How to plot a trinomial graph
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Im having trouble plotting a trinomial graph, for the function y = x^3. I wrote out the function and tried the plot command but it wont work really.
回答（1 个）
Are Mjaavatten
2021-2-22
编辑：Are Mjaavatten
2021-2-22
fun = @(x) x^3;
fplot(fun,[-3,3])
Alternatively:
x = linspace(-3,3);
plot(x,x.^3); % Note the use of .^, for element by element operation as opposed to matrix operation
Please type
doc fplot
doc linspace
doc plot
for more details.
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2021-2-22
2021-2-22
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