HP 39gII, Руководство пользователя

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272 Programming
matrix that was edited,
EDITMAT
cannot be used as an
argument to other matrix commands.
RANDMAT Syntax:
RANDMAT
( name, rows, columns )
Creates random matrix with a specified number of rows
and columns and stores the result in name ( name must be
M0...M9). The entries will be integers ranging from -99
to 99.
REDIM Syntax:
REDIM
( name, size )
Redimensions the specified matrix ( name ) or vector to
size . For a matrix, size is a list of two integers ( n1,n2 ). For
a vector, size is a list containing one integer ( n ). Existing
values in the matrix are preserved. Fill values will be 0.
REPLACE Syntax:
REPLACE
( name, start, object )
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.
SCALE Syntax:
SCALE
( name, value, rownumber )
Multiplies the specified row_number of the specified
matrix by value .
SCALEADD Syntax:
SCALEADD
( name, value, row1, row2 )
Multiplies the specified row1 of the matrix ( name) by
value , then adds this result to the second specified row2
of the matrix ( name) .
SUB Syntax:
SUB
( name, object, start, end )
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.
SWAPCOL Syntax:
SWAPCOL
( name, column1, column2 )
Swaps columns. Exchanges column1 and column2 of the
specified matrix ( name ).
SWAPROW Syntax:
SWAPROW
( name, row1, row2 )
Swap Rows. Exchanges row1 and row2 in the specified
matrix ( name ).