added

git-svn-id: http://moon:8086/svn/matlab/trunk@99 801c6759-fa7c-4059-a304-17956f83a07c
2018-08-30 18:06:49 +00:00
parent 07c78cd992
commit 1ab94a4bea
24 changed files with 988 additions and 0 deletions
@@ -0,0 +1,16 @@
+function pf_eval(Np)
+N = 100;
+kn = 0.05;
+R = 4;
+x = (0:N-1)/N;
+xr = x(1:R:N)
+y = sin(0.25*2*pi*xr);
+
+Nr = length(xr);
+yn = y + kn*(0.5-rand(1,Nr));
+[p,s] = myPolyfit(xr,yn,Np);
+
+yh = polyval(p,x);
+
+plot(xr, yn, 'ro', x, yh, 'b.'); grid; legend('y','y_h');
+s=s