//EXAMPLE 7-14 PG NO469-470 Y11a=0.86; Y11b=1.5; Y12a=-0.57; Y12b=-0.5; Y21a=-0.57; Y21b=-0.5; Y22a=0.714; Y22b=2.5; Y11=Y11a+Y11b; disp('i) IMPEDANCE (Y11) is = '+string (Y11) +'mho '); Y12=Y12a+Y12b; disp('i) IMPEDANCE (Y12) is = '+string (Y12) +'mho '); Y21=Y21a+Y21b; disp('i) IMPEDANCE (Y21) is = '+string (Y21) +'mho '); Y22=Y22a+Y22b; disp('i) IMPEDANCE (Y22) is = '+string (Y22) +'mho ');