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extract [2016/02/28 11:01]
anton sources added
extract [2016/11/07 21:06] (current)
anton * [Extract procedure] fixed subscripts
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We consider the differential system of full rank of the form We consider the differential system of full rank of the form

-//A//1 //y//' + //A//0 //y// = 0+//A//<sub>1</sub>//y//' + //A//<sub>0</sub>//y// = 0

-where //A//1, //A//0 are square matrices and //y// is unknown vector, some components of which are //selected// +where //A//<sub>1</sub>, //A//<sub>0</sub> are square matrices and //y// is unknown vector, some components of which are //selected//
-(are of more interest to us then the other ones). The leading matrix //A//1 may be singular (i.e. the initial +(are of more interest to us then the other ones). The leading matrix //A//<sub>1</sub> may be singular (i.e. the initial
system may be a differential-algebraic system). system may be a differential-algebraic system).
The ''Extract'' procedure builds a new normal differential system The ''Extract'' procedure builds a new normal differential system

-//ỹ//' = //A// //ỹ//+//ỹ//' = //Aỹ//

for the part of unknowns //ỹ// ⊂ //y//. If some selected unknowns are not the part of //ỹ// for the part of unknowns //ỹ// ⊂ //y//. If some selected unknowns are not the part of //ỹ//
extract.1456650083.txt.gz · Last modified: 2016/02/28 11:01 by anton

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