Graphics Programs Reference
In-Depth Information
Problem 11
(a)
rank(A1)
ans =
3
rank(A2)
ans =
2
rank(A3)
ans =
4
rank(A4)
ans =
2
MATLAB implicitly assumes
ad
−
bc
=
0 here.
(b)
Only the second one computed is singular.
(c)
det(A1)
inv(A1)
ans =
92
ans =
0.4239
-0.3696
0.4674
0.0543
-0.0217
-0.1196
-0.0978
0.2391
-0.1848
det(A2)
Search WWH ::
Custom Search