User Guide

20050501
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u dim
Function: Returns the dimension of a vector.
Syntax: dim (Mat [ ) ]
Example: To determine the dimension of the vector [1, 2, 3]
Menu Item: [Action][Vector][dim]
• The vector [1,2,3] is handled as a 1 × 3 matrix.
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u crossP
Function: Returns the cross product of two vectors.
Syntax: crossP (Mat-1, Mat-2 [ ) ]
• This command can be used with a 1 × N or N × 1 matrix only (N = 2, 3).
•A two-element matrix [a, b] or [[a], [b]] is automatically converted into a three-element
matrix [a, b, 0] or [[a], [b], [0]].
Example: To obtain the cross product of the two vectors [1, 3, 5] and [2, 4, 6]
Menu Item: [Action][Vector][crossP]
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u dotP
Function: Returns the dot product of two vectors.
Syntax: dotP (Mat-1, Mat-2 [ ) ]
• This command can be used with a 1 × N or N × 1 matrix only.
Example: To obtain the dot product of the two vectors [1, 3, 5] and [2, 4, 6]
Menu Item: [Action][Vector][dotP]
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u norm
Function: Returns the norm of a vector.
Syntax: norm (Mat [ ) ]
Example: To obtain the norm of the vector [1, 2, 3]
Menu Item: [Action][Vector][norm]
2-7-37
Using the Action Menu