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RAR registration data
Alexander Aymanov
Single PC usage license
UID=dc1d9fdb26f9be064d83
64122122504d83d04ee243231738b88600fb267f1d3b9632421295
d1048b98780395138be06035c6ab9048e2c5c62f0238f183d28519
aa87488bf38f5b634cf28190bdf438ac593b1857cdb55a7fcb0eb0
c3e4c2736090b3dfa45384e08e9de05c58609e0915bfdc561003a6
755c95e82155892c0f36e7ff4b3d62f55230e8ad51b6756d092d0b
89e5c480d3449cc0c7
 
2007-12-14 13:33
%ÓÃÀ´¾ÍÊýÖµ»ý·Ö
%fxÊÇÓÉsyms¶¨ÒåµÄº¯Êý±í´ïʽ
function Trapezia(a,b,fx,E,N)
fprintf('\n***********start*************\n');
h=(b-a)/2;
a=a+E/10;%ÓÃÀ´¼õÉÙ³öÏÖ³ýÊýΪÁãµÄÇé¿ö
               %±ÈÈç¶Ôº¬ÓÐ1/xµÄº¯Êý»ý·ÖÇÒ»ý·ÖÇø¼ä´Ó0¿ªÊ¼
               %ÔÚÌÝÐι«Ê½¼°Simpson¹«Ê½Ëã·¨ÖбØÈ»³öÏÖ³ýÊýΪÁãµÄÇé¿ö
     
 
2007-12-14 13:30
function Newton(fx,x0,E,N)
%digits(10)
x=0
for n=1:N
    x=x0-subs(fx,x0)/subs(diff(fx),x0);
    fprintf('%f\n',x);
    if abs(det(x-x0))<E
        break;
    end
    if n<N
        n=n+1;
        x0=x;
    else
    
 
2007-12-14 13:29
function Gauss_Seidel(A,b,n,x0,E,N)
k=1
x=zeros(n,1)';%¹¹ÔìÁÐÏòÁ¿
fprintf('\n**********start**************\n',k);
for k=1:N
    fprintf('%d\t',k);
    %calculate x(1)
    x(1)=b(1)/A(1,1);
    for j=2:n
        x(1)=x(1)-A(1,j)*x0(j)/A(1,1);
    end
    fprintf('%f\t',x(1));
    %calculate x(i)
 
2007-12-14 13:26
function [x1]=yakebi(A,b)
%Jacobi mehtod to solve the linear equation
%chinamaker@dytrol.com,12.18
num=length(A);
M=zeros(num,num);
x=zeros(num,1);
N=-A;
for i=1:num
M(i,i)=A(i,i);
N(i,i)=0;
x(i,1)=1;
end
err=1;
B=inv(M)*N;
g=inv(M)*b;
while abs(err)>0.00001
xx=B*x+g;
err=norm(xx-x,1);
x=xx;
end
x1=x;%Jacobi method result
 
   
 
 
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refer to "rref"(MATLAB built-in function)
   
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