ENG  RUSTimus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
back to board

Discussion of Problem 1042. Central Heating

Please give me a test with"No Solution"
Posted by Yrii 15 Feb 2002 03:21
Re:
Posted by Ivan Georgiev 15 Feb 2002 23:17
There is always a solution and it is always only one --

you have n linear independent vectors (that is the determinant of the
linear system is <> 0) and using Cramer's rule you have a single
solution.
Re: Please give me a test with"No Solution"
Posted by Yrii 16 Feb 2002 01:26
Ok
I understand that but i decided that there are bugs in my proof
so ...
Re:
Posted by Vinicius Fortuna 7 Mar 2002 00:54
But they are modular equations. Is Cramer's rule still valid for such
equations?

> There is always a solution and it is always only one --
>
> you have n linear independent vectors (that is the determinant of
the
> linear system is <> 0) and using Cramer's rule you have a single
> solution.
Re: Please give me a test with"No Solution"
Posted by cyc 17 Jul 2010 19:16
3
1 2 -1
2 3 -1
2 3 -1

Edited by author 17.07.2010 19:16

Edited by author 17.07.2010 19:16
Re: Please give me a test with"No Solution"
Posted by elManco 18 Nov 2021 20:39
3
1 -1
1 2 -1
2 -1