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How to plot x^3-4x^2+1 without setting the domain?

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Cassandra Meyer
Cassandra Meyer il 28 Gen 2022
Commentato: Cassandra Meyer il 28 Gen 2022
I need to specifically have matlab do the default domain first without inputting it as the first part of this problem, and my initial thought was to try this but it didn't work. I'm very new to matlab so it could be a simple mistake.
fplot(@(x) x.^3+4x.^2+1)

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Voss
Voss il 28 Gen 2022
Ran in:
"4x" is not a valid expression. "4*x" is.
fplot(@(x) x.^3+4*x.^2+1)

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