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= H
H =
= H
=
H y = y
=
H y p = y
, p = y,
pp = pp, !
y = p
y = p, , ...
py = H, y !
? = p p - p
? = -, p
yy p yy = py py py
? = , p
y = p
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? |
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, ?
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: | [1] |