From a44536af5548dec6b142cda8cf7f253bd290ae9e Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Sat, 1 Jun 2013 19:18:40 +0200
Subject: [PATCH] Whitespace
---
dune/tectonic/localfriction.hh | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/dune/tectonic/localfriction.hh b/dune/tectonic/localfriction.hh
index 5edabfca..2320302a 100644
--- a/dune/tectonic/localfriction.hh
+++ b/dune/tectonic/localfriction.hh
@@ -46,19 +46,19 @@ template <int dimension> class LocalFriction {
/** Formula for the derivative:
- \f{align*}{
+ \f{align*}{
\frac {d^2}{dz^2} H(|z|)
&= \frac d{dz} \left( H'(|z|) \otimes \frac z{|z|} \right)\\
&= H''(|z|) \frac z{|z|} \otimes \frac z{|z|}
+ H'(|z|) \left( \frac {|z| \operatorname{id} - z \otimes z/|z|}{|z|^2}
- \right)\\
+ \right)\\
&= \frac {H''(|z|)}{|z|^2} z \otimes z
+ \frac {H'(|z|)}{|z|} \operatorname{id}
- \frac {H'(|z|)}{|z|^3} z \otimes z\\
&= \left( \frac {H''(|z|)}{|z|^2} - \frac {H'(|z|)}{|z|^3} \right) z
- \otimes z
+ \otimes z
+ \frac {H'(|z|)}{|z|} \operatorname{id}
- \f}
+ \f}
*/
void addHessian(VectorType const &x, MatrixType &A) const {
double const xnorm2 = x.two_norm2();
--
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