HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 495)

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pade

Returns the Pade approximation of an expression, i.e. a rational fraction P/Q such that P/Q=Expr mod x^(n+1)

or mod N with degree(P)<p.

pade(Expr, Var, Integern, Integerp)

Example:

pade(exp(x), x, 5, 3) returns

part

Returns the nth subexpression of an expression.

part(Expr, Integer)

Examples:

part(sin(x)+cos(x),1) returns sin(x)

part(sin(x)+cos(x),2) returns cos(x)

peval

Given a polynomial dened by a vector of coeicients, and a real value n, evaluates the polynomial at that

value.

peval(Vector, Value)

Example:

peval([1,0,-2],1) returns -1

Inserts π.

PIECEWISE

Used to dene a piecewise-dened function. Takes as arguments pairs consisting of a condition and an

expression. Each of these pairs denes a sub-function of the piecewise function and the domain over which it

is active.

PIECEWISE

Example:

PIECEWISE

Note that the syntax varies if the Entry setting is not set to Textbook:

PIECEWISE(Case1, Test1, ...[ Casen, Testn])

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