c4l3.m

这是本战略战术导弹制导的书中的matlab程序,比书中的 forchan程序简单易懂

% Preallocation
Z=zeros(1,100);
count=0;
Z1=0;
for I=1:100
	SUM=0;
	for J=1:12
		RAND=rand(1);
		SUM=SUM+RAND;
	end;
   X=SUM-6;
   Z(I)=X;
   Z1=Z(I)+Z1;
   XMEAN=Z1/I;
end;
SIGMA=0;
Z1=0;
for I=1:100
   Z1=(Z(I)-XMEAN)^2+Z1;
	if I == 1
		SIGMA=0;
	else
		SIGMA=sqrt(Z1/(I-1));
	end;
	count=count+1;
	ArrayI(count)=I;
	ArraySIGMA(count)=SIGMA;	
end;
figure
plot(ArrayI,ArraySIGMA),grid
title('Sampled Standard Deviation')
xlabel('Number of Samples')
ylabel('Calculated Standard Deviation')
clc
disp '*** Simulation Complete'
output=[ArrayI',ArraySIGMA'];
save datfil.txt output  -ascii
disp 'simulation finished'