the computational region larger and larger.
<li> What happens if we investigate the simple harmonic oscillator
-problem $V(\mathbf x)=c|\mathbf x|^2$? This potential is exactly of the form
-discussed in the previous paragraph and one may want to use a large spherical
-domain to approximate the whole-space problem.
-
-<li> What happens if the particle in the box has <i>internal</i>
-degrees of freedom? For example, if the particle were a spin-$1/2$
-particle? In that case, we may want to start solving a vector-valued
-problem instead.</li>
+problem $V(\mathbf x)=c|\mathbf x|^2$? This potential is exactly of
+the form discussed in the previous paragraph and has hyper spherical
+symmetry. Oone may want to use a large spherical domain with a large
+outer radius, to approximate the whole-space problem (say, by invoking
+GridGenerator::hyper_ball).
+
+<li> What happens if the particle in the box has internal degrees of
+freedom? For example, if the particle were a spin-$1/2$ particle? In
+that case, we may want to start solving a vector-valued problem
+instead.</li>
</ul>
-/* $Id$ */
+/* $Id$ */
/* Author: Toby D. Young, Polish Academy of Sciences, */
/* Wolfgang Bangerth, Texas A&M University */
-/* $Id$ */
+/* $Id$*/
/* */
/* Copyright (C) 2009 by the deal.II authors */
/* */
{
parameters.declare_entry ("Global mesh refinement steps", "5",
Patterns::Integer (0, 20),
- "The number number of times the 1-cell coarse mesh should "
+ "The number of times the 1-cell coarse mesh should "
"be refined globally for our computations.");
- parameters.declare_entry ("Number of eigenvalues/eigenfunctions", "10",
+ parameters.declare_entry ("Number of eigenvalues/eigenfunctions", "5",
Patterns::Integer (0, 100),
"The number of eigenvalues/eigenfunctions "
"to be computed.");
+# Listing of Parameters
+# ---------------------
+# The number of times the 1-cell coarse mesh should be refined globally for
+# our computations.
set Global mesh refinement steps = 5
-set Number of eigenvalues/eigenfunctions = 6
-set Potential = 0 # if (x^2 + y^2 < 0.75^2, if (x*y > 0, -100, -5), 0)
+
+# The number of eigenvalues/eigenfunctions to be computed.
+set Number of eigenvalues/eigenfunctions = 5
+
+# A functional description of the potential.
+set Potential = 0