyone, i have this urgent problem

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Chia Ho Hsu
Chia Ho Hsu 2020 年 7 月 6 日
コメント済み: Walter Roberson 2020 年 7 月 6 日
hello everyone, i have a problem about animating multi-sin waves,each of them is starts with different time(ex:sin1 starts with 0,sin2 starts with 1...etc),besides,the animation speed of them r different,can someone help me out,please? i really need to figure this out for my thesis ><
  3 件のコメント
Chia Ho Hsu
Chia Ho Hsu 2020 年 7 月 6 日
編集済み: Walter Roberson 2020 年 7 月 6 日
like this, but i need the amplitude and the moving speed of 'O' and speed can be controllable,this is my code,i cant make it plot like the above photo i showed you:
clc;clear all;
t=0:0.1:100;
t2=1:0.5:100;
y=sin(t);
y2=sin(t2);
for k=1:length(t)
plot(t(k),y(k),'X')
hold on
plot(t2(k),y2(k),'O')
hold on
plot(t(1:k),y(1:k))
hold on
plot(t2(1:k),y2(1:k))
hold on
axis([0 100 -1 1])
grid on
xlabel('t')
ylabel('y')
legend('servo degree', 'servo degree','servo 1','servo 2')
pause(0.1)
if k~=length(t)
clf
end
if k~=length(t2)
clf
end
end
Walter Roberson
Walter Roberson 2020 年 7 月 6 日
N = 1000;
t2 = linspace(0, 100, N);
t = t/5;
Do not use t = linspace(0,100) and then t2=t1*5 because if you do then t2 will escape the boundaries of the plot.

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採用された回答

Walter Roberson
Walter Roberson 2020 年 7 月 6 日
編集済み: Walter Roberson 2020 年 7 月 6 日
The other main possibility is to use timers, one for each simulation, with the timers firing each time each simulation is to advance to the next sample.

その他の回答 (1 件)

Steven Lord
Steven Lord 2020 年 7 月 6 日
t = 0:360;
h1 = animatedline('LineStyle', '-', 'Color', 'k');
h2 = animatedline('LineStyle', '--', 'Color', 'c');
axis([0 450 -1 1]);
for k = 1:numel(t)
addpoints(h1, t(k), sind(t(k)));
addpoints(h2, t(k)+90, sind(t(k)));
pause((10/360))
end
While in this example I called addpoints on each of the animatedline objects at each iteration of the for loop, you could update each line only at certain iterations if you so desired.

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