用matlab解三元方程组！！！谢谢了

Answer 1

clc
syms x y z;
[x,y,z]=solve('449.15=x/(1-y*exp(-1995*z))','701.24=x/(1-y*exp(-2000*z))','827.75=x/(1-y*exp(-2005*z))',x,y,z);
X=eval(x)
Y=eval(y)
Z=eval(z)