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Using the Action Menu

ucolNorm

Function: Calculates the sums of the absolute values of the elements of each column of a matrix, and returns the maximum value of the sums.

Syntax: colNorm (Mat [ ) ]

Example: To calculate the sums of the absolute values of the elements in each column of the matrix [[1, –2, 3][4, –5, –6][–7, 8, 9]], and obtain the maximum value of the sums

Menu Item: [Action][Matrix-Calculation]

[colNorm]

Using the Vector Submenu

The [Vector] submenu contains commands that are related to vector calculations.

•A vector is handled as a 1 ⋅ N matrix or N ⋅ 1 matrix.

•A vector in the form of 1 ⋅ N can be entered as [……] or [[……]]. Example: [1, 2], [[1, 2]]

•Vectors are considered to be in rectangular form unless ∠() is used to indicate an angle measure.

20021201