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Old 06-11-2013, 07:29 AM
skwong skwong is offline
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Join Date: Apr 2013
Location: Hong Kong
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Default Related to Legendre polynomials

In lect 12, we learn the regularization for a nonlinear transformation which is
composed of Legendre polynomials. But then in hw6, Q2 to Q6,
The nonlinear transform doesn't talk anything about Legendre polynomials.

Does it mean, Legendre polynomials is used in deriving the theory,
and any function, including the \phi in hw6, can actually be
expressed in terms of Legendre polynomials ? Further, does it only hold true
for the range -1 to 1 ?
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