Chapter 12: Q9-1P (page 562)
Expand the following functions in the Legendre series.
Chapter 12: Q9-1P (page 562)
Expand the following functions in the Legendre series.
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Expand the following functions in Legendre series.
Verify equations (10.3) and (10.4).
(10.3) : (1-x2) u"-2 (m+1) xu'+[l(l+1) - m(m+1)] u=0
(10.4) : (1-x2) (u')" -2 [(m+1)+1] x(u')'+ [l(l+1) - (m+1)(m+2)]u'=0
To study the approximations in the table, a computer plots on the same axes the given function together with its small approximation and its asymptotic approximation. Use an interval large enough to show the asymptotic approximation agrees with the function for large . If the small approximation is not clear, plot it alone with the function over a small interval .
Solve the following eigenvalue problem (see end of Section 2 and problem 11): Given the differential equation where is an integerlocalid="1654860659044" , find values of localid="1654860714122" such that localid="1654860676211" aslocalid="1654860742759" role="math" , and find the corresponding eigenfunctions. Hint: letlocalid="1654860764612" , and show that localid="1654860784518" satisfies the differential equationlocalid="1654860800910" .Comparelocalid="1654860829619" to show that if localid="1654860854431" is an integerlocalid="1654860871428" , there is a polynomial solution localid="1654860888067" .Solve the eigenvalue problem localid="1654860910472" .
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