# Writing Some Special Matrices in LaTeX

I've to write the following matrices in LaTex.

Any help in this regard will be highly appreciated.

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Take a look at tex.stackexchange.com/questions/40/… and tex.stackexchange.com/questions/3409/… for some closely related questions that have already been answered here. –  Andrew Stacey Apr 12 '11 at 8:30

## migrated from stats.stackexchange.comApr 12 '11 at 5:33

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$$\bordermatrix{&c_1&c_2&c_3\cr r_1&t_{11}&t_{12}&t_{13}\cr r_2&t_{21}&t_{22}&t_{23}\cr r_3&t_{31}&t_{32}&t_{33}\cr}$$