“Chebyshev Differential Equation”的概念、定义、习题解题方法及翻译-数学辞典

单词

Chebyshev Differential Equation

释义

Chebyshev Differential Equation

(1)

for

. The Chebyshev differential equation has regular Singularities at

, 1, and

. It can be solved by series solution using the expansions

			(2)

			(3)

			(4)

Now, plug (2-4) into the original equation (1) to obtain


	(5)


	(6)


	(7)


	(8)


	(9)

(10)

(11)

(12)

The first two are special cases of the third, so the general recurrence relationis

(13)

From this, we obtain for the Even Coefficients

			(14)
			(15)

			(16)

and for the Odd Coefficients

			(17)
			(18)

			(19)

So the general solution is


	(20)

If is Even, then terminates and is a Polynomial solution, whereas if is Odd, then terminates and isa Polynomial solution. The Polynomial solutions defined here are known as Chebyshev Polynomials of the FirstKind. The definition of the Chebyshev Polynomial of the Second Kind gives a similar, but distinct, recurrence relation

(21)

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