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A 的代码
nf_drv_load.a51
/*A**************************************************************************
* NAME: nf_drv_load.a51
*----------------------------------------------------------------------------
* Copyr
startup.a51
/*A**************************************************************************
* NAME: startup.a51
*----------------------------------------------------------------------------
* Copyright (
to.tbl
A, ..\SOURCE
C, ..\SOURCE
D, ..\DOC
L, ..\LST
O, ..\OBJ
P, ..\PROD
T, ..\TEST
W, ..\WORK
AIO, \SOFTWARE\BLOCKS\AI
deuler.m
a=0;
b=1;
N=40;
af=1;
Euler(a,b,N,af);
%Taylor(a,b,N,af);
%RK(a,b,N,af);
jtf.m
a(1)=1;
t=2;
h(1)=0.02;
y(1)=f2(a);
e=10^(-4);
while(k>0)
a(k+1)=a(k)+h(k);
y(k+1)=f2(a(k+1));
if(y(k+1)
追赶法求解三对角方程.m
a=[2,-1,0,0;-1,2,-1,0;0,-1,2,-1;0,0,-1,2];
b=[1,0,0,1];
n=size(a,1);
l(1,1)=a(1,1);
for i=1:n-1
l(i+1,i)=a(i+1,i);
u(i,i+1)=a(i,i+1)/l(i,i);
l(i+1,i+1)=a(i+1,i+1)-l(i+1,i)*u(i,i+1);
cgls.m
A=[5,-4,1,0;-4,6,-4,1;1,-4,6,-4;0,1,-4,5];
b=[2,-1,-1,2]';
n=length(b);
w=10;
D=diag(diag(A));
CL=-triu(A,1);
CLZ=CL';
L=((D-w*CL)*D.^(1/2))/sqrt(w*(2-w));
M=L*L';
C=inv(D)*CL;
u=[2,3,4,5]';
平方根法.m
a=[4,-1,1;-1,4.25,2.75;1,2.75,3.5];
b=[8,4,10];
%a=[1,2,3;2,5,2;3,1,5];
%b=[14,18,20];
n=size(a,1);
l(1,1)=sqrt(a(1,1));
for i=2:n
l(i,1)=a(i,1)/l(1,1);
end
for j=2:n
sum1=0;
fo