HP Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 506)

100

101

shift

Given a list or vector and an integer n, moves the elements of that list or vector either n places to the left, if

n>0, or n places to the right, if n<0. If no integer is provided, n=-1 by default and all elements are moved one

place to the left.

Elements that move o the list to one side are replaced by 0 on the opposite side.

Given a rst integer and a second integer n, moves the rst integer bitwise either n bits to the left, if n>0, or n

bits to the right, if n<0.

shift(list, integer) or shift(vector, integer) or shift(integer1, integer2)

Example:

shift({1,2,3},2) returns {3, 0, 0}

shift_phase

Returns the result of applying a phase shift of pi/2 to a trigonometric expression.

shift_phase(Expr)

Example:

shift_phase(sin(x)) gives -cos((pi+2*x)/2)

signature

Returns the signature of a permutation.

signature(Vector)

Example:

signature([2 1 4 5 3]) returns –1

simult

Returns the solution to a system of linear equations or several systems of linear equations presented in

matrix form. In the case of one system of linear equations, takes a matrix of coeicients and a column matrix

of constants, and returns the column matrix of the solution.

simult(Matrix1, Matrix2)

Example:

simult returns

sincos

Returns an expression with the complex exponentials rewritten in terms of sin and cos.

sincos(Expr)

Example:

sincos(exp(i*x)) gives cos(x)+(i)*sin(x)

458 Chapter 22 Functions and commands

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