Differentiating a symbolic function

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Md Monirul Islam
Md Monirul Islam 2017-3-24
回答： Roger Stafford 2017-3-24
i want to differentiate f=@(x)x^3-4*x^2+x+6; how can i do this? how i can find f'(x)?

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回答（2 个）

KSSV
KSSV 2017-3-24
syms x
f=x^3-4*x^2+x+6;
df = diff(f)
Roger Stafford
Roger Stafford 2017-3-24
Express your function in symbolic form and use ‘diff’.

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