Let k be the k-th coordinate functional corresponding to the natural basis of 1, that is k(x)=x(k) for x € l₁ and k = 1,2.... Show that kЄl and find ||yk||.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Let
is
be the k-th coordinate functional corresponding to the natural basis of 1, that
(x) = x(k) for x = l₁ and k = 1,2.... Show that El₁ and find ||yk||.
Transcribed Image Text:1. Let is be the k-th coordinate functional corresponding to the natural basis of 1, that (x) = x(k) for x = l₁ and k = 1,2.... Show that El₁ and find ||yk||.
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