2.1 1 г .
2.2 :
: :
A3 x
B3 y(x)
2.3 4 x0 ( 1).
2.4 5 x0+h ( ).
2.5 4:5 14 x.
2.6 4 y0 ( 0,3).
2.7 C3:F3 1, 2, 3, 4.
2.8 4 1 (=(A5-A4)*(SIN(A4)+0,5*B4^2)).
5:13.
2.9 D4 2 (=(A5-A4)*(SIN(A4+(A5-A4)/2)+0,5*(B4+C4/2)^2)).
D5:D13.
2.10 E4 3 (=(A5-A4)*(SIN(A4+(A5-A4)/2)+0,5*(B4+D4/2)^2)).
E5:E13.
2.11 F4 4 (=(A5-A4)*(SIN(A4+(A5-A4))+0,5*(B4+E4)^2)).
F5:F13.
2.12 5 (=B4+1/6*(C4+2*D4+2*E4+F4)).
2.13 B6:B14.
3. MathCad.
MathCad rkfixed(y0,a,b,n,f), .
,
y0 ¾ ;
a,b ¾ , (a= x0);
n ¾ , [a,b];
f ¾ (39).
, n=5, n=10 n=20 Y1, Y2, Y3.
:
: , - y1. , MathCad . y1(x). y01
(n=5, n=1 n=20)
()
, Y1<1>, Y2<1>, Y3<1>, ( ) Y1<2>, Y2<2>, Y3<2>.
|
|
1. , .
2. .
3. .
4. ?
5. ?
6. ?
7. ?
8. () . ?
9. ?
10. ?
11. ?
12. ?
13. .
14. .
15. ˳ .
16. .
17. .
18. () .
19. . .
20. .
21. . ( ).
22. .
23. . [a,b].
24. .
25. .
26. ( ).
27. .
28. .
29. .
30. .
31. ?
32. . .
33. . . .
34. . . .
35. n- ?
36. ?
37. .
38. ?
39. ? ?
1.
1
3,67 | 3,14 | 0,002 | 0,01 | ||
12,51 | 6,98 | 0,01 | 0,002 | ||
2,89 | 1,45 | 0,001 | 0,005 | ||
3,87 | 1,25 | 0,01 | 0,03 | ||
1,456 | 2,456 | 0,00045 | 0,0032 | ||
6,412 | 5,98 | 0,0052 | 0,0046 | ||
6,98 | 3,976 | 0,032 | 0,02 | ||
1,78 | 7,12 | 0,02 | 0,012 | ||
0,56 | 6,123 | 0,001 | 0,0015 | ||
1,567 | 0,567 | 0,015 | 0,025 | ||
8,93 | 12,89 | 0,0035 | 0,0045 | ||
0,56 | 0,956 | 0,002 | 0,003 | ||
2,906 | 5,978 | 0,001 | 0,02 | ||
12,35 | 25,61 | 0,0035 | 0,0015 | ||
-8,91 | 6,78 | 0,01 | 0,02 | ||
2,34 | 6,45 | 0,002 | 0,001 | ||
4,56 | 0,86 | 0,0015 | 0,0015 | ||
2,35 | 4,55 | 0,003 | 0,004 | ||
6,56 | 9,34 | 0,02 | 0,02 | ||
12,34 | 4,65 | 0,0025 | 0,0025 | ||
0,956 | 0,54 | 0,01 | 0,0015 | ||
7,95 | 0,78 | 0,0025 | 0,0025 | ||
-0,87 | 5,46 | 0,035 | 0,03 | ||
5,8 | 12,35 | 0,001 | 0,001 | ||
0,456 | 11,34 | 0,001 | 0,002 | ||
-5,98 | 12,5 | 0,002 | 0,001 | ||
7,81 | 11,23 | 0,001 | 0,002 | ||
11,24 | 6,78 | 0,002 | 0,001 | ||
0,65 | 0,75 | 0,01 | 0,015 | ||
1,75 | 3,45 | 0,001 | 0,0015 |
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2.
2
3.
3
0,1 | 0,5 | 0,8 | 1,3 | 1,8 | |||
0,998 | 0,479 | 0,717 | 0,963 | 0,973 | |||
0,1 | 0,6 | 1,8 | 2,6 | ||||
0,999 | 0,564 | 0,973 | 0,515 | 0,141 | |||
0,3 | 0,9 | 1,5 | 3,1 | ||||
0,295 | 0,783 | 0,997 | 0,909 | 0,415 | |||
0.6 | 1.2 | 1.8 | 2.2 | 3.0 | |||
0.540 | 0.071 | -0.662 | -0.998 | -0.89 | |||
1.5 | 2.3 | 3.6 | |||||
0.841 | 0.997 | 0.745 | 0.141 | -0.442 | |||
1.6 | 2.5 | 3.1 | 3.8 | ||||
2.718 | 4.481 | 9.974 | 20.085 | 36.598 | |||
1.5 | 3.9 | 4.5 | |||||
0.540 | 0.707 | -0.989 | -0.725 | -0.211 | |||
0.73 | 0.80 | 0.88 | 0.93 | 0.99 | |||
0.894 | 1.029 | 1.209 | 1.341 | 1.525 | |||
2.0 | 2.1 | 2.2 | 2.3 | 2.5 | |||
0.301 | 0.322 | 0.345 | 0.368 | 0.396 | |||
1.5 | 1.7 | 1.8 | 1.9 | 2.0 | |||
0.176 | 0.230 | 0.255 | 0.278 | 0.301 | |||
1.7 | 1.8 | 1.9 | 2.2 | 3.0 | |||
16.7 | 17.65 | 19.64 | 24.51 | 29.45 | |||
2.5 | 2.6 | 2.8 | 2.9 | 3.2 | |||
2.081 | 2.647 | 3.631 | 4.452 | 5.225 | |||
1.4 | 1.5 | 1.8 | 2.0 | 2.2 | |||
3.456 | 3.678 | 4.210 | 5.098 | 5.234 | |||
2.0 | 2.1 | 2.2 | 2.3 | 2.4 | |||
0.245 | 0.412 | 0.625 | 0.995 | 1.312 | |||
1.6 | 1.8 | 2.0 | 2.2 | 2.5 | |||
0.84 | 0.91 | 0.98 | 1.52 | 2.56 | |||
2.8 | 3.0 | 3.2 | 3.4 | 3.6 | |||
14.22 | 19.64 | 26.52 | 31.10 | 41.30 | |||
0.25 | 0.50 | 0.75 | 1.0 | 1.25 | |||
7.50 | 6.60 | 5.80 | 4.90 | 4.10 | |||
1.75 | 2.00 | 2.25 | 2.50 | 2.75 | |||
1.56 | 0.96 | 0.62 | 0.46 | 0.43 | |||
2.6 | 2.8 | 3.0 | 3.2 | 3.4 | |||
0.51 | 0.53 | 0.55 | 0.77 | 2.18 | |||
1.4 | 1.6 | 1.8 | 2.0 | 2.2 | |||
1.92 | 1.10 | 0.71 | 0.52 | 0.48 | |||
7.4 | 7.6 | 7.8 | 8.2 | 8.6 | |||
1.175 | 1.117 | 1.078 | 0.995 | 0.875 | |||
8.6 | 8.9 | 9.3 | 9.6 | 10.5 | |||
2.50 | 2.995 | 3.056 | 3.450 | 4.56 | |||
0.1 | 0.5 | 0.8 | 1.3 | 1.8 | |||
1.105 | 1.648 | 2.225 | 3.657 | 6.049 | |||
0.1 | 0.6 | 1.8 | 2.6 | ||||
0.105 | 0.636 | 2.95 | 6.694 | 10.095 | |||
0.3 | 0.9 | 1.5 | 3.1 | ||||
0.748 | 0.456 | 0.234 | 0.0879 | 0.0456 | |||
0.6 | 1.2 | 1.8 | 2.2 | 3.0 | |||
0.295 | 0.768 | 0.909 | 0.598 | 0.054 | |||
1.5 | 2.3 | 3.6 | |||||
12.45 | 15.62 | 21.78 | 34.79 | 36.89 | |||
1.6 | 2.5 | 3.1 | 3.8 | ||||
0.245 | 0.412 | 0.625 | 0.995 | 1.312 | |||
1.5 | 3.9 | 4.5 | |||||
14.22 | 19.64 | 26.52 | 31.10 | 41.30 | |||
2.8 | 3.0 | 3.2 | 3.4 | 3.6 | |||
0.894 | 1.029 | 1.209 | 1.341 | 1.525 |
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4.
