Model interconnection and conversion

This is an overview of the different functions available to interconnect LPV system representations and convert one LPV system representation into another.

Function	Purpose	LPV-LFR/SS	LPV-IO
+, -	Addition and subtraction	✔️	❌
*	Multiplication	✔️	❌
append, blkdiag	Appending systems	✔️	✔️
horzat, vertcat, cat	Concatenating systems	✔️	❌
connect	Connecting ports	✔️	❌
feedback	Feedback connection	✔️	❌
lft	LFT connection	✔️	❌
lpvioreal	(Non-minimal) state-space realization of input-output form	❌	✔️