Теория массового обслуживания. Сивохин А.В - 146 стр.

    - p42 p21)

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p11:=Pi1[1,1];p12:=Pi1[1,2];p13:=Pi1[1,3];p14:=P
i1[1,4];
p21:=Pi1[2,1];p22:=Pi1[2,2];p23:=Pi1[2,3];p24:=P
i1[2,4];
p31:=Pi1[3,1];p32:=Pi1[3,2];p33:=Pi1[3,3];p14:=P
i1[3,4];
p41:=Pi1[4,1];p42:=Pi1[4,2];p43:=Pi1[4,3];p14:=P
i1[4,4];
p1Sym:=rhs(SymPi[1]);
p2Sym:=rhs(SymPi[2]);
p3Sym:=rhs(SymPi[3]);
p4Sym:=rhs(SymPi[4]);
SymSumPi:=p1Sym+p2Sym+p3Sym+p4Sym;
SetPi:=solve({p1*p11+p2*p21+p3*p31+p4*p41=p1,

p1*p12+p2*p22+p3*p32+p4*p42=p2,

p1*p13+p2*p23+p3*p33+p4*p43=p3,

p1+p2+p3+p4=1},{p1,p2,p3,p4});
SumPi:=rhs(SetPi[1])+rhs(SetPi[2])+rhs(SetPi[3])
+rhs(SetPi[4]);
                     p11 := 0.134

                     p12 := 0.234

                     p13 := 0.266

                     p14 := 0.366

                     p21 := 0.234

                     p22 := 0.166

                     p23 := 0.334

                     p24 := 0.266

                     p31 := 0.434

                     p32 := 0.234



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