an algebra generated by some known series
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And, the related series Ψ(x)=∑n≥1nnn!xn Ψ ( x ) = ∑ n ≥ 1 n n n ! x n . Designate the operator D:=xddx D := x d d x . Some properties: (1) Ψ=DΦ Ψ ...
from Algebra
And, the related series Ψ(x)=∑n≥1nnn!xn Ψ ( x ) = ∑ n ≥ 1 n n n ! x n . Designate the operator D:=xddx D := x d d x . Some properties: (1) Ψ=DΦ Ψ ...
from Algebra
