,
, , , . , , .
x | f (x) |
x0 | f0 |
x1 | f1 |
x2 | f2 |
... | ... |
xn | fn |
x . . 譭 "" , .. , , . f(x), 譭 , (x), f(x). f(x)
(x) .
(x) c0, c1, c2,..., cn.
(x) f(x) . ,
(x) f(x) , . ; .
(x) f(x) x, , (x0, xn). . , [x0, xn], .