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formalsolution [2015/10/12 13:43] anna [Formal solutions for homogeneous linear ordinary differential systems with polynomial coefficients] |
formalsolution [2015/10/12 13:47] (current) anna [A system can be represented in several forms.] |
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where | where | ||
- | * **Ai(x)** are matrices whose entries are polynomial of **x**; | + | * **Ai(x)** are matrices whose entries are polynomial in **x**; |
* **y(x)** is a column vector of unknown functions. | * **y(x)** is a column vector of unknown functions. | ||