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I am reading "Optimal Separating Hyperplane" section of the book - Elements of Statistical Learning which is described on page 132 as follows:

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My questions:

  1. The constraint $||\beta|| = 1$ is removed from eq. 4.45 by introducing $1/||\beta||$ in eq. 4.46. How did this happens? I mean what is the mathematical logic for this?

  2. What is the mathematical logic of setting $||\beta|| = 1/M$ in eq. 4.48?

Deepak Tatyaji Ahire
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  • Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. – Community Feb 22 '23 at 04:38

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