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**Simplictic** Dear all,

I want to understand a certain algorithm and then try to implement it, but I come across some mathematical notations which make me sick!

I therefore need help to understand how the following matrix of indexed function f evolves.

$\displaystyle \left[\begin{array}{c}f_{\alpha - k_{1} + e_{d},1}, \dots ,f_{\alpha + k_{1} + e_{d},1}\\ .\\.\\.\\f_{\alpha - k_{l} + e_{d},L}, \dots ,f_{\alpha + k_{l} + e_{d},L} \end{array}\right]$

where $\displaystyle \alpha, k_{l} \in \mathbb{Z}^{D}$ ; $\displaystyle l = 1, \dots , L; \ d = 1, \dots , D $ and $\displaystyle e_{d}$ is the canonical vector.$\displaystyle \\$NB. I'm using TEX to wrap the matrix but still I see <br/>; any one who knows how to fix this is welcome to help!