119 6.7 Comlsiriiiig LT1-Systems with Zfultiple Inputs ant1 Outputs We llii\cl a l i d y rnct sy ms with rnitltiplc~inpiits aiid outputs in C:hapof a systeni niitli A1 input s i ters 2.3.2, 2.5 aiid 2.6 The trarisfei fun( j m liich toinbiries tlir vectors a r i d l i oiitpiit sigiials is a hl x AI matrix )rs Ujs) of thc trairsfoiined ontput of the traiisiormetl iiiput signals arid the ngn;tls (sec’ (6.5) ) j ( s )= H(sjxij_l (6.36) (6.39) a11t t h erclor c (6.40) Iri contrast L O systems witli only one input arid or ii put, thcl itiatricec; R (s) tarinot hc intcuchanged (3, arid