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6.1
- | - | |
" j ³ 0 $ j dj > 0. , | " dj ³ 0, $ j xj < 0. , | |
" j ³ 0 $ j dj < 0. , . | " dj £ 0, $ j xj < 0. , . | |
- | ||
" xj ³ 0 " dj £ 0 | " xj ³ 0 " dj £ 0 |
6.1
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|
" xj ³ 0 " dj ³ 0 | " xj ³ 0 " dj ³ 0 | ||
1. . , : xj dj > 0 (min); dj < 0 (max). 2. . , : , , | 1. . , : x j, : xj < 0. 2. . , : , | ||