I got stuck with the when trying to plot using ezplot

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Duy Dang
Duy Dang 2020-11-1
评论： Ameer Hamza 2020-11-2
clc;
clear all;
close all;
syms x w
X = (sin(w))/w;
X1 = ifourier(X)
x = -10:0.01:10;
X1 = -(pi*heaviside(x - 1) - pi*heaviside(x + 1))/(2*pi);
figure (1)
ezplot (X1,[-10 10]);
title ('ezplot');
figure (2)
plot(x,X1);
title ('plot');
Hi, I'm new to Matlab since I want to plot the inverse Fourier transform of the signal X(ω) = sin(ω)/ ω using both plot and ezplot, I got the plot part but the ezplot keep giving the error that ' Input must be a character vector expression, function name, function handle, or INLINE object.' Please help

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回答（1 个）

Ameer Hamza
Ameer Hamza 2020-11-1
There are some mistakes in your code. Check the following code
clc;
clear all;
close all;
syms x w
X = (sin(w))/w;
X1 = ifourier(X);
x = -10:0.01:10;
X2 = -(pi*heaviside(x - 1) - pi*heaviside(x + 1))/(2*pi);
figure (1)
ezplot (X1,[-10 10]);
title ('ezplot');
figure (2)
plot(x,X2);
title ('plot');
Note, ezplot() is depreciated. It is better to replace it with fplot().
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