//Example 6-24// //Solve multiple output equation using mapping// clc //clears the window// clear //clears all existing variables// disp('f1=Sigma m(0,1,2,4,6,7,10,14,15)') //First function is displayed// disp('f2=Sigma m(3,4,5,9,10,11,14) ') //Second function is displayed// disp('f1.f2=Sigma m(4,10,14)') //Taking the common entries// disp('Mapping for f1.f2') disp(' C''D'' C''D CD CD'' ') disp('A''B'' 0 0 0 0 ') disp('AB'' 1 0 0 0 ') disp('AB 0 0 0 1 ') disp('AB'' 0 0 0 1 ') disp(' From the map, high outputs for 4,10,14') //given logic equation// a=[0 1 0 0;1 0 1 0;1 1 1 0] disp(a) for i=1: 3 if a(i,1)==1 then b(i,1)='A' else b(i,1)='A''' end if a(i,2)==1 then b(i,2)='B' else b(i,2)='B''' end if a(i,3)==1 then b(i,3)='C' else b(i,3)='C''' end if a(i,4)==1 then b(i,4)='D' else b(i,4)=' D'' ' end end disp(' evaluating expression from truth table and map ') l=strcat([ b(1,1),b(1,2),b(1,3),b(1,4)]) m=strcat([ b(2,1),b(2,2),b(2,3),b(2,4)]) n=strcat([ b(3,1),b(3,2),b(3,3),b(3,4)]) x=strcat([l"+",m"+",n]) disp(x) //Expression is displayed// disp('now reducing expression using boolean algebra') disp('ACD''+A''BC''D''')