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X1=8747;Y1=15150;Z1=10100;X2=-9756;Y2=16898;Z2=5228;X3=0;Y3=10100;Z3=17494;X4=-12370;Y4=7142;Z4=14284;
T1=0.0549354;T2=0.0489226;T3=0.0491307;T4=0.0489244; %T1=(0.0549906),T2=(0.0490084),T3=(0.0491953),T4=(0.0490126); %T1=(0.0552587),T2=(0.0493557),T3=(0.0494843),T4=(0.0493610); %T1=((0.0551766),T2=(0.0493397),T3=(0.0493486),T4=(0.0492496); c=299792.458;
d1=c*T1;d2=c*T2;d3=c*T3;d4=c*T4;
%Location=GetLocation([Position1,d1],[Position2,d2],[Position3,d3],[Position4,d4]); %GetLocation()
%X2^2-X1^2+2*(X1-X2)*X+Y2^2-Y1^2+2*(Y1-Y2)*Y+Z2^2-Z1^2+2*(Z1-Z2)*Z=d2^2-d1^2;
%X3^2-X1^2+2*(X1-X3)*X+Y3^2-Y1^2+2*(Y1-Y3)*Y+Z3^2-Z1^2+2*(Z1-Z3)*Z=d3^2-d1^2; %X4^2-X1^2+2*(X1-X4)*X+Y4^2-Y1^2+2*(Y1-Y4)*Y+Z4^2-Z1^2+2*(Z1-Z4)*Z=d4^2-d1^2; %X4^2-X2^2+2*(X2-X4)*X+Y4^2-Y2^2+2*(Y2-Y4)*Y+Z4^2-Z2^2+2*(Z2-Z4)*Z=d4^2-d2^2; %X4^2-X3^2+2*(X3-X4)*X+Y4^2-Y3^2+2*(Y3-Y4)*Y+Z4^2-Z3^2+2*(Z3-Z4)*Z=d4^2-d3^2; %X3^2-X2^2+2*(X2-X3)*X+Y3^2-Y2^2+2*(Y2-Y3)*Y+Z3^2-Z2^2+2*(Z2-Z3)*Z=d3^2-d2^2; 415+37006*X-3496*Y+9744*Z==-1.8026e+003; u27+17494*X+10100*Y-14788*Z== -1.7402e+003; 211+42234*X+16016*Y-8368*Z==-1.8021e+003;
%simplify(X2^2-X1^2+2*(X1-X2)*X+Y2^2-Y1^2+2*(Y1-Y2)*Y+Z2^2-Z1^2+2*(Z1-Z2)*Z) a=[37006 -3496 9744 1.0808e+009 17494 10100 -14788 1.0434e+009 42234 16016 -8368 1.0805e+009 5228 19512 -18112 -3.2355e+005];
b=[-5.6125e+007-11415 -5.4291e+007-7527 -5.6109e+007-15211 1.5829e+004-3796]; linsolve(a,b')
³ÌÐò2£º syms X; syms Y; syms Z; syms a
X1=8747;Y1=15150;Z1=10100;X2=-9756;Y2=16898;Z2=5228;X3=0;Y3=10100;Z3=17494;X4=-12370;Y4=7142;Z4=14284; X5=-7669;Y5=15723;Z5=-10100;
T1=0.0547118;T2=0.0489472;T3=0.0489068;T4=0.0488635;T5=0.0633407; %T1=0.0549354;T2=0.0489226;T3=0.0491307;T4=0.0489244; %T1=(0.0549906),T2=(0.0490084),T3=(0.0491953),T4=(0.0490126); %T1=(0.0552587),T2=(0.0493557),T3=(0.0494843),T4=(0.0493610); %T1=((0.0551766),T2=(0.0493397),T3=(0.0493486),T4=(0.0492496); c=299792.458;
d1=c*T1;d2=c*T2;d3=c*T3;d4=c*T4;d5=c*T5;
%Location=GetLocation([Position1,d1],[Position2,d2],[Position3,d3],[Position4,d4]); %GetLocation()
%X2^2-X1^2+2*(X1-X2)*X+Y2^2-Y1^2+2*(Y1-Y2)*Y+Z2^2-Z1^2+2*(Z1-Z2)*Z=(T2^2-T1^2)*c^2+2*(T1-T2)*a*c^2;
%X3^2-X1^2+2*(X1-X3)*X+Y3^2-Y1^2+2*(Y1-Y3)*Y+Z3^2-Z1^2+2*(Z1-Z3)*Z=(T3^2-T1^2)*c^2+2*(T1-T3)*a*c^2;
%X4^2-X1^2+2*(X1-X4)*X+Y4^2-Y1^2+2*(Y1-Y4)*Y+Z4^2-Z1^2+2*(Z1-Z4)*Z=(T4^2-T1^2)*c^2+2*(T1-T4)*a*c^2;
%X5^2-X1^2+2*(X1-X5)*X+Y5^2-Y1^2+2*(Y1-Y5)*Y+Z5^2-Z1^2+2*(Z1-Z5)*Z=(T5^2-T1^2)*c^2+2*(T1-T5)*a*c^2;
415+37006*X-3496*Y+9744*Z==-7208210836756889/134217728+2446641123059313113983115151673/2361183241434822606848*a;
u27+17494*X+10100*Y-14788*Z==-7255899070444017/134217728+6838385131608113727/6553600000*a;
211+42234*X+16016*Y-8368*Z==-3653483375490965/67108864+1241082753355635753706848429249/1180591620717411303424*a;
%-6219+32832*X-1146*Y+40400*Z==6144010053861751/67108864-7324644064381407470926805223071/4722366482869645213696*a
%simplify(X2^2-X1^2+2*(X1-X2)*X+Y2^2-Y1^2+2*(Y1-Y2)*Y+Z2^2-Z1^2+2*(Z1-Z2)*Z) a=[37006 -3496 9744 -1.0362e+009 17494 10100 -14788 -1.0435e+009 42234 16016 -8368 -1.0512e+009 32832 -1146 40400 1.5511e+009 ];
b=[-5.3705e+007-11415 -5.4061e+007-7527 -5.4441e+007-15211 9.1553e+007+6219]; linsolve(a,b')