a=5.67e+08;%黑體輻射常數
x=0.2;%角系數
A=1;
b=input('please input;b=');%b為灰度
T1=input('please input;T1=');%表面1的溫度
Eb1=b*a*T1^4;
T2=input('please input;T2='); %表面2的溫度
Eb2=b*a*T2^4;
T3=input('please input;T3=');% 表面3的溫度
Eb3=b*a*T3^4;
T4=input('please input;T4='); %表面4的溫度
Eb4=b*a*T4^4;
T5=input('please input;T5='); %表面5的溫度
Eb5=b*a*T5^4 ;
T6=input('please input;T6='); %表面6的溫度
Eb6=b*a*T6^4;
[Eb1,Eb2,Eb3,Eb4,Eb5,Eb6];
syms J1 J2 J3 J4 J5 J6;
[J1,J2,J3,J4,J5,J6]=solve('(Eb1-J1)/(1/(A*b)-1/A)+(J2-J1)/(1/A*x)+(J3-J1)/(1/A*x)+(J4-J1)/(1/A*x)+(J5-J1)/(1/A*x) +(J6-J1)/(1/A*x)=0',...
'(Eb2-J2)/(1/(A*b)-1/A)+(J1-J2)/(1/A*x)+(J3-J2)/(1/A*x)+(J4-J2)/(1/A*x)+(J5-J2)/(1/A*x) +(J6-J2)/(1/A*x)=0',...
'(Eb3-J3)/(1/(A*b)-1/A)+(J2-J3)/(1/A*x)+(J1-J3)/(1/A*x)+(J4-J3)/(1/A*x)+(J5-J3)/(1/A*x) +(J6-J3)/(1/A*x)=0',...
'(Eb4-J4)/(1/(A*b)-1/A)+(J2-J4)/(1/A*x)+(J3-J4)/(1/A*x)+(J1-J4)/(1/A*x)+(J5-J4)/(1/A*x) +(J6-J4)/(1/A*x)=0',...
'(Eb5-J5)/(1/(A*b)-1/A)+(J2-J5)/(1/A*x)+(J3-J5)/(1/A*x)+(J4-J5)/(1/A*x)+(J1-J5)/(1/A*x) +(J6-J5)/(1/A*x)=0',...
'(Eb6-J6)/(1/(A*b)-1/A)+(J2-J6)/(1/A*x)+(J3-J6)/(1/A*x)+(J4-J6)/(1/A*x)+(J5-J6)/(1/A*x) +(J1-J6)/(1/A*x)=0',...
' J1','J2','J3','J4','J5','J6');
[J1,J2,J3,J4,J5,J6] ;
Q1=(Eb1-J1)/(1/(A*b)-1/A);
Q2=(Eb2-J2)/(1/(A*b)-1/A);
Q3=(Eb3-J3)/(1/(A*b)-1/A);
Q4=(Eb4-J4)/(1/(A*b)-1/A);
Q5=(Eb5-J5)/(1/(A*b)-1/A);
Q6=(Eb6-J6)/(1/(A*b)-1/A);
Q1=eval(Q1)
Q2=eval(Q2)
Q3=eval(Q3)
Q4=eval(Q4)
Q5=eval(Q5)
Q6=eval(Q6)
請使用上面的程序段,問題自己看看對比壹下就行了!
祝妳學習愉快!