Projection Of One Vector On Another - HP -22S Owner's Manual

Projection of One Vector on Another
The projection of vector vI =Xli+Ylj on vector V2=X2i+Y2j has the
direction of v
2
and:
where
IV21
is the length of
v2'
Example: Find the projection of 6i +4j on lOi - 2j.
y
(6,4)
'"""""-----'--------x
~I
of
V1
on v2
Keys:
Display:
.1
MODES
I
{DG}
10 . ,
xCOORD I
",=10.0000
2
(+/-1
.1
yCOORD
I
y=-2.0000
.'ANGLEI
8=-11.3099
.1
RADIUS
1
r = 10.1980
'1/x I
0.0981
0[IJ6010[B402
1+/-1 QJ
x52.0000
116 8: Additional Examples
(10,-2)
Description:
Sets Degrees mode.
Stores x and
Y
for
v2'
Calculates () for
v2'
Calculates
IV21.
Calculates
Ijlv21.
XIx2
+
YIY2
=
52.