I try to run a for loop to plot the function y(t) for 0.1<=t<=0.9 for 5 diffrent t. Can you help me with my code?

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ON
ON 2022-3-31
评论： ON 2022-3-31
x=-10:0.01:10 ;
y=zeros(5,length(x))
for t=1:2:9
y(t)=((exp((-t*0.1).*x))./(sqrt(1-(t*0.1)^2))).*sin(x.*sqrt(1-(t*0.1)^2)+acos(t*0.1))
end

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Les Beckham
Les Beckham 2022-3-31
编辑：Les Beckham 2022-3-31
Ran in:
You were pretty close. I had to change the loop to loop over the elements of t and save y one row at a time using y(i,:) using one element of t using t(i).
Hopefully this is what you wanted.
x = -10:0.01:10;
t = 1:2:9;
y = zeros(numel(t), numel(x));
leg_strings = {};
for i = 1:numel(t)
y(i,:) = ((exp((-t(i)*0.1).*x)) ./ (sqrt(1-(t(i)*0.1)^2))) .* sin(x.*sqrt(1-(t(i)*0.1)^2) + acos(t(i)*0.1));
leg_strings(i) = {sprintf('t = %d', t(i))};
end
plot(x,y)
grid on
legend(leg_strings)
Note that you could also define t = 0.1:0.2:0.9 and remove the *0.1 from the equation for y.
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