1
f(x) . f(x) = 0 MathCAD root.
f (x) | f (x) | ||
2
g(x) :
1. V, ;
2. g(x) = 0 polyroots;
3. , .
g (x) | g (x) | ||
x 4 - 2 x3 + x 2 - 12 x + 20 | x 4 + x3 - 17 x 2 - 45 x - 100 | ||
x 4 + 6 x3 + x 2 - 4 x - 60 | x 4 - 5 x3 + x 2 - 15 x + 50 | ||
x 4 - 14 x 2 - 40 x - 75 | x 4 - 4 x3 - 2 x 2 - 20 x + 25 | ||
x 4 - x3 + x 2 - 11 x + 10 | x 4 + 5 x3 + 7 x 2 + 7 x - 20 | ||
x 4 - x3 - 29 x 2 - 71 x -140 | x 4 - 7 x3 + 7 x 2 - 5 x + 100 | ||
x 4 + 7 x3 + 9 x 2 + 13 x - 30 | x 4 + 10 x3 +36 x 2 +70 x + 75 | ||
x 4 + 3 x3 - 23 x 2 - 55 x - 150 | x 4 + 9 x3 + 31 x 2 + 59 x + 60 | ||
x 4 - 6 x3 + 4 x 2 + 10 x + 75 | 15x4-6 x3+4x2 -12 x-10 |
3
:
1. lsolve;
2. ;
3. Find.
4
f 1(x) = y f 2 (y)= x. .
Minerr.
5
.
1. MathCAD?
2. ?
3. polyroots?
4. ?
5. ?
5.
:
( );
|
|
( ).
, , , . . . , , , . .
, ( ) .
. . , .