Caleb Wilson

自 2017 起处于活动状态

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统计学

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提问

I'm trying to plot the function: x(t) = 20*cos(2*pi*500*t). When I try to do this, nothing is plotted and i'm not sure why. The x and y limits are also incorrect. What can i do to fix this?
if true t = 0:0.005; xlim([-0.002 0.002]) ylim([-20 20]) y = 20*cos(2*pi*500*t) plot (t,y) end

7 years 前 | 1 个回答 | 0

1

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提问

I am trying to do this problem, but I'm having some issues with steps 2 3 and 4. I thought I did it right, but the values stored in the "velocites" vector all share the same value and they shouldn't. Any help would be appreciated
InitialVelocity = 2 * rand(1) - 1; F = 1; tau = 1; N = T/dt; T = 10; dt = 0.01; n = 0; velocities = zeros(1,N); ...

7 years 前 | 2 个回答 | 0

2

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