Normal 指令

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Normal[ <Mean>, <Standard Deviation>, x ]
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Normal[ <Mean>, <Standard Deviation>, x, <Boolean Cumulative>]
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Normal[ <Mean>, <Standard Deviation>, <Variable Value> ]
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CAS 視窗

Normal[ <Mean>, <Standard Deviation>, x ]
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Normal[ <Mean μ>, <Standard Deviation σ>, <x> ]
Creates probability density function (pdf) of normal distribution.
Normal[ <Mean μ>, <Standard Deviation σ>, <x>, <Boolean Cumulative> ]
If Cumulative is true, creates cumulative distribution function of normal distribution, otherwise creates pdf of normal distribution.
Normal[ <Mean μ>, <Standard Deviation σ>, <Variable Value v> ]
Calculates the function Φ((x – μ) / σ) at v where Φ is the cumulative distribution function for N(0,1).
備註: Returns the probability for a given x-coordinate's value (or area under the normal distribution curve to the left of the given x-coordinate).

CAS Syntaxes

In CAS View only following syntax is supported:

Normal[ <Mean μ>, <Standard Deviation σ>, <Variable Value x> ]
Calculates the function Φ((x – μ) / σ) where Φ is the cumulative distribution function for N(0,1).
範例:
Normal[2, 0.5, 1] yields 0.5 erf(-\sqrt{2}) + 0.5.
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