HP Prime Graphing Wireless Calculator Manuel d'utilisateur télécharger pdf (Page 481)

100

101

function_diff(sin) gives (_x)→cos(_x)

gammad

Gamma probability density function. Computes the probability density of the gamma distribution at x, given

parameters a and t.

gammad(a, t, x)

Example:

gammad(2.2,1.5,0.8) returns 0.510330619114

gammad_cdf

Cumulative gamma distribution function. Returns the lower-tail probability of the gamma probability density

function for the value x, given parameters a and t. With the optional fourth argument x

, returns the area

between the two x-values.

gammad_cdf(a,t,x,[x

])

Examples:

gammad_cdf(2,1,2.96) returns 0.794797087996

gammad_cdf(2,1,2.96,4) returns 0.11362471756

gamma_icdf

Inverse cumulative gamma distribution function. Returns the value x such that the gamma lower-tail

probability of x, given parameters a and t, is p.

gammad_icdf(a,t,p)

Example:

gammad_icdf(2,1,0.95) returns 4.74386451839

gauss

Given an expression followed by a vector of variables, uses the Gauss algorithm to return the quadratic form

of the expression written as a sum or dierence of squares of the variables given in the vector.

gauss(Expr,VectVar)

Example:

gauss(x^2+2*a*x*y,[x,y]) gives (a*y+x)^2+(- y^2)*a^2

Creates a Galois Field of characteristic p with p^n elements.

GF(Integerp, Integern)

Example:

GF(5,9) gives GF(5,k^9-k^8+2*k^7+2*k^5-k^2+2*k- 2,[k,K,g],undef)

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HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 481

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