Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 397)

100

101

Functions and commands 393

icosahedron Draws an icosahedron with center A, vertex B and such that

the plane ABC contains one vertex among the five nearest

vertices from B.

icosahedron(Pnt(A),Pnt(B),Pnt(C))

id Returns the solution to the identity function for an expression.

id(Seq)

Example:

id(1,2,3) gives 1,2,3

identity Returns the identity matrix of dimension n.

identity(Intg(n))

Example:

identity(3) gives [[1,0,0],[0,1,0],[0,0,1]]

iegcd Returns the extended greatest common divisor of two integers.

iegcd(Intg,Intg)

Example:

iegcd(14, 21) returns [-1, 1, 7]

IF Used in programming to begin a conditional statement.

IFERR Executes sequence of commands1. If an error occurs during

execution of commands1, execute sequence of commands2.

Otherwise, execute sequence of commands3.

IFERR commands1 THEN commands2 [ELSE

commands3] END;

IFTE If a condition is satisfied, returns Expr1, otherwise returns

Expr2.

IFTE(Cond,Expr1,Expr2)

Example:

IFTE(2<3, 5-1, 2+7) returns 4

igcd Returns the greatest common divisor of two integers or two

rationals or two polynomials of several variables.

igcd((Intg(a) or Poly),(Intg(b) or Poly))

Example:

igcd(24, 36) returns 12

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 397

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