Thread: problem 1.2
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Old 09-16-2018, 09:26 PM
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htlin htlin is offline
Join Date: Aug 2009
Location: Taipei, Taiwan
Posts: 610
Default Re: problem 1.2

The problems ask you to express a and b by \mathbf{w}, not the other way around. So you should probably repeat what you do but from another angle.
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