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: ( )

,

(

(

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:

( )

1

2

1

2

2

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.

.

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:

1. .

. ( ).

2. . , /

.

, .

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, .

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:

: :

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,

( , )

; .

. (

).

.

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,

( , )

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,

(#) (#)

,

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:

1

2

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gradient(1) = [ ];

function [jVal, gradient] = costFunction(thetjVal = [ ];

gradient(2) = [ ];

gradient(n+1) = [ ];

gradient(3) = [ ];

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