HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 507)

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spline

Given two lists or vectors (one for the x-values and one for the y-values), as well as a variable and an integer

degree, returns the natural spline through the points given by the two lists. The polynomials in the spline are

in terms of the given variable and are of the given degree.

spline(ListX, ListY, Var, Integer) or spline(VectorX, VectorY, Var,

Integer)

Example:

spline({0,1,2},{1,3,0},x,3) returns

sqrfree

Returns the factorization of the argument, gathering the terms with the same exponent.

sqrfree(Expr)

Example:

sqrfree((x-2)^7*(x+2)^7*(x^4-2*x^2+1)) returns (x^2-1)^2*(x^2-4)^7

sqrt

Returns the square root of an expression.

sqrt(Expr)

Example:

sqrt(50) gives 5*sqrt(2)

srand

Returns an integer and initializes the sequence of random numbers for CAS-based functions that generate

random numbers.

srand or srand(Integer)

stddev

Returns the standard deviation of the elements of a list or a list of the standard deviations of the columns of a

matrix. The optional second list is a list of weights.

stddev(List1, [List2]) or stddev(Vector1, [Vector2]) or stddev(Matrix)

Example:

stddev({1,2,3}) returns

stddevp

Returns the population standard deviation of the elements of a list or a list of the population standard

deviations of the columns of a matrix. The optional second list is a list of weights.

stddevp(List1, [List2]) or stddevp(Vector1, [Vector2]) or stddevp(Matrix)

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