1. Kopal, Z., Numerical Analysis 2nd ed., (John Wiley and Sons, New York, 1961).
2. Robertson, H. H., Proc. Cambridge Phil. Soc. 52, 535 (1956)
3. Dongarra, J. J., Moler, C. B., Bunch, J. R. and Stewart, G. W., LINPACK Users’ Guide, (SIAM, Philadelphia/1979)
4. Faddeev, D. K. and Faddeeva, V. N., Computational Methods of Linear Algebra (W.H. Freeman and Co., San Francisco and London, 1963)
5. Simply stated the problem is that the numerical integration process becomes contaminated by the exponentially growing, unwanted other solution to the second order set of equations. The undesired solutions may be eliminated during the integration process by matrix factorization procedures which take N
3 operations.