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Gist to run and test the Durand-Kerner Algorithm online and view the roots convergence

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Krishna Vedala 2020-04-23 19:37:16 -04:00
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commit d4d1902c98
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numerical_methods/durand_kerner_roots.c
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@ -6,6 +6,11 @@
#include <limits.h> #include <limits.h>
#include <complex.h> #include <complex.h>
/**
* Test the algorithm online:
* https://gist.github.com/kvedala/27f1b0b6502af935f6917673ec43bcd7
**/
/*** /***
* Try the highly unstable Wilkinson's polynomial: * Try the highly unstable Wilkinson's polynomial:
* ./numerical_methods/durand_kerner_roots.c 1 -210 20615 -1256850 53327946 -1672280820 40171771630 -756111184500 11310276995381 -135585182899530 1307535010540395 -10142299865511450 63030812099294896 -311333643161390640 1206647803780373360 -3599979517947607200 8037811822645051776 -12870931245150988800 13803759753640704000 -8752948036761600000 2432902008176640000 * ./numerical_methods/durand_kerner_roots.c 1 -210 20615 -1256850 53327946 -1672280820 40171771630 -756111184500 11310276995381 -135585182899530 1307535010540395 -10142299865511450 63030812099294896 -311333643161390640 1206647803780373360 -3599979517947607200 8037811822645051776 -12870931245150988800 13803759753640704000 -8752948036761600000 2432902008176640000