Comparing two plots which are functions of time

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Krishnaraja Sagar 2020-11-17

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评论： VBBV 2020-11-18

采纳的回答： VBBV

I have two signals which are functions of time t, which when plotted gives the desired graphs.

I need to display that these plots are equal and hence, linear. How do I do this? I tried comparing the function handles I used, but they are not accurate.

Data I have used :-

t = -10:0.1:10

x1(t) = 2sin(2*pi*3t)

x2(t) = 3sin(2*pi*2t)

y(x) = t.*x

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VBBV 2020-11-17

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https://ww2.mathworks.cn/matlabcentral/answers/650953-comparing-two-plots-which-are-functions-of-time#answer_547343

编辑：VBBV 2020-11-17

在 MATLAB Online 中打开

 %if true
%if true
t = -10:0.1:10;
x1 = 2*sin(2*pi*3*t);
x2 = 3*sin(2*pi*2*t);
y11 = t.*(x1+x2);
plot(t,y11,'b'); figure; 
y1 = t.*x1+t.*x2;
plot(t,y1,'r')