HP NW280AAABA Uživatelský manuál stáhnout pdf (Strana 420)

100

101

414 Functions and commands

rowAdd Given a matrix and two integers, returns the matrix obtained

from the given matrix after the row indicated by the second

integer is replaced by the sum of the rows indicated by the

two integers.

rowAdd(Matrix, Integer1, Integer2)

Example:

rowAdd returns

rowDim Returns the number of rows of a matrix.

rowDim(Matrix)

Example:

rowDim gives 2

rowSwap Given a matrix and two integers, returns the matrix obtained

from the given matrix after swapping the two rows indicated

by the two integers.

rowSwap(Matrix,Integer1,Integer2)

Example:

rowSwap returns

rsolve Given an expression defining a recurrence relation, a

variable, and an initial condition, returns the closed form

solution (if possible) of the recurrent sequence. Given three

lists, each containing multiple items of the above nature,

solves the system of recurrent sequences.

rsolve(Expr, Var, Condition) or rsolve(List1,

List2, List3)

Example:

rsolve(u(n+1)=2*u(n)+n,u(n),u(0)=1) returns

[-n+2*2

-1]

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