Error Messages/41047


Example warning text

 The computation of the Eigen-decomposition by EigenDecomp failed to converge to desired precision within the maximum 
 number of iterations.  If you ignore warnings, a result will be returned, but some or all of the components  may be 
 numerically incorrect or NaN.  Check the parameter to EigenDecomp, this error may occur when NaN or INF 
 values are present in the first parameter.

Cause

The algorithm that computes the eigen decomposition is an iterative convergence algorithm with a limit on the maximum number of iterations. The limit is set very high, so that this warning is rarely hit. If a case where the iteration does not actually converge is encountered, then of course it would never terminate, hence a limit is used. About the only cases where such a non-converging case can arise is when NaN or INF values exist in the matrix.

Remedies

Check the parameter to EigenDecomp and fix it, if necessary.

See Also

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