Derivative 指令

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Derivative[ <Function> ]
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Derivative[ <Function>, <Number> ]
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Derivative[ <Curve> ]
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Derivative[ <Curve>, <Number> ]
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CAS 視窗

Derivative[ <Function> ]
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Derivative[ <Function> ]
Returns the derivative of the function.
Derivative[ <Function>, <Number n> ]
Returns the nth derivative of the function.
Derivative[ <Curve> ]
Returns the derivative of the curve.
備註: It only works for parametric curves.
Derivative[ <Curve>, <Number n> ]
Returns the nth derivative of the curve.
備註: It only works for parametric curves.
備註: You can use f'(x) instead of Derivative[f], or f''(x) instead of Derivative[f, 2], and so on.

CAS Syntax

In CAS View only following syntax is supported:

Derivative[ <Expression f> ]
Returns derivative of f with respect to x.
範例:
Derivative[x^2] yields 2 x.
範例:
Derivative[a x^3] yields 3 a x2.
Derivative[ <Expression f>, <Variable a> ]
Returns derivative of f with respect to a.
範例:
Derivative[a x^3, a] yields x3.
Derivative[ <Expression f>, <Variable a>, <Number n> ]
Returns the nth derivative of f with respect to a.
範例:
Derivative[a x^3, x, 2] yields 6 a x.
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