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On January 13 2011 08:35 latan wrote:
what is with all the math talk in these live reports? anyway i'm gonna set the record straight yet again, sqrt(whatever) is ambiguous because in the complex plane every number has two square roots, so to be formal about it you would have to make sqrt() and actual function and restrict it's domain so it can only produce one value, for instance, restrict it to real and positive numbers. in that case, the correct notation would have to be sqrt(5)*i, which is a number such that its square equals -5.
If you look at my post, I've made it clear that sqrt( ) is not a function (except for in a programming sense), and that it's just a (potentially confusing) substitute for writing the radical sign.
That's why I also said it's perfectly fine to SAY (emphasis there) sqrt(-1). And yes, -1 does have a square root, in fact it has 2.
You're also incorrect in saying that you have to limit the domain produce only one value, since the square root of 4 is 2 and -2.
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Guys, guys, guys...no need to fight. There is enough of me to go around...
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On January 12 2011 23:49 -Archangel- wrote:
So is there any place I can see this BO Zenio used in the first game against Tester?
pool gaz hatch, fast lair, 4 refineries, speed, spire as soon as lair is finished, cut drones, then spam mutas and lings with remainings minerals.
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Wow Tester really stepped up even after being out of the last 2 GSLs maybe he will show Toss have a stronger footing than once believed even with MC
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On January 13 2011 10:34 sqrt wrote:
Guys, guys, guys...no need to fight. There is enough of me to go around...
lmao hahahahaha. okay i did not expect that
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Just watched the series. Sorta sad, but no BIG deal. There is always next time around.
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Bought premium and watched the vods because I missed it last night.
Pretty entertaining matches. Happy that Nestea and Tester went through (also clean sweep on Liquibet), but also kind of sad there wasn't an epic final match. Verrrrrrry glad that the cannon wall-in is nerfed from now; while its interesting to see if the zergs inevitable all-in will work, it feels cheap.
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Sad Boxer lost to NesTea, but the way he lost is encouraging for his showmanship and courage to not be a strategic follower, but rather a leader and risk-taker, which leads to metagame developments and exciting games.
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On January 13 2011 09:05 dookudooku wrote:Show nested quote +On January 13 2011 08:35 latan wrote:
what is with all the math talk in these live reports? anyway i'm gonna set the record straight yet again, sqrt(whatever) is ambiguous because in the complex plane every number has two square roots, so to be formal about it you would have to make sqrt() and actual function and restrict it's domain so it can only produce one value, for instance, restrict it to real and positive numbers. in that case, the correct notation would have to be sqrt(5)*i, which is a number such that its square equals -5. If you look at my post, I've made it clear that sqrt( ) is not a function (except for in a programming sense), and that it's just a (potentially confusing) substitute for writing the radical sign. That's why I also said it's perfectly fine to SAY (emphasis there) sqrt(-1). And yes, -1 does have a square root, in fact it has 2. You're also incorrect in saying that you have to limit the domain produce only one value, since the square root of 4 is 2 and -2.
yes, you're right, i probably wasn't even responding to you anyway (posted before i read all the discussion). and by domain i meant codomain  but you're right of course.
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EPT
