Timeline for Why are the Lagrange multipliers sparse for SVMs?
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5 events
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| Dec 20, 2022 at 13:15 | comment | added | MotiNK | That is correct. Points on the margin may have $\alpha \in [0,C]$ - this is generally the "shadow price" of the constraint. | |
| Dec 14, 2022 at 16:23 | comment | added | Antonios Sarikas | According to the fifth (red box) constrained, $a_i = 0$ ONLY IF (not iff) $g_i(w) \neq 0$. This means that if $g_i(w) = 0$ (being on the margin) it doesn't guarantee that $a_i = 0$. So can some points on the margin have $a_i = 0$? | |
| Apr 13, 2017 at 12:44 | history | edited | CommunityBot |
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| Dec 29, 2016 at 0:18 | history | edited | Franck Dernoncourt | CC BY-SA 3.0 |
added 41 characters in body
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| Dec 29, 2016 at 0:10 | history | answered | Franck Dernoncourt | CC BY-SA 3.0 |