how do i plot a graph in xy?
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回答（2 个）
Chad Greene
2014-11-5
If you mean y equals x cubed,
1. define an x array:
x = 1:100;
2. calculate y
y = x.^3;
3. plot
plot(x,y)
James Tursa
2014-11-5
Do you mean y = x^3? If so, first pick a range for x, then calculate y, then plot it. E.g.,
x = 0:0.1:3; % From 0 to 3 in increments of 0.1
y = x.^3; % Element-wise power uses .^
plot(x,y)
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2014-11-5
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