Lectures25and26

Lectures25and26 - i ia iech i e a A : c a i ed i ia i e h e...

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Unformatted text preview: i ia iech i e a A : c a i ed i ia i e h e b e fca ig a i aad i i aF i e eed d e eh e : A f c i f ( x,y ) ha a ca a i a ( x ,y ) if f ( x ,y ) f ( x,y ) f a ( x,y ) i ed ika d ( x ,y ) eca a ea i ia d e i i f a ca a i ;f h i e eed f ( x ,y ) f ( x,y ) f ea k e eh eh dgab d ig h eeh ee h d b ec ea ; che e a h d cc a i h eeh eage a e i h i a a i h ee age a ecab ed e ed fh eage a e ih i a h e f =- h ee f e ecad e ea c iica i a a i a h ich e ih e b h f x ad f y a ee e e e fh e id e ed A i h e ig ea iab eca eh e eac i ica i eed c ed ae e C id ef ea eh ec i ica i a h e ig i h e face z = x 2- y 2 h eadd e face Y ca ch eckea i ha f (0 , 0) = (0 , 0) b ek ha h i i i a e e fac eb e i g f h iea e ;ifac i ica i i e ih ea a i a i i e ca ia add e i h e h eh e face ia eadd e ha e h igh egab d e e i ig h e h eac i ica i c ed a a i a i i a add e i ? h e ig ea iab e ca e eca ka h e ig fh eecdd e ia i e ee h e h eh eg ah fh eg i e f c i ic ca e c ca ed ia ia eca c hgh eha e h ee ecd d ed e ia i ec id ead h e i f c ca i i ec ica ed f ec id ec ec i fa faceh gh a add e i e id ha e fh e a ec ca e h ie h ea e c ca ed h ha eha e i eada ca a i [ i i ] e h h eg ah b ec ca ed [ ]a g a c ec i h gh h ec i ica i h id ik ea i ig a kb h ee i i fac a i ee ecaa...
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Lectures25and26 - i ia iech i e a A : c a i ed i ia i e h e...

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