GNU Octave - Local Sector 7 web page

Chapter 29: Control Theory 245A matrix: 2 x 21 23 4B matrix: 2 x 156C matrix: 1 x 27 8D matrix: 1 x 10sysupdate (sys, opt)Update the internal representation of a system.Inputssys:optOutputsretsyssystem data structurestring:"tf""zp""ss""all"update transfer function formupdate zero-pole formupdate state space formall of the aboveFunction FileContains union of data in sys and requested data. If requested data insys is already up to date then retsys=sys.Conversion to tf or zp exits with an error if the system is mixed continuous/digital.[systype, nout, nin, ncstates, ndstates] = minfo (inmat)Function FileDetermines the type of system matrix. inmat can be a varying, a system, a constant,and an empty matrix.OutputssystypenoutninncstatesndstatesCan be one of: varying, system, constant, and empty.The number of outputs of the system.The number of inputs of the system.The number of continuous states of the system.The number of discrete states of the system.sysgettsam (sys)Return the sampling time of the system sys.Function File29.2.6 Data structure internal functions