update practice exams

diff --git a/methods/methods-collated.poly.gnuplot b/methods/methods-collated.poly.gnuplot
index 1c600c110ec8fd6fc43c976e8f8266a6c2c612b7..c81603143cec9e3e1d44598d52b0795f60e30148 100644 (file)
--- a/methods/methods-collated.poly.gnuplot
+++ b/methods/methods-collated.poly.gnuplot
@@ -1,2 +1,2 @@
 set table "methods-collated.poly.table"; set format "%.5f"
-set format "%.7e";; set samples 1000; set dummy x; plot [x=-2:2] sgn(x)*(abs(x)**(1./3)) ;
+set format "%.7e";; set samples 100; set dummy x; plot [x=-2:2] sgn(x)*(abs(x)**(1./3)) ;