HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 487)

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lgcd

Returns the greatest common divisor of a set of integers or polynomials, contained in a list, a vector, or just

entered directly as arguments.

lgcd(List) or lgcd(Vector) or lgcd(Integer1, Integer2, …) or lgcd(Poly1,

Poly2, …)

Example:

lgcd([45,75,20,15]) gives 5

lin

Returns an expression with the exponentials linearized.

lin(Expr)

Example:

lin((exp(x)^3+exp(x))^2) gives exp(6*x)+2*exp(4*x)+exp(2*x)

linear_interpolate

Takes a regular sample from a polygonal line dened by a matrix of two rows.

linear_interpolate(Matrix,Xmin,Xmax,Xstep)

Example:

linear_interpolate([[1,2,6,9],[3,4,6,7]],1,9, 1) returns

[[1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0], [3.0,4.0,4.5,5.0,5.5,6.0,6.33333333333,6.6666 6666667,7.0]

linear_regression

Given a set of points, returns a vector containing the coeicients a and b of y=a*x+b, the linear which best ts

the set of points. The points may be the elements in two lists or the rows of a matrix.

linear_regression(Matrix) or linear_regression(List1, List2)

Example:

linear_regression returns [1.53…, 0.769…]

LineHorz

Used in the Symbolic view of the Geometry app. Given a real number a or an expression that evaluates to a

real number a, draws the horizontal line y=a.

LineHorz(Exp) or LineHorz(Real)

Example:

LineHorz(-1) draws the line which has the equation y = -1

LineTan

Draws the line tangent to f(Var) at Var=Value.

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