Verify the triangle inequality and the Cauchy-Schwarz Inequality for u and v from Exercise 25. (Use the inner product given in Exercise 25.) 25. For u = ( 4 , − 3 2 , − 1 ) and v = ( 1 2 , 3 , 1 ) , (a) find the inner product represented by 〈 u , v 〉 = u 1 v 1 + 2 u 2 v 2 + 3 u 3 v 3 and (b) use this inner product to find the distance between u and v .
Verify the triangle inequality and the Cauchy-Schwarz Inequality for u and v from Exercise 25. (Use the inner product given in Exercise 25.) 25. For u = ( 4 , − 3 2 , − 1 ) and v = ( 1 2 , 3 , 1 ) , (a) find the inner product represented by 〈 u , v 〉 = u 1 v 1 + 2 u 2 v 2 + 3 u 3 v 3 and (b) use this inner product to find the distance between u and v .
Solution Summary: The author explains the triangle inequality and the Cauchy-Schwarz Inequality.
Verify the triangle inequality and the Cauchy-Schwarz Inequality for
u
and
v
from Exercise 25. (Use the inner product given in Exercise 25.)
25. For
u
=
(
4
,
−
3
2
,
−
1
)
and
v
=
(
1
2
,
3
,
1
)
, (a) find the inner product represented by
〈
u
,
v
〉
=
u
1
v
1
+
2
u
2
v
2
+
3
u
3
v
3
and (b) use this inner product to find the distance between
u
and
v
.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
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