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MathCAD Matrix ( ). , . 3.1.
3.1 |
ORIGIN:=1 . . . , Matrix (. 3.1). - , - , - .
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1. .
polyroots (. 3.2). , , - . , . , .
3.2 |
, (1) , , - .
2. .
root.
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1. , , .
2. . - y() .
3. , (. 3.3). y() , . , .
3.3 |
4. (. 3.3). (0; 1), - (1; 2), - (2; 3). root (. 3.4).
3.4 |
: = -2.19, -1.808, -0.506, 0.506, 1.808, 2.19.
3. .
. , . (. 3.5). , . [-5; 5].
3.5 |
. 3.5, = 2, - = -3. Minimize () Maximize (), Given (. 3.6).
3.6 |
: (1,361; -20,745); (-2,694; 12,597).
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4.
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, , . (. 3.7).
3.7 |
: 1=1, 2=2, 3=-7, 4=1.