... | ... | @@ -31,8 +31,10 @@ The first step of the process is to figure out the row wise mean values for all |
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```math
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\overline{x}= 1/N \sum_{n=1}^{N} x_{n}
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```
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\overline{X}= \begin{bmatrix} 1 \\ . \\ 1 \end{bmatrix} \overline{x}
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```math
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\overline{X}= \begin{bmatrix} 1 \\ . \\ . \\ 1 \end{bmatrix} \overline{x}
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```
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Then, we used the mean values of the feautres to re-center it around zero:
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