Changing back to a tolerance of 1e-14 in bisection.

dlfivefifty · Jul 2, 2013 · e482658 · e482658
1 parent e68ed14
commit e482658
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/sample.m b/sample.m
@@ -72,8 +72,7 @@
 
 % bisection method
 a = -ones(N,1); b = ones(N,1);
-% while norm(b-a,inf) > eps
-for iter = 1:(-log2(eps)+1)
+while norm(b-a,inf) > 1e-14
     vals = Clenshaw_evaluate(c,(a+b)/2);
     I1 = ((vals-r)<=-1e-14); I2 = ((vals-r)>=1e-14); I3 = ~I1 & ~I2;
     a = I1.*(a+b)/2 + I2.*a + I3.*(a+b)/2;

diff --git a/test.m b/test.m
@@ -50,11 +50,13 @@
         contour(g,.01:.1:max2(g)), hold on, 
         plot(X,Y,'.','markersize',6),
         axis([dom1 dom2])
+        pause(.3)
     else
         X = sample(f,dom1,100);
         g = chebfun(f,dom1); 
         plot(g), hold on, plot(X,0*X,'.')
         xlim([dom1])
+        pause(1)
     end
-    pause(.3), hold off
+    hold off
 end