Index exceeds the number of array elements (20).

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Daniel Martelli 2020-8-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/576415-index-exceeds-the-number-of-array-elements-20

评论： Daniel Martelli 2020-8-7

A = 4; % centimeters
w = 0.6; % (rad/sec), angular frequency
t = 0:10; % time
x = A*cos(w*t) % time displacement
plot (t',x');
title('Displacement vs Time')
xlable('Time in s')
ylable('Displacement in cm')

Index exceeds the number of array elements (20).

My friends Code

% Plot the dispalcment vs the time
plot(t,x,'Linewidth',2)
title('Displacement vs Time')
xlabel('Time in s')
ylabel('Displacement in cm')

I dont understand why im getting this error, when i have written the same code. The variables are different but the layout is the same. This is my first time using MatLab without the lecturers help and i am stuck. I have tried changing different things but it just doesnt seem to work.

Thanks,

Daniel