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Cortex-M 的代码
cross_over.m
function y=cross_over(chrom)
% [m,n]=size(chrom);
% temchrom=zeros(1,n);
% for i=1:2:m-1
% % c=rand(1);
% % temchrom=chrom(i,:);
% % chrom(i,:)=c.*chrom(i,:)+(1-c).*chrom(i+1,:);
%
hermite.m
%f(x)=sin(x)
%x=0.5:0.2:1.9;
%y=[0.4794,0.6442,0.7833,0.8912,0.9636,0.9975,0.9917,0.9463];
x=-1:0.01:1;
y=1./(1+25*x.^2);
y1=-50./(1+25.*x.^2).^2.*x;%y的导数
n=length(x);
x1=-0.9:0.1:0.9;
m=lengt
hotqch.m
clear all
close all
a=0;b=1;m=10;T=0.5;N=1000;af=1;
f=inline('sin(pi*x)','x');
h=(b-a)/m;
k=T/N;
lmd=af^2*k/h^2; %注意lmd一定要小于0.5,只有这样差分法才稳定
x=linspace(a,b,m+1);
u(1,1:N+1)=0;
u(m+1,1:N+1)=0;
ytiao.m
function y=ytiao(x,x1,m,h)
n=length(x);
L=length(x1);
for k=1:L
for i=1:n-1
if (x1(k)>=x(i)&x1(k)
fitpt.m
function fp=fitpt()
%最小二乘
%基取{1, x, ...}
%fitpt.m
%默认算例为课本：P65，例3.2
% x=[0,1,2,3,4,5,6,7]
% y=[3.95,6.82,9.78,12.91,15.74,19.26,21.73,24.07]
%结果：P(x) = 4.005 + 2.936x 平方误差=0.6162
%MatLab函
yangtiao.m
function yangtiao(X,Y,x)
n=length(X);
m=length(x);
for i=1:n-1
h(i)=X(i+1)-X(i);
end
for i=2:n-1
l(i)=h(i+1)/(h(i)+h(i+1));
u(i)=1-l(i);
g(i)=3*(l(i)*(Y(i)-Y(i-1))/h(i-1))+u(i
cn.m
close all;
clear all;
a=0;b=1;m=10;T=0.5;N=50;af=1;
f=inline('sin(pi*x)','x');
h=(b-a)/m;
k=T/N;
lmd=af^2*k/h^2;
x=linspace(a,b,m+1);
x=x(2:m+1);
u(m)=0;
for i=1:m-1
u(i)=f(i*h);
end
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]';
untitled.m
close all;
clear all;
a=0;b=2;c=0;d=1;
n=6;m=5;TOL=1e-10;
ITMAX=100;
f=inline('x*exp(y)','x','y');
ga=inline('0','x','y');gb=inline('2*exp(y)','x','y');
gc=inline('x','x','y');gd=inline('exp(1)
wavequ.m
%波动方程有限差分法
f=inline('sin(pi*x)','x');
g=inline('0');
l=1;T=0.5;m=10;N=10;af=1;
xx=[];tt=[];uu=[];
h=l/m;
k=T/N;
lmd=k*af/h;
u(1,2:N+1)=0;
u(m+1,2:N+1)=0;
u(1,1)=f(0);
u(m+1,1)=f(l);
for i=