Differentiating a symbolic function
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i want to differentiate f=@(x)x^3-4*x^2+x+6; how can i do this? how i can find f'(x)?
回答（2 个）
KSSV
2017-3-24
syms x
f=x^3-4*x^2+x+6;
df = diff(f)
Roger Stafford
2017-3-24
0 个投票
Express your function in symbolic form and use ‘diff’.
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2017-3-24
2017-3-24
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