2-7-35

Using the Action Menu

uaugment

Function: Returns an augmented vector [Mat-1 Mat-2].

Syntax: augment (Mat-1, Mat-2 [ ) ]

Example: To augment vectors [1, 2] and [3, 4]

Menu Item: [Action][Vector][augment]

ufill

Function: Creates a vector that contains a specific number of elements, or replaces the elements of a vector with a specific expression.

Syntax: fill (Exp, Mat [ ) ]

fill (Exp, 1, number of columns [ ) ]

Example: To replace the elements of the vector [1, 2] with x

Menu Item: [Action][Vector][fill]

Example: To create a 1 3 (1 row, 3 columns) vector, all of whose elements are “3”

Menu Item: [Action][Vector][fill]

utoRect

Function: Returns an equivalent rectangular form [x y] or [x y z].

Syntax: toRect (Mat [,natural number] [ ) ]

This command can be used with a 1 N or N 1 matrix only (N = 2, 3).

This command returns “x” when “natural number” is 1, “y” when “natural number” is 2, and “z” when “natural number” is 3.

This command returns a rectangular form when you omit “natural number”.

Example: To transform the polar form [ 2 , (π/4)] into an equivalent rectangular form (in the Radian mode)

Menu Item: [Action][Vector][toRect]

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