]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Augment docs.
authorwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 15 Jun 2000 07:41:23 +0000 (07:41 +0000)
committerwolf <wolf@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 15 Jun 2000 07:41:23 +0000 (07:41 +0000)
git-svn-id: https://svn.dealii.org/trunk@3020 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/deal.II/include/fe/fe.h

index 24c6cb1fd9f8880a1b4ddc9921cdb839b913bc2f..d84002b32e36c47d0b2b36080946629c884d8ab3 100644 (file)
@@ -1041,17 +1041,26 @@ class FiniteElement : public FiniteElementBase<dim>
                                const Point<dim> &p) const = 0;
 
                                     /**
-                                     * Return the gradient of the #i#th shape
-                                     * function at the point #p#.
-                                     * #p# is a point on the reference element,
+                                     * Return the gradient of the
+                                     * #i#th shape function at the
+                                     * point #p#.  #p# is a point on
+                                     * the reference element, and
+                                     * likewise the gradient is the
+                                     * gradient on the unit cell with
+                                     * respect to unit cell
+                                     * coordinates.
                                      */
     virtual Tensor<1,dim> shape_grad (const unsigned int  i,
                                      const Point<dim>   &p) const = 0;
 
                                     /**
-                                     * Return the tensor of second derivatives
-                                     * of the #i#th shape function at
-                                     * point #p# on the unit cell.
+                                     * Return the tensor of second
+                                     * derivatives of the #i#th shape
+                                     * function at point #p# on the
+                                     * unit cell. The derivatives are
+                                     * derivatives on the unit cell
+                                     * with respect to unit cell
+                                     * coordinates.
                                      */
     virtual Tensor<2,dim> shape_grad_grad (const unsigned int  i,
                                           const Point<dim>   &p) const = 0;

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