bt3 - = = = = < < = ; ); ( ) , ( ; );...

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Exercises No 3. HCMUT – HCMNU 11/2/2009 Faculty of Applied science Department of Math. Applied _______________________________________________________________________ _ TÁCH BI N V I PH NG TRÌNH TRUY N SÓNG ƯƠ I. Gi i ph ng trình truy n sóng sau: ươ = = = = < < = π x x g x t u x x f x u t t u t u t x x u t u 0 ), ( ) 0 , ( 0 ), ( ) 0 , ( , 0 ; 0 ) , ( ) , 0 ( , 0 , 0 ; 4 2 2 2 2 V i hàm s ban đ u f(x) và g(x) : ; 3 sin 2 sin sin ) ( ) ( . 5 ; 8 sin 9 sin ) ( ; 3 sin 2 sin 2 sin 3 ) ( . 4 ; 4 sin 2 2 sin 4 ) ( ; 7 sin 3 sin 11 ) ( . 3 ; 0 ) ( ; 12 sin 10 3 sin 3 ) ( . 2 ; 10 sin 2 5 sin 10 2 sin 5 ) ( ; 0 ) ( . 1 x x x x g x f x x x g x x x x f x x x g x x x f x g x x x f x x x x g x f - + = = - = - + = + = - = + = + - = II. Tìm nghi m chính cho ph ng trình truy n sóng sau: ươ = = = = < < = x x g x t u x x f x u t t u t u t x x u t u 0 ), ( ) 0 , ( 0 ), ( ) 0 , ( , 0 ; 0 ) , ( ) , 0 ( , 0 , 0 ; 16 2 2 2 2 v i : - = = - = = + ; sin ) 1 ( ) ( ; sin 1 ) ( . 2 ; sin ) 1 ( ) ( ; sin 1 ) ( . 1 1 1 2 1 2 2 1 x n n x g x n n x f nx n x g nx n x f n n III. Tìm nghi m chính cho ph ng trình truy n sóng v i đi u ki n biên đ u : ươ
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Unformatted text preview: = = = = &lt; &lt; = ; ); ( ) , ( ; ); ( ) , ( ; ; ) , ( ) , ( ; ; ; 2 2 2 2 2 l x x g x t u l x x f x u t t l u t u t l x x u a t u v i : 1. =-= = = ; sin ) ( ); 1 ( ) ( ; 1 ; 1 2 x x g x x x f l a 2. = + = = = ) ( ; 1 sin ) ( ; ; 3 2 x g x x f l a 3. &lt; &lt;-&lt; &lt; = + = = = x x x x x g x x x f l a 2 / ; 2 / ; ) ( ; 5 sin 7 4 sin ) ( ; 2 1...
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This note was uploaded on 11/02/2009 for the course ECE ece464 taught by Professor Abc during the Spring '09 term at Jacksonville College.

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