Re: determinants
From: Robin Chapman (rjc_at_ivorynospamtower.freeserve.co.uk)
Date: 10/03/04
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Date: Sun, 03 Oct 2004 17:58:46 +0100
Ryan Reich wrote:
> On Sunday 03 October 2004 8:32, José Carlos Santos wrote:
>
>> Pieter Bonte wrote:
>>
>>> How can you easily solve a 5x5 determinant ?
>>> e.g.:
>>>
>>> | 5 2 4 1 0 |
>>> | 0 2 3 5 8 |
>>> | 7 1 2 0 0 | = ?
>>> | 0 5 0 0 2 |
>>> | 6 9 2 4 5 |
>>
>> Using some software, such as Mathematica or Maple.
>>
>> Best regards,
>>
>> Jose Carlos Santos
>
> Such laziness...it is also not especially difficult simply to
> upper-triangularize the thing with row operations and multiply the
> resulting diagonal entries. And this one has so many zeroes it should be
> even easier.
>
You do it then!
-- Robin Chapman, www.maths.ex.ac.uk/~rjc/rjc.html "Lacan, Jacques, 79, 91-92; mistakes his penis for a square root, 88-9" Francis Wheen, _How Mumbo-Jumbo Conquered the World_
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