Figure 1

Time response of the error variables ${\mathit{e}}_{\mathbf{12}}\mathbf{(}\mathit{t}\mathbf{)}$ , ${\mathit{e}}_{\mathbf{13}}\mathbf{(}\mathit{t}\mathbf{)}$ , ${\mathit{e}}_{\mathbf{23}}\mathbf{(}\mathit{t}\mathbf{)}$ for Example 1.