Hi,

I'm having troubles to understand the example of PCA. How is the simplification of eq 2.55 to eq 2.56?

Eq 2.55:

c^* = argmin_c||x-g(c)||^2_2

Eq 2.56:

(x-g(c))^T(x-g(c))

Thanks for your help,

Cheers.

Read more… (29 words)

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Hi,

I'm having troubles to understand the example of PCA. How is the simplification of eq 2.55 to eq 2.56?

Eq 2.55:

c^* = argmin_c||x-g(c)||^2_2

Eq 2.56:

(x-g(c))^T(x-g(c))

Thanks for your help,

Cheers.

Read more… (29 words)