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Numerical Equations with Complex Coefficients

Published online by Cambridge University Press:  03 November 2016

E. H. Neville
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Extract

In response to Dr. Lidstone’s letter in the May number of the Gazette, I have solved the equation

z 2−(2+i)z + (4+3i)=0,

a quadratic equation with complex coefficients chosen at random, by a process, or rather a succession of processes, of complete generality.

Type
Research Article
Information
The Mathematical Gazette , Volume 20 , Issue 239 , July 1936 , pp. 178 - 181
Copyright
Copyright © Mathematical Association 1936 

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References

Page 178 of note * It was an odd oversight to think that squaring is less effective with complex coefficients than with real, since the contrary is the case; in general, if any coefficient is complex the roots are completely isolated sooner or later.