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Page 8-5
Simple operations with vectors
To illustrate operations with vectors we will use the vectors u2, u3, v2, and
v3, stored in an earlier exercise. Also, store vector A=[-1,-2,-3,-4,-5] to be
used in the following exercises.
Changing sign
To change the sign of a vector use the key \, e.g.,
Addition, subtraction
Addition and subtraction of vectors require that the two vector operands
have the same length:
Attempting to add or subtract vectors of different length produces an error
message:
SG49A.book Page 5 Friday, September 16, 2005 1:31 PM