simu_s.m

用于随机模拟

% simulation of s(t)
N=2^10;
s0=10;
sigma=0.3;
r=0.05;
for i=1:n
    s(i)=s0+r*T+sigma*b(i);
end
figure(2);
plot([s0,s])
grid
xlabel('t');
ylabel('s(t)');
title('s(t)')