HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 320)

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as columns in the resulting matrix. The following figure shows the RPN stack

before and after using function COL.

Function COL+

Function COL+ takes as argument a matrix, a vector with the same length as

the number of rows in the matrix, and an integer number n representing the

location of a column. Function COL+ inserts the vector in column n of the

matrix. For example, in ALG mode, we’ll insert the second column in matrix A

with the vector [-1,-2,-3], i.e.,

In RPN mode, enter the matrix first, then the vector, and the column number,

before applying function COL+. The figure below shows the RPN stack before

and after applying function COL+.

Function COL-

Function COL- takes as argument a matrix and an integer number representing

the position of a column in the matrix. Function returns the original matrix

minus a column, as well as the extracted column shown as a vector. Here is

an example in the ALG mode using the matrix stored in A:

1 2 ... 315 316 317 318 319 320 321 322 323 324 325 ... 863 864

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