I want to know the tricks/shortcuts to find,

Rank,

eigen values,

inverse,

determinant,

of a matrix, ....... I know such type of tricks/shortcuts exists but what they are ?

Please help me i am in a greate need of that...

Thanks

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- Jul 5th 2010, 04:28 PMaashishmathmatrix algebra shortcut methods
I want to know the tricks/shortcuts to find,

Rank,

eigen values,

inverse,

determinant,

of a matrix, ....... I know such type of tricks/shortcuts exists but what they are ?

Please help me i am in a greate need of that...

Thanks - Jul 5th 2010, 04:32 PMAlso sprach Zarathustra
No shortcuts, only theory!

- Jul 5th 2010, 08:36 PMaashishmath
Oh not at all the shortcuts exsists - I have seen it.

Please help me. - Jul 6th 2010, 07:16 AMwonderboy1953
- Jul 6th 2010, 04:33 PMAnonymous1
$\displaystyle A^{-1} = \left[\begin{array}{ccc} a&b \\ c&d\end{array}\right]^{-1}=\frac{1}{ad-bc}\left[\begin{array}{ccc} d&-b \\ -c&a\end{array}\right]$

I can show you how to do all those very quickly in the TI also.