I am trying to graph a function over time, but im struggling to code this.

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Josh
Josh 2025-3-7
回答： Walter Roberson 2025-3-7
This is the code i am using
g = 2.4*exp(-t)-2.4*cos(2*t)+4.4*sin(2*t)+10*t*cos(2*t)+72*t*sin(2*t);
fplot(g,[0,10]);
This is the error message
Error in Problem_4_Ans (line 4)
g = 2.4*exp(-t)-2.4*cos(2*t)+4.4*sin(2*t)+10*t*cos(2*t)+72*t*sin(2*t);
^

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采纳的回答

Walter Roberson
Walter Roberson 2025-3-7
Ran in:
Two different approaches:
g = @(t) 2.4*exp(-t)-2.4*cos(2*t)+4.4*sin(2*t)+10*t*cos(2*t)+72*t*sin(2*t);
fplot(g,[0,10]);
Warning: Function behaves unexpectedly on array inputs. To improve performance, properly vectorize your function to return an output with the same size and shape as the input arguments.
●
syms t
g = 2.4*exp(-t)-2.4*cos(2*t)+4.4*sin(2*t)+10*t*cos(2*t)+72*t*sin(2*t);
fplot(g,[0,10]);

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