3:
:
n(t) - , t; N- , ; *(t) - .
N-n(t)- , t; q*(t) - .
Δn(t) - (t, t+Δt); f*(t) - ; Δt - .
n(t)- , t; Δn(t) - (t, t+Δt); λ*(t)- .
ti - i- ; N- , ; mt* - .
mt* (1.5) N . mt*
ni - i- ;
t.i = (ti-1+ti)/2; m=tk/Δt; Δt=ti+1-ti; ti-1 - i- ; ti- i- ; tk - , ; Δt- .
Dt*- .
1.1. 1000 , 3000 . 80 . P*(t), q*(t) t = 3000 .
. N= 1000; n(t)=1000-80=920; N-n(t)=1000-920=80.
1.2. 1000 . 3000 . 80 , 3000 - 4000 . 50 . 3000 - 4000 .
. N=1000; t=3000 ; Δt =1000 ; Δn(t)=50; n(t)=920.
(1.3) (1.4)
1.3. N = 400 . t = 3000 200 , .. n(t) = 400-200=200. (t, t+Δt), Δt= 100 , 100 , .. Δn(t)= 100. *(3000), P*(3100), f*(3000), λ*(3000).
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1.4. 6 . ti (ti - 6 i- ): t1 =280 ; t2 = 350 ; t3 =400 ; t4 =320 ; t5 =380 ; t6 =330 .
.
1.5. 7 . :
t1 =12.; t2=23.; t3 =15.; t4=9.; t5=17.; t6=28.; t7=25.; t8=31. mt
1.6. 45 45 , .1.1. m*.
1.7. 100 . 4000 . 50 . 4000 - 4100 . 20 . f*(t),λ*(t) t=4000 .
1.8. 100 . 4000 . 50 . p*(t) q*(t) t=4000 .
1.9. 1000 10 2. 1000 - 1100 . . f*(t), λ*(t) t =1000 .
1.10. 1000 . 3000 . 80 . 3000 - 4000 . 50 . p*(t) q*(t) t=4000 .
1.11. 1000 . t=1300 . 288 . 1300-1400 . 13 . p*(t) t=1300. t=1400 .; f*(t), λ*(t) t =1300 .
1.12. 45 . t=60 . 35 . 60-65 . 3 . p*(t) t=60. t=65 .; f*(t), λ*(t) t =60 .
1.13. 45 , 80- , 45 , .1.2. mt*.
1.14. 8 . ti (ti - i- ):
t1 =560.; t2=700.; t3 =800.; t4=650.; t5=580.; t6=760.; t7=920.; t8=850.
.
1.15. 6 . : t1 =15.; t2=20.; t3 =10.; t4=28.; t5=22.; t6=30. mt *.
1.16. 1000 . t=11000 .
410 . 11000-12000 . 40 . p*(t) t=11000 . t=12000 ., f*(t), λ*(t) t=11000 .
