Plotting a function inside a m-file?

2012 10 10
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Razvan
Razvan 2012-10-10

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Function f2 returns only a number... Probably you want a vector, with one element for each element of x. In this case use
function F = f2(x)
F = 2*(x.^4)-3*(x.^2)+x-7;
end

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