Legendre and Related Functions - 14.21 Definitions and Basic Properties

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DLMF Formula Constraints Maple Mathematica Symbolic
Maple
Symbolic
Mathematica
Numeric
Maple
Numeric
Mathematica
14.21.E1 ( 1 - z 2 ) d 2 w d z 2 - 2 z d w d z + ( ν ( ν + 1 ) - μ 2 1 - z 2 ) w = 0 1 superscript 𝑧 2 derivative 𝑤 𝑧 2 2 𝑧 derivative 𝑤 𝑧 𝜈 𝜈 1 superscript 𝜇 2 1 superscript 𝑧 2 𝑤 0 {\displaystyle{\displaystyle\left(1-z^{2}\right)\frac{{\mathrm{d}}^{2}w}{{% \mathrm{d}z}^{2}}-2z\frac{\mathrm{d}w}{\mathrm{d}z}+\left(\nu(\nu+1)-\frac{\mu% ^{2}}{1-z^{2}}\right)w=0}}
\left(1-z^{2}\right)\deriv[2]{w}{z}-2z\deriv{w}{z}+\left(\nu(\nu+1)-\frac{\mu^{2}}{1-z^{2}}\right)w = 0

(1 - (z)^(2))*diff(w, [z$(2)])- 2*z*diff(w, z)+(nu*(nu + 1)-((mu)^(2))/(1 - (z)^(2)))*w = 0
(1 - (z)^(2))*D[w, {z, 2}]- 2*z*D[w, z]+(\[Nu]*(\[Nu]+ 1)-Divide[\[Mu]^(2),1 - (z)^(2)])*w == 0
Failure Failure
Failed [300 / 300]
Result: 1.366025404+1.366025404*I
Test Values: {mu = 1/2*3^(1/2)+1/2*I, nu = 1/2*3^(1/2)+1/2*I, w = 1/2*3^(1/2)+1/2*I, z = 1/2*3^(1/2)+1/2*I}

Result: .2113248651+1.366025405*I
Test Values: {mu = 1/2*3^(1/2)+1/2*I, nu = 1/2*3^(1/2)+1/2*I, w = 1/2*3^(1/2)+1/2*I, z = -1/2+1/2*I*3^(1/2)}

... skip entries to safe data
Failed [300 / 300]
Result: Complex[1.3660254037844388, 1.3660254037844386]
Test Values: {Rule[w, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[z, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[μ, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[ν, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]]}

Result: Complex[-2.7755575615628914*^-16, -0.9999999999999997]
Test Values: {Rule[w, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[z, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[μ, Power[E, Times[Complex[0, Rational[1, 6]], Pi]]], Rule[ν, Power[E, Times[Complex[0, Rational[2, 3]], Pi]]]}

... skip entries to safe data