I try this coding but it's say plot error..what wrong with my coding?

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Muhammad Harriz Bin Zamri
回答： Dyuman Joshi 2022-5-16
clear; clc;
syms t; f=exp(t)*sin(3*t); diff (f) c=0.003; I=c*diff(f);
figure; plot(t,I); grid; xlabel('time'); ylabel('current'); title('current vs time');

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Dyuman Joshi
Dyuman Joshi 2022-5-16
Ran in:
Use fplot to plot symbolic expressions
syms t
f=exp(t)*sin(3*t);
c=0.003; I=c*diff(f);
figure;
fplot(I);
grid;
xlabel('time'); ylabel('current'); title('current vs time');

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