cal marimum o 9:(г) — 0 %3D ng differentiable), then there uch that

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Verify the following result.
Theorem. Let U be an open subset of R" and let f:U → R be a C' function
Then if ro E U is either a local marimum or a local minimum of f subject to the
constraints
0 = (x)*6
for i e {1,..., m} (the g, being differentiable), then there exist scalars A1,..,Am
and a scalar p, not all zero, such that
( fz, (x0)\
9kz1 (T0)
(1)
\Sz, (T0)/
\9kIn (T0)
If the vectors
9izı (20)
Fmz, (T0)
\9iz, (T0),
are linearly independent, it follows that an equation of the form
\Imzn (T0).
9kz; (x0))
(2)
\Szn (#0)/
k=1
holds.
(02) "z¥6\
Hint: Use the implicit function theorem.
Transcribed Image Text:Verify the following result. Theorem. Let U be an open subset of R" and let f:U → R be a C' function Then if ro E U is either a local marimum or a local minimum of f subject to the constraints 0 = (x)*6 for i e {1,..., m} (the g, being differentiable), then there exist scalars A1,..,Am and a scalar p, not all zero, such that ( fz, (x0)\ 9kz1 (T0) (1) \Sz, (T0)/ \9kIn (T0) If the vectors 9izı (20) Fmz, (T0) \9iz, (T0), are linearly independent, it follows that an equation of the form \Imzn (T0). 9kz; (x0)) (2) \Szn (#0)/ k=1 holds. (02) "z¥6\ Hint: Use the implicit function theorem.
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