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| Title: | Mathematics at DEC |
|
| Moderator: | RUSURE::EDP |
|
| Created: | Mon Feb 03 1986 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2083 |
| Total number of notes: | 14613 |
1183.0. "A problem in linear algebra" by CASCO::XIA (In my beginning is my end.) Mon Jan 22 1990 18:37
Consider an nxn linear equation systems:
Ax = b (1)
t
Prove that equation (1) has solution(s) iff for any vector y in N(A ),
t
b dot y = 0. Here A denotes A transpose and N(T) denotes the null
space of T.
Eugene
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