Let
v
1
,
v
2
, . . .,
v
k
be vectors in R
n
.
A vector
v
is called a linear
combination of
v
1
,
v
2
, . . .,
v
k
if
v
=
c
1
v
1
+ c
2
v
2
+ . . .
+ c
k
v
k
for some scalars (i.e. real numbers)
c
1
,
c
2
, . . .,
c
k
→
→
→
→
→ →
→
→
→
→
→
Sec 4.2
Saturday, February 06, 2010
11:14 PM
Section4dot2 Page 1

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