第06章.zip

for n=10:-1:1 x(n)=sin(n*pi/5) end a=[1 2 3;4 5 6]; for v=a disp(v) end n=3; for k=1:n v=a(:,k) end k=0; for co=[3 6 2;7 6 8] k=k+1; d(k)=sqrt(co'*co) end x=[0:5:100]; y=cos(x); for k=0:5:100 y(k)=cos(k); end a=[0 -1 4;9 -14 25;-34 49 64]; for m=1:size(a,1) for n=1:size(a,2) if a(m,n)>=0; b(m,n)=sqrt(a(m,n)) else b(m,n)=a(m,n)+50 end end end c=(a>=0) a(c)=sqrt(a(c)) a(~c)=a(~c)+50