HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 496)

100

101

plotinequation

Shows the graph of the solution of inequations with 2 variables.

plotinequation(Expr,[x=xrange,y=yrange],[xstep],[ystep])

polar_point

Given the radius and angle of a point in polar form, returns the point with rectangular coordinates in complex

form.

polar_point(Radius, Angle)

Example:

polar_point(2, π/3) returns point

pole

Given a circle and a line, returns the point for which the line is polar with respect to the circle.

pole(Crcle,Line)

Example:

pole(circle(0, 1), line(1+i, 2)) returns point(1/2,1/2)

POLYCOEF

Returns the coeicients of a polynomial with roots given in the vector or list argument.

POLYCOEF(Vector) or POLYCOEF(List)

Example:

POLYCOEF({-1, 1}) returns {1, 0, -1}

POLYEVAL

Given a vector or list of coeicients and a value, evaluates the polynomial given by those coeicients at the

given value.

POLYEVAL(Vector, Value) or POLYEVAL(List, Value)

Example:

POLYEVAL({1,0,-1},3) returns 8

polygon

Draws the polygon whose vertices are elements in a list.

polygon(Point1, Point2, …, Pointn)

Example:

polygon(GA,GB,GD) draws ΔABD

448 Chapter 22 Functions and commands

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