Cyclotomic polynomial: Difference between revisions
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(J: FFT speedup for polynomial multiplication and division) |
m (fix name to match presentation here.) |
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,(y%*/q) {."0 (* 1 _1 $~ #) cyclotomic */}.q |
,(y%*/q) {."0 (* 1 _1 $~ #) cyclotomic */}.q |
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elseif. 1 e. 1 < p do. |
elseif. 1 e. 1 < p do. |
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,(y%*/q) {."0 |
,(y%*/q) {."0 cyclotomic */q |
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else. |
else. |
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lgl=. {:$ ctlist=. cyclotomic "0 }:*/@>,{1,each q NB. ctlist is 2-d table of polynomial divisors |
lgl=. {:$ ctlist=. cyclotomic "0 }:*/@>,{1,each q NB. ctlist is 2-d table of polynomial divisors |
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