]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Improve formulas.
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Thu, 16 Mar 2006 17:03:16 +0000 (17:03 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Thu, 16 Mar 2006 17:03:16 +0000 (17:03 +0000)
git-svn-id: https://svn.dealii.org/trunk@12636 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-10/step-10.cc

index 64ecff8720c766f06680f9027724458f4a7ff2e6..d61f676ddf4c43312b5f2bcc7e168f500bb1c2c6 100644 (file)
@@ -266,14 +266,14 @@ void gnuplot_output()
                                 // of value 1 over the whole
                                 // computational domain, i.e. by
                                 // computing the areas $\int_K 1
-                                // dx=\int_{\hat K} 1 det J(\hat x)
-                                // d\hat x \approx \sum det J(\hat
-                                // xi)w(\hat xi)$, where the sum
+                                // dx=\int_{\hat K} 1\ \text{det}\ J(\hat x)
+                                // d\hat x \approx \sum \text{det}\ J(\hat
+                                // x_i)w(\hat x_i)$, where the sum
                                 // extends over all quadrature points
                                 // on all active cells in the
-                                // triangulation, with $w(xi)$ being
+                                // triangulation, with $w(x_i)$ being
                                 // the weight of quadrature point
-                                // $xi$. The integrals on each cell
+                                // $x_i$. The integrals on each cell
                                 // are approximated by numerical
                                 // quadrature, hence the only
                                 // additional ingredient we need is

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