HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 499)

100

101

propfrac(Fraction) or propfrac(RatFrac)

Example:

propfrac(28/12) gives 2+1/3

ptayl

Given a polynomial P and a value a, returns the Taylor polynomial Q such that P(x)=Q(x – a).

ptayl(Poly, Value, [Var])

Example:

ptayl(x^2+2*x+1,1) gives x^2+4*x+4

purge

Unassigns a variable name in CAS view.

For example, if f is dened, then purge(f) deletes that denition and returns f to a symbolic state.

purge(Var)

Q2a

Given a quadratic form and a vector of variables, returns the matrix of the quadratic form with respect to the

given variables.

q2a(Expr, Vector)

Example:

q2a(x^2+2*x*y+2*y^2,[x,y]) returns

quantile

Given a list or vector, and a quantile value between 0 and 1, returns the corresponding quantile of the

elements of the list or vector.

quantile(List, Value) or quantile(Vector, Value)

Example:

quantile([0,1,3,4,2,5,6],0.25) returns 1

quartile1

Given a list or vector, returns the rst quartile of the elements of the list or vector. Given a matrix, returns the

rst quartile of the columns of the matrix.

quartile1(List) or quartile1(Vector) or quartile1(Matrix)

Example:

quartile1([1,2,3,5,10,4]) gives 2

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