From 58c73fd511b77cb94124b71a4bb75c7ab6a6d8bc Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Mon, 25 Sep 2023 10:36:23 -0600 Subject: add september notes & hw2 code / pdf --- notes/Sep-11.org | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'notes/Sep-11.org') diff --git a/notes/Sep-11.org b/notes/Sep-11.org index 1568618..3d71f2f 100644 --- a/notes/Sep-11.org +++ b/notes/Sep-11.org @@ -31,17 +31,18 @@ Table of Errors (lizfcm.utils:table (:headers '("u" "v" "e_{abs}" "e_{rel}") :domain-order (u v) :domain-values *u-v*) - (fround (eabs u v) 4) - (fround (erel u v) 4)) + (eabs u v) + (erel u v)) #+END_SRC #+RESULTS: -| u | v | e_{abs} | e_{rel} | -| 1 | 0.99 | 0.0 | 0.0 | -| 1 | 1.01 | 0.0 | 0.0 | -| -1.5 | -1.2 | 0.0 | 0.0 | -| 100 | 99.9 | 0.0 | 0.0 | -| 100 | 99 | 0.0 | 0.0 | +| u | v | e_{abs} | e_{rel} | +| 1 | 0.99 | 0.00999999 | 0.00999999 | +| 1 | 1.01 | 0.00999999 | 0.00999999 | +| -1.5 | -1.2 | 0.29999995 | 0.19999997 | +| 100 | 99.9 | 0.099998474 | 0.0009999848 | +| 100 | 99 | 1 | 1/100 | + Look at $u \approx 0$ then $v \approx 0$, $e_{abs}$ is better error since $e_{rel}$ is high. -- cgit v1.2.3-70-g09d2