Fig. 8

Diagram of the solutions Eq. (20). \(\:y=z=1,{\beta\:}_{2}=1,{\beta\:}_{3}=0.5,{a}_{1}=2,{a}_{3}=2,{a}_{4}=0.5,\:{a}_{2}=0.5,\:{\alpha\:}_{1}=1,{\alpha\:}_{2}=-0.5,\:r=1.5\).

Diagram of the solutions Eq. (20). \(\:y=z=1,{\beta\:}_{2}=1,{\beta\:}_{3}=0.5,{a}_{1}=2,{a}_{3}=2,{a}_{4}=0.5,\:{a}_{2}=0.5,\:{\alpha\:}_{1}=1,{\alpha\:}_{2}=-0.5,\:r=1.5\).