R26

// Zadanie R26
function U=R26
  E=5; w0=1e5; R1=500; R2=200; R3=250; L1=5e-3; L2=2e-3;
  C1=20e-9; C2=5e-9; a=2;
  Y1=1/(R1+1/(j*w0*C1));
  Y2=1/(R2+1/(j*w0*C2));
  Y3=1/R3+1/(j*w0*L2);
  Y4=1/(j*w0*L1);
  Yn=[Y1+Y2+Y4+a*Y4 -Y2-Y4-a*Y4
      -Y2-Y4 Y2+Y3+Y4];
  In=[E*Y1;0];
  Un=Yn\In;
  U=Un(2);