User`s guide

4
Arrays of LTI Models
Introduction ....................4-2
When to Collect a Set of Models in an LTI Array . . . . . . 4-2
Restrictions for LTI Models Collected in an Array . . . . . 4-2
WheretoFindInformationonLTIArrays ........4-3
The Concept of an L TI Array ............4-4
Higher Dimensional Arrays of LTI Models . . . . . . . . 4-6
Dimensions, Size, and Shape of an LTI Array .....4-7
sizeandndims....................4-9
reshape ......................4-11
Building LTI Arrays ................4-12
GeneratingLTIArraysUsingrss............4-12
Building LTI Arrays Using for Loops . . . . . . . . . . 4-12
Building LTI Arrays Using the stack Function . . . . . . . 4-15
Building LTI Arrays Using tf, zpk, ss, and frd . . . . . . . 4-17
Indexing Into LTI Arrays ..............4-20
Accessing Particular Models in an LTI Array . . . . . . . 4-20
ExtractingLTIArraysofSubsystems ..........4-21
ReassigningPartsofanLTIArray ...........4-22
DeletingPartsofanLTIArray.............4-23
Operations on LTI Arrays ..............4-25
Example:AdditionofTwoLTIArrays..........4-26
DimensionRequirements ...............4-27
SpecialCasesforOperationsonLTIArrays........4-27
OtherOperationsonLTIArrays ............4-30