HP 40gs Manual de usuario descargar pdf (Pagina 373)

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101

Programming 21-25

REPLACE Replaces portion of a matrix or vector stored in name with

an object starting at position start. start for a matrix is a

list containing two numbers; for a vector, it is a single

number. Replace also works with lists and graphics.

REPLACE name;start;object:

SCALE Multiplies the specified row_number of the specified

matrix by value.

SCALE name;value;rownumber:

SCALEADD Multiplies the row of the matrix name by value, then adds

this result to the second specified row.

SCALEADD name;value;row1;row2 :

SUB Extracts a sub-object—a portion of a list, matrix, or

graphic from object—and stores it into name. start and

end are each specified using a list with two numbers for

a matrix, a number for vector or lists, or an ordered pair,

(X,Y), for graphics.

SUB name;object;start;end:

SWAPCOL Swaps Columns. Exchanges column1 and column2 of the

specified matrix.

SWAPCOL name;column1;column2:

SWAPROW Swap Rows. Exchanges row1 and row2 in the specified

matrix.

SWAPROW name;row1;row2:

Print commands

These commands print to an HP infrared printer, for

example the HP 82240B printer.

PRDISPLAY Prints the contents of the display.

PRDISPLAY:

PRHISTORY Prints all objects in the history.

PRHISTORY:

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