Re: Failed to find the bias term for Q15
Quote:
Originally Posted by skwong
For Q15, I coded to find the K centers for the RBF. Then use pseudoinverse to find the . Then have difficulty to find the b. I think it should be calculated by picking any point, and substitute into the formula for x and y:
But, when I try it for all 100 points, all calculated b are different. Am I misunderstand something ? Or simply my program bug ? I read through all posts in the forum but cannot figure out any hints.

bargava is correct. This was discussed in a post that is buried in another thread:
http://book.caltech.edu/bookforum/sh...40&postcount=7
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