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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@919178 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2010-03-04 20:56:26 +00:00
parent 11a792efbe
commit 1bb6d2ad6b
1 changed files with 2 additions and 2 deletions
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4
src/test/java/org/apache/commons/math/ode/jacobians/FirstOrderIntegratorWithJacobiansTest.java
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@ -32,12 +32,12 @@ public class FirstOrderIntegratorWithJacobiansTest {
public void testLowAccuracyExternalDifferentiation()
throws IntegratorException, DerivativeException {
// this test does not really test FirstOrderIntegratorWithJacobians,
// it only shows the WITHOUT this class, attempting to recover
// it only shows that WITHOUT this class, attempting to recover
// the jacobians from external differentiation on simple integration
// results with loo accuracy gives very poor results. In fact,
// the curves dy/dp = g(b) when b varies from 2.88 to 3.08 are
// essentially noise.
// This test is taken from Heirer, Norsett and Wanner book
// This test is taken from Hairer, Norsett and Wanner book
// Solving Ordinary Differential Equations I (Nonstiff problems),
// the curves dy/dp = g(b) are in figure 6.5
FirstOrderIntegrator integ =