Hp Prime Graphing Wireless Calculator Manual de usuario descargar pdf (Pagina 139)

100

101

Functions and commands 135

Degree Returns the degree of a polynomial.

degree(Poly)

Example:

degree(x^3+x) gives 3

Factor by Degree For a given polynomial in x of degree n, factors out x

and

returns the resulting product.

factor_xn(Poly)

Example:

factor_xn(x^4-1) gives x^4*(1-x^-4)

Coef. GCD Returns the greatest common divisor (GCD) of the coefficients

of a polynomial.

content(Poly,[Var])

Example:

content(2*x^2+10*x+6) gives 2

Zero Count If a and b are real, this returns the number of sign changes in

the specified polynomial in the interval [a,b]. If a or b are non-

real, it returns the number of complex roots in the rectangle

bounded by a and b. If Var is omitted, it is assumed to be x.

sturmab(Poly[,Var],a,b)

Examples:

sturmab(x^2*(x^3+2),-2,0) returns 1

sturmab(n^3-1,n,-2-i,5+3i)

returns 3

Chinese

Remainder

Given two matrices whose two rows each contain the

coefficients of polynomials, returns the Chinese remainder of

the polynomials, also written as a matrix.

chinrem(Matrix1,Matrix2)

Example:

chinrem returns

[[2 2 1] [1 1 2 1 1]]

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Hp Prime Graphing Wireless Calculator Manual de usuario Pagina 139

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