Hp Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 183)

Functions and commands 179

With two additional complex numbers as third and fourth

arguments, returns a matrix as described for two arguments,

but only for those roots lying in the rectangular region defined

by the diagonal created by the two complex numbers.

complexroot(Poly, Real, [Complex1], [Complex2])

Example:

complexroot(x^3+8, 0.01) returns

This matrix indicates there is 1 complex root at x=–2,

with another root between the two values in the second

row vector and a third root between the two values in the

third row vector.

contains Given a list or vector and an element, returns the index of the

first occurrence of the element in the list or vector; if the

element does not appear in the list or vector, returns 0.

contains((List, Element) or contains(Vector,

Element)

Example:

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

CopyVar Copies the first variable into the second variable without

evaluation.

CopyVar(Var1,Var2)

correlation Returns the correlation of the elements of a list or matrix.

correlation(List) or correlation(Matrix)

Example:

correlation returns

count There are two uses for this function, in which first argument is

always a mapping of a variable onto an expression. If the

expression is a function of the variable, the function is applied

to each element in the vector or matrix (the second argument)

and the sum of the results is returned; if the expression is a

2– 1

1017 1782 i⋅–

1024

-----------------------------------------

1026 1773 i⋅–

1024

-----------------------------------------

1395 378 i⋅+

512 512 i⋅–

--------------------------------------

189– 702 i⋅+

256 256 i⋅+

---------------------------------------

631⋅

-------------------

1 2 ... 178 179 180 181 182 183 184 185 186 187 188 ... 333 334

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