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Old October 10th, 2008, 09:02 PM
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Chris L T521 Chris L T521 is offline
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Quote:
Originally Posted by watchmath View Post
In my opinion people won't response your question. The main reason is that it is messy to right matrix in latex.
That is a possibility...but there is a neat way of creating matrices without using

Code:
\left[\begin{array}{cccc} [insert matrix here] \end{array}\right]
You can use

Code:
\begin{bmatrix} [insert matrix entries here] \end{bmatrix}
This saves me a lot of time.

For example, instead of using

Code:
\left[\begin{array}{cccc} 1&0&0&0\\0&1&0&0\\0&0&1&0\\0&0&0&1 \end{array}\right]
to generate \left[\begin{array}{cccc} 1&0&0&0\\0&1&0&0\\0&0&1&0\\0&0&0&1 \end{array}\right], you can use

Code:
\begin{bmatrix}1&0&0&0\\0&1&0&0\\0&0&1&0\\0&0&0&1 \end{bmatrix
to generate \begin{bmatrix} 1&0&0&0\\0&1&0&0\\0&0&1&0\\0&0&0&1 \end{bmatrix}

Quote:
The second one elimination problem is kind of routine so no body has no interest to answer.
It may be this, or just that using eliminations on this will lead to ugly looking fraction elements!!! [as seen in my response to part a)]

--Chris
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Last edited by Chris L T521; October 10th, 2008 at 09:12 PM. Reason: included example of code...
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