==================
:file:`1P_line.py`
==================

Description 
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This example propagates a 1 particle continuous-time quantum walk on an infinite line

Amongst the features used, it illustrates:
	*   recieving command line options using PETSc 
	*   the use of the chebyshev algorithm
			- setting the EigSolver tolerance
	*   adding a diagonal defects to various nodes
	*   creating node handles to watch the probability at specified nodes
	*   various plotting abilities:
	        - probability vs node plots
	        - probability vs time plots

Output
------------

.. image:: 1p_line_plot.png
    :width: 360pt

.. image:: 1p_line_nodes.png
    :width: 360pt



Source Code
--------------------------------------------------------
[:download:`Download source code </../examples/1P_line.py>`]

.. literalinclude:: /../examples/1P_line.py
    :linenos: