Andy Long
of example #12, p. 876.
where I went with the two vectors
and
in class.
These two orthogonal vectors form a new coordinate system whose normal vector
can be taken to be (this is sometimes called the
eye vector: it is as if we are staring at the origin down the vector
).
The coordinates (1) above are given with respect to the vectors
and
.
and
.
That is, use the STO button to store these values to the variables: