() x1, x2,, xN. .
1) z1, z2,,zN xm (m = 1, 2,,N) xmin xmax , xmin = z1 £ z2 ££ zN = xmax.
, , 5 : x1 = 5; x2 = 2; x3 = 4; x4 =5; x5 =7. z1 =2; z2 = 4; z3 = 5; z4 =5; z5 = 7.
2) , .
= (1.16)
, xj< x. :
- xm zt;
- xmin;
- xmin xm , ;
- xm, , , l - ;
- x > xmax 1. N ¥, F(x)/.
3) f(x). :
- (), . :
= 1 + 3,2 , (1.17)
.
- :
Dx = (xmax - xmin) / . (1.18)
Dx .
- ( ) (xmax + xmin) / 2 , , xmin xmax.
- Nm : Nm ,
xm £ zt < xm + Dx
xm xm + Dx m . (1.19) zt (m 1)- m- , m- ;
- ( ) Nm/N, ;
- , , m- (xm, xm + Dx) (m = 1, 2,,) Nm/N, Nm/N) Dx.
4) ,
= , (1.20)
= , (1.21)
= + . (1.22)
(1.21) .
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