Fig. 3From: Structural identifiability of cyclic graphical models of biological networks with latent variablesSeveral examples of the row deletion operation. Different colors are used to highlight the elements that remain the same or become different in different matrices. (a) Case 1 of reducing M1 by M2 ; (b) Case 2 of reducing M1 by M2 ; (c) Case 3 of reducing M1 by M2 ; (d) Case 4 of reducing M1 by M2 Back to article page