Why is my graph coming out blank when i try and plot this code?
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x=[0.1:0.1:5];
y=(sin(x))/x;
figure(2)
grid on
plot(x,y)
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回答(2 个)
Brian Hart
2019-2-23
It's an error in your calcuation of y. Check the size and you'll see it's coming out as a scalar. Replace "/" with "./", since you want element-wise division.
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Star Strider
2019-2-23
Because you are calculating a single point.
If you use element-wise division here (using ./ rather than /), you get the plot you expect:
x=[0.1:0.1:5];
y=(sin(x))./x;
figure(2)
grid on
plot(x,y)
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