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12-10 Matrices

About commands Matrix commands are listed in the CMDS menu (>6+,)7@

CMDS), in the matrix category.

See “Matrix commands” on page 15-23 for details of the

matrix commands available for use in programming.

Functions differ from commands in that a function can be

used in an expression. Commands cannot be used in an

expression.

Argument conventions

•For row# or column#, supply the number of the row

(counting from the top, starting with 1) or the number of

the column (counting from the left, starting with 1).

• The argument matrix can refer to either a vector or a

matrix.

Matrix functions

COLNORM Column Norm. Finds the maximum value (over all columns)

of the sums of the absolute values of all elements in a column.

COLNORM(matrix)

COND Condition Number. Finds the 1-norm (column norm) of a

square matrix.

COND(matrix)

CROSS Cross Product of vector1 with vector2.

CROSS(vector1, vector2)

DET Determinant of a square matrix.

DET(matrix)

DOT Dot Product of two arrays, matrix1 matrix2.

DOT(matrix1, matrix2)

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HP 39g Graphing Calculator Betriebsanweisung Seite 182