fork download

copy

function x=DelGauss(a,b) 
% Gauss消去法 
[n,m]=size(a);
 nb=length(b);  
det=1; 
%存储行列式值 
x=zeros(n,1); 
for k=1:n-1     
for i=k+1:n         
if a(k,k)==0           
  return        
 end     
 m=a(i,k)/a(k,k);     
 for j=k+1:n          
 a(i,j)=a(i,j)-m*a(k,j);    
  end      
 b(i)=b(i)-m*b(k); 
 end  
 det=det*a(k,k); 
%计算行列式
 end  
det=det*a(n,n); 
 for k=n:-1:1  %回代求解  
   for j=k+1:n         
 b(k)=b(k)-a(k,j)*x(j);   
  end      
x(k)=b(k)/a(k,k);
 
    end

Main.java:1: error: class, interface, or enum expected
function x=DelGauss(a,b) 
^
Main.java:4: error: class, interface, or enum expected
 nb=length(b);  
 ^
Main.java:5: error: class, interface, or enum expected
det=1; 
^
Main.java:6: error: class, interface, or enum expected
%?????? 
^
Main.java:8: error: class, interface, or enum expected
for k=1:n-1     
^
Main.java:14: error: class, interface, or enum expected
 for j=k+1:n          
 ^
Main.java:16: error: class, interface, or enum expected
  end      
  ^
Main.java:18: error: class, interface, or enum expected
 end  
 ^
Main.java:20: error: class, interface, or enum expected
%?????
^
Main.java:23: error: class, interface, or enum expected
 for k=n:-1:1  %????  
 ^
Main.java:26: error: class, interface, or enum expected
  end      
  ^
Main.java:29: error: reached end of file while parsing
    end
    ^
12 errors

Standard output is empty