4
- | - | - | ||||||
0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 | 2.4 2.7 3.1 3.3 3.8 4.2 4.6 5.7 5.96 6.35 | -2 -1 | -0.3 0.5 0.8 1.8 2.5 2.0 1.75 1.5 1.0 0.5 | -3 -2 -1 1.5 2.5 3.2 4.0 4.5 5.2 | 4.8 4.2 3.7 3.6 3.3 3.1 2.8 2.3 2.1 1.8 | |||
-1 | 3.9 2.2 1.3 0.8 0.5 1.4 1.9 2.2 2.6 3.2 | 1.2 1.7 3.3 5.1 4.6 3.0 2.2 0.9 0.5 0.1 | -1 | -6.1 -5.8 -5.2 -4.8 -4.5 -5.0 -5.2 -5.5 -6.0 -6.2 | ||||
1.0 1.7 3.3 5.1 4.6 3.2 3.0 1.9 1.5 1.2 | 10.5 12.3 14.4 16.8 19.7 31.6 43.3 | 0.5 0.8 1.3 1.7 1.9 2.5 2.8 3.1 3.5 4.6 | ||||||
-4 -2 -1 | -2.6 -1.7 -0.9 -0.5 0.5 1.2 1.6 2.2 2.5 3.2 | -2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 1.6 | 17.7 9.245 4.52 2.054 1.125 1.09 0.890 0.006 -2.378 -7.125 | -2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 2.0 | 11.07 6.733 3.373 0.945 -0.489 -1.45 -0.52 0.996 4.56 11.89 | |||
-2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 2.0 | -3.929 -3.123 -2.345 -1.567 -0.678 0.12 0.98 1.678 2.490 4.24 | 2.1 2.39 2.68 2.97 3.26 3.55 3.84 4.13 4.42 4.71 | -20.92 -6.075 -3.883 -3.032 -2.557 -2.214 -2.085 -1.863 -1.175 -1.667 | 1.1 1.4 1.88 2.27 2.66 3.05 3.44 3.8 4.2 4.6 | 30.07 6.176 3.467 2.39 1.837 1.54 1.231 1.14 1.01 0.901 | |||
0.5 0.65 0.8 0.94 1.1 1.25 1.4 1.55 1.7 1.85 | 4.843 3.776 2.951 2.234 1.648 1.185 0.655 0.324 -0.041 -0.38 | 0.1 0.24 0.38 0.52 0.66 0.8 0.93 1.08 1.22 1.36 | -4.837 -2.225 -0.845 0.784 1.4 1.85 2.3 2.678 2.99 3.12 | 0.1 0.24 0.38 0.52 0.66 0.8 0.93 1.08 1.22 1.36 | -4.68 -5.89 -6.2 -5.89 -5.12 -4.2 -3.34 -2.46 -1.765 -1.23 | |||
0.1 0.24 0.38 0.52 0.66 0.8 0.93 1.08 1.22 1.36 | 4.825 6.001 6.316 5.951 5.222 4.3 3.37 2.62 1.93 1.37 | 0.1 0.24 0.38 0.52 0.66 0.8 0.93 1.08 1.22 1.36 | -1.191 -0.954 -0.9 -0.984 -1.125 -1.322 -1.178 -2.285 -3.167 -4.545 | 0.1 0.24 0.38 0.52 0.66 0.8 0.93 1.08 1.22 1.5 | 1.332 1.0615 1.0166 1.0421 1.1858 1.477 1.7804 2.4378 3.3304 6.7499 | |||
-10.0 -9.1 -8.2 -7.3 -6.4 -5.5 -4.6 -3.7 -2.8 -1.9 | 1.7618 1.7647 1.7943 1.7969 1.8395 1.9485 2.1507 2.384 2.8918 4.9847 | -10.0 -9.1 -8.2 -7.3 -6.4 -5.5 -4.6 -3.7 -2.8 -1.9 | -1.672 -1.715 -1.743 -1.813 -1.866 -1.893 -2.076 -2.173 -2.481 -2.232 | 1.0 1.9 2.8 3.7 4.6 5.5 6.4 7.3 8.2 9.1 | -2.170 -1.047 -0.796 -0.721 -0.662 -0.579 -0.632 -0.538 -0.519 -0.501 | |||
0.5 0.95 1.4 1.85 2.3 2.75 3.2 3.65 4.1 4.55 | 17.24 5.83 4.11 3.15 2.83 3.09 2.19 2.84 2.82 2.66 | -2.0 -1.7 -1.4 -1.1 -0.8 -0.5 -0.2 0.1 0.4 0.7 | -11.92 -9.69 -7.85 -6.4 -5.19 -4.16 -3.44 -2.72 -2.19 -1.77 | -2.0 -1.7 -1.4 -1.1 -0.8 -0.5 -0.2 0.1 0.4 0.7 | 8.07 6.55 5.33 4.31 3.51 2.91 2.29 1.94 1.59 1.31 | |||
-2.0 -1.7 -1.4 -1.1 -0.8 -0.5 -0.2 0.49 0.69 1.0 | 0.148 0.199 0.329 0.536 0.977 1.845 3.3 6.231 11.56 21.51 | -2.0 -1.7 -1.4 -1.1 -0.8 -0.5 -0.2 0.49 0.69 1.0 | -0.485 -0.719 -1.016 -1.464 -2.046 -2.809 -4.013 -5.504 -7.678 -10.71 | 0.2 0.3 0.7 1.3 1.8 2.4 2.8 3.4 3.9 4.5 | -0.05 0.098 0.155 0.1524 0.169 0.226 0.157 0.238 0.247 0.25 |
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|
5.
