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102-ɫɭɪɟɬ

Ȼɚɪɥɵԕ ɤԛɲɬɟɪɞɿ x ɨɫɿɧɟ ɩɪɨɟɤɰɢɹɥɚɣɵԕ, ɹԑɧɢ:

6x 0 , x2 ˜ dZ V x ˜ dZ ˜ " W xy ˜ dZ ˜ m W xz ˜ dZ ˜ n 0

XK V x ˜ " W xy˜ ˜ m W xz ˜ n . (8.6)

Ԕɚɥԑɚɧ ɟɤɿ ɨɫɶɤɟ (ɭ, z) ɤԛɲɬɟɪɞɿ ɩɪɨɟɤɰɢɹɥɚɩ, ɚɥɵɧԑɚɧ ɬɟԙɞɟɭɥɟɪɝɟ
ɛɿɪɿɧɲɿ ɬɟԙɞɟɭɞɿ ԕɨɫɵɩ,

XK V yz " W xy ˜ m W xz ˜ n

YK W yx ˜ " W xy ˜ m W xz ˜ n (8.7)

ZK W zx ˜ " W xy ˜ m V z ˜ n

ɠԛɣɟɧi ɚɥɚɦɵɡ.
ȿɧɞi, ɤԧɥɛɟɭ ɠɚɡɵԕɬɵԕɬɵԙ (ɚɜɫ) ɚɭɞɚɧɵ ɧԧɥɝɟ ԝɦɬɵɥɵɩ, ɚɥ ɠɚɡɵԕɬɵԕɬɵԙ
ԧɡɿ 0 ɧԛɤɬɟɫɿɧɟ ɲɟɤɫɿɡ ɠɚԕɵɧɞɚɫɵɧ ɞɟɣɿɤ. Ȼԝɥ ɤɟɡɞɟ ɠɨԑɚɪɵɞɚԑɵ (8.7) ɠԛɣɟ

ɤԧɥɛɟɭ ɠɚɡɵԕɬɵԕɬɚԑɵ ɤɟɪɧɟɭɥɟɪɦɟɧ ɤɨɨɪɞɢɧɚɬɚ ɠɚɡɵԕɬɵԕɬɚɪɵɧɞɚԑɵ
ɤɟɪɧɟɭɥɟɪ ɚɪɚɫɵɧɞɚԑɵ ԕɚɬɵɧɚɫɬɵ ɛɟɪɟɞɿ. ɋɨɧɵɦɟɧ, ɟɝɟɪ ɤɨɨɪɞɢɧɚɬɚ

ɠɚɡɵԕɬɵԕɬɚɪɵɧɞɚԑɵ ɤɟɪɧɟɭɥɟɪɞɿ ɚɧɵԕɬɚɣ ɚɥɫɚԕ (ıɯ, ıɭ, ız ,W xy ,W yz ,W zx ), ɨɧɞɚ

ɫɨԙԑɵ (8.7) ɠԛɣɟɧiԙ ɤԧɦɟɝiɦɟɧ ɤɟɡ ɤɟɥɝɟɧ ɠɚɡɵԕɬɵԕɬɚԑɵ ɤɟɪɧɟɭɥɟɪɞi ɬɚɛɭԑɚ
ɛɨɥɚɞɵ.

§ 3. Ȼɚɫ ɠɚɡɵԕɬɵԕɬɚɪ. Ȼɚɫ ɤɟɪɧɟɭɥɟɪ
ɀԛɤɬɟɥɝɟɧ ɞɟɧɟɧiԙ ɤɟɡ ɤɟɥɝɟɧ ɧԛɤɬɟɫi ɚɪԕɵɥɵ ɠɚɧɚɦɚ ɤɟɪɧɟɭɥɟɪ ɦԛɥɞɟ
ɛɨɥɦɚɣɬɵɧ, ԧɡɚɪɚ ɩɟɪɩɟɧɞɢɤɭɥɹɪ ԛɲ ɠɚɡɵԕɬɵԕ ɠԛɪɝiɡɭɝɟ ɛɨɥɚɬɵɧɵ ɛɟɥɝiɥi.
Ɇԝɧɞɚɣ ɠɚɡɵԕɬɵԕɬɚɪ ɛɚɫ ɠɚɡɵԕɬɵԕɬɚɪ ɞɟɩ ɚɬɚɥɚɞɵ. Ⱥɥ ɛԝɥ
ɠɚɡɵԕɬɵԕɬɚɪɞɚԑɵ ɤɟɪɧɟɭɥɟɪ ɛɚɫ ɤɟɪɧɟɭɥɟɪ ɞɟɩ ɚɬɚɥɚɞɵ. Ȼɚɫ ɤɟɪɧɟɭɥɟɪɞi
ɚɧɵԕɬɚɭ ԛɲiɧ ɠԛɤɬɟɥɝɟɧ ɞɟɧɟɞɟɧ ɷɥɟɦɟɧɬɚɪ ɬɟɬɪɚɷɞɪ ɛԧɥiɩ ɚɥɚɣɵԕ. Ɉɧɵԙ
ɤԧɥɛɟɭ ɠɚɡɵԕɬɵԑɵ – aɜc ɛɚɫ ɠɚɡɵԕɬɵԕ ɛɨɥɫɵɧ (103-ɫɭɪɟɬ).

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