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vtjnash / Polynomial.jl

Polynomial manipulations
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realroots #14

Open vtjnash opened 10 years ago

vtjnash commented 10 years ago

add realroots function. see #13

yakir12 commented 10 years ago

I just wanted to drop an opinion: a realroots function that returns only real roots AND is faster would be very useful. Any additional restrictions resulting in faster computation times would also be very welcomed (e.g. positiveroots, negativeroots, uniqueroots, smallestroot, largestroot, and other interesting restrictions). My opinion comes from the fact that roots is hogging almost all of the run-time from my program, and I would love to minimize it.