( , )
5.1
г | |
x2-2x+lnx=0 | |
2x+5x-3=0 | |
x3-3x2-3.5=0 | |
2-x-lnx=0 | |
3x-cosx-1=0 | |
x2+4sinx=0 | |
x3+4x-6=0 | |
2xsinx-cosx=0 | |
x2-ln(1+x)-3=0 | |
x3-3x2+6x+3=0 | |
x2-cosx=0 | |
3x+5x-2=0 | |
cosx-3x=0 | |
x4-6x2+12x-8=0 | |
cosx-x+5=0 | |
x2-1-cos5x=0 | |
ex+lnx-1.2x=0 | |
lnx-x+1.8=0 | |
x2-2cosπx-1=0 | |
x3-ex-5.5=0 | |
ex+2x-26=0 | |
2e-0.5x -x2=0 | |
2x3-x2-7x+5=0 | |
0.5x2+xlnx=0 | |
3sin√x +0.35x-0.8=0 | |
2x+5x-3=0 | |
sinx-x-ln(1+x)+1=0 | |
x2-20sinx=0 | |
(x-3)cosx-1=0 | |
0.25x3+x-1.25=0 |
( )
5.2
г | |
ln(1,5x)-1,7x+3=0 | |
2-x-lnx=0 | |
x2-ln(1+x)-3=0 | |
x3-5x-7=0 | |
x3+x-4=0 | |
x3+6x+5=0 | |
x3+4x-6=0 | |
x3-3x-6=0 | |
x3-x+3=0 | |
x3-4x-8=0 | |
x3+5x+4=0 | |
x3+2x-7=0 | |
x3+4x+3=0 | |
x3-2x+8=0 | |
cosx-x+5=0 | |
x3-5x+1=0 | |
ex-x-20=0 | |
x-sinx+0,25=0 | |
x2-ln(1+x2)-9,75=0 | |
sinx-3x+3,2=0 | |
10x+2x-100=0 | |
0,6*1,5x-2,25x=0 | |
x4+3x-3=0 | |
2x+2x2-3=0 | |
x5+5x+1=0 | |
x2-1-cos1,2x=0 | |
ex+2x-26=0 | |
x2-2x+lnx=0 | |
sinx-3x+3,2=0 | |
x5-x-0,2=0 |
6.
6
ϳ | |||
0.5 | 2.5 | ||
1.2 | 3.7 | ||
1.5 | |||
0.4 | 1.2 | ||
2.2 | |||
1.8 | |||
1.2 | |||
1.2 | |||
2.6 | |||
1.3 | |||
1.2 | 3.2 | ||
0.3 | 0.9 | ||
0.3 | 1.5 | ||
0.8 | 3.8 | ||
0.5 | 1.9 | ||
1.6 | 2.2 | ||
3.4 | |||
1.2 | |||
3.2 | |||
3.2 | |||
1.8 | |||
0.1 | |||
1.3 | |||
0.5 | |||
|
|
7.
7
y(x0)=y0 | ||||
x0 | b | |||
y(0)=0,3 | ||||
0,6 | y(0)=0 | |||
y(0)=1 | ||||
y(1)=1 | ||||
y(0)=1 | ||||
y(3)=1 | ||||
y(0)=1 | ||||
y(0)=1,5 | ||||
0,1 | y(0,1)=0,2 | |||
0,5 | 3,5 | y(0,5)=0,5 | ||
0,8 | 1,3 | y(0,8)=0,5 | ||
1,4 | y(1)=0,8 | |||
0,1 | 0,8 | y(0,1)=0,1 | ||
-4 | y(-4)=0 | |||
0,5 | 1,8 | y(0,5)=0 | ||
0,2 | 1,6 | y(0,2)=0,2 | ||
y(0)=0 | ||||
y(0)=0,5 | ||||
y(0)=1 | ||||
0,5 | y(0)=0 | |||
0,1 | y(0,1)=0,2 | |||
0,1 | y(1)=1 | |||
y(1)=1 | ||||
0,5 | y(0)=0 | |||
0,5 | y(0)=0,2 | |||
y(0)=0 | ||||
y(1)=0 | ||||
1,5 | y(1,5)=1 | |||
y(0)=-0,4 | ||||
y(1)=0,1 |
˳
1. .., .. : ϳ. ─ .: , 1996. ─ 288 .
2. . . 㳿. ϳ .. . .. ─ .: , 2003. ─ 704.
3. .. . MATHCAD 2000 . ─ : , 2000. ─ 656.
, ˲.. 3
1. 4
2. 5
3. 14
4. 16
5. 26
6. 34
7. 41
. 49
. 51
˳. 63