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ru.pstu.elib
∂ϕ (t) Z i l ∂be
| be | S ч | e | 
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ru.pstu.elib
Ζϕ ϕ(t) − ϕ∂ ≤ 0
Ζρ ρ(t)− ρ∂ ≥ 0
Ζτ τ(t) − τ∂ ≤ 0
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ru.pstu.elib
∂ϕ (t)
Ζ i = 0 l ∂be
∂ρ (t)
Ζ i = 0 l ∂be
| ∂τ | ( | t | ) | 
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| Ζl | 
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 | = 0 | ||
| ∂be | 
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Zlϕ be = 0
Zlρ be = 0
Zlτ be = 0
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ru.pstu.elib
| ∂ϕi (t ) | 
 | ZSϕ Sч = 0 | |||
| Ζs | 
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 | = 0 | |
| ∂s | ч | ||||
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| ∂ρi (t ) | 
 | ZSρ Sч = 0 | |||
| Ζs | 
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 | = 0 | |
| ∂s | ч | ||||
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| ∂τi (t ) | 
 | ZSτ S | ч | = 0 | |||
| Ζs | 
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 | = 0 | 
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| ∂s | ч | 
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ru.pstu.elib
Ζe
Ζe
Ζe
∂τi (t )∂e
∂ρi (t )∂e
∂τi (t )∂e
= 0
= 0
= 0
Zeϕ e = 0
Zeρ e = 0
Zeτ e = 0
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ru.pstu.elib
| Ζ | 
 | ∂ϕ (t ) | = 0 | ||
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 | S | ∂S j−1, | 
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| Ζ | 
 | ∂ρ (t ) | = 0 | ||
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| 
 | S | ∂S j−1, | 
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| Ζ | 
 | ∂τi (t ) | = 0 | ||
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| 
 | S | ∂S j−1, | 
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ru.pstu.elib
| Ζ | 
 | ∂2ϕi | (t ) | 
 | = 0 | |
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| ∂S | 
 | ∂b | ||||
| 
 | Sl | j−1, j | 
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| 
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| Ζ | 
 | ∂2ρi | (t) | 
 | = 0 | |
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| ∂S | 
 | ∂b | ||||
| 
 | Sl | j−1, j | 
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| 
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 | e | 
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| Ζ | 
 | ∂2τi | (t ) | 
 | = 0 | ||
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| ∂S | 
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 | ∂b | ||||
| 
 | Sl | j−1, | j | 
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| 
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ru.pstu.elib
| Ζ | 
 | 
 | ∂2ϕi (t ) | 
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 | = 0 | 
| S s | ч | 
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 | ∂S j−1, j ∂s | ч | 
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| Ζ | 
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 | ∂2ρi (t ) | 
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 | = 0 | 
| S s | ч | 
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 | ∂S j−1, j ∂s | ч | 
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| Ζ | 
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 | ∂2τi (t ) | 
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 | = 0 | 
| S s | ч | 
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 | ∂S j−1, j ∂s | ч | 
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ru.pstu.elib
| Ζ | 
 | ∂2ϕi (t ) | 
 | = 0 | 
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| 
 | S e | 
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 | ∂S j−1, j ∂e | 
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| Ζ | 
 | ∂2ρ (t ) | 
 | = 0 | 
| 
 | i | 
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| 
 | S e | 
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| 
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 | ∂S j−1, j ∂e | 
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| Ζ | 
 | ∂2τi (t ) | 
 | = 0 | 
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| 
 | S e | 
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 | ∂S j−1, j ∂e | 
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ru.pstu.elib
| ϕ | (t ) | ρ | (t) | τ | (t) | |||
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 | 1 | (t) | 1 | (t) | 
 | 1 | (t) | 
| ϕ | 2 | ρ | τ | 2 | ||||
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| 
 | τ | 
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| 
 | ϕ | n | (t) | ρ | (t) | n | (t) | |
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 | n | 
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| 
 | ∂ | ∂ | ∂ | 
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| 
 | ϕ 1 | ρ1 | τ 1 | 
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| 
 | ϕ ∂2 | ρ 2∂ | τ ∂2 | 
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| ∂ | ∂ | ∂ | |||
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| 
 | ϕ n | ρ n | τ n | 
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