2012

Numeric Expressions
Numeric expressions are real integer numbers and functions combined with
the operators in the following table.
Numeric operators
OperationOperator
Groups expressions( )
Indicates exponentiation^
Multiplies, divides* , /
Adds, subtracts+, -
The following are examples of numeric expressions:
3
3 + 0.6
(5.8^2) + PI
Vector Expressions
A vector expression is a collection of points, vectors, numbers, and functions
combined with the operators in the following table.
Vector operators
OperationOperator
Groups expressions( )
Determines the vector product of vectors (as a vector)&
[a,b,c]&[x,y,z] = [ (b*z) - (c*y) , (c*x) - (a*z) , (a*y) - (b*x) ]
Determines the scalar product of vectors (as a real number)*
[a,b,c]*[x,y,z] = ax + by + cz
162 | Chapter 2 Commands