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| Math | |
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| Tweet Topic Started: Aug 30 2009, 06:25 PM (1,056 Views) | |
| chagi | Sep 11 2009, 03:52 PM Post #16 |
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Metroid
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Where's the expression?
I don't know what x % 1 = 0 means, but but there's no zeroeth number. The first is a one the second is one, the third is two and so on. |
| doobie doo | |
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| DeProgrammer | Sep 11 2009, 05:40 PM Post #17 |
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Elite Pirate
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% is the modulo operator in some programming languages. It pretty much just returns the remainder of the first number divided by the second, ie. 5 mod 1 = 0, 5.1 mod 1 = 0.1, 3 mod 5 = 2. |
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| chagi | Sep 11 2009, 06:12 PM Post #18 |
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Metroid
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Oh, ok. Now, I can't solve your sequence, because I'm not too good with fractions. But... I can make up problems for you guys to solve at least.... What's the length of a side on a square with area of 200i, where i is the square root of -1? |
| doobie doo | |
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| DeProgrammer | Sep 11 2009, 08:17 PM Post #19 |
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Elite Pirate
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Area can't be an imaginary number. Area has to be a non-negative real number. |
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| Timmeh | Sep 12 2009, 05:02 AM Post #20 |
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The Electryc Penys
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what if you draw a square on the complex plane? ;D My first instinct is just sqrt(200i) but I'll think about it in case it's a trick question. |
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| chagi | Sep 12 2009, 06:55 AM Post #21 |
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Metroid
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It's a hypothetical area.
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| doobie doo | |
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| Timmeh | Sep 12 2009, 08:28 AM Post #22 |
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The Electryc Penys
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You can't just set hypothetical terms in math. That's like setting your own axioms >_> How could you prove the answer if you couldn't set the problem up? Go ahead, show me what the answer is. EDIT: After doing some research on wikipedia, the question seems to be meaningless since distance can't be defined in terms of i at all, and you can't define sides of a square without defining distance. Even distances on the complex plane are real numbers. |
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| chagi | Sep 12 2009, 02:18 PM Post #23 |
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Metroid
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Math is hypothetical. But fine, I'll give you a solvable problem. =) What's the side length of a square with area of 100? <_< |
| doobie doo | |
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| Timmeh | Sep 13 2009, 03:38 AM Post #24 |
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The Electryc Penys
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Math is built on axioms, and you can't just make shit up outside of those. The axioms are hypothetical, sure, but you can't add onto those if you're working in real math. and 10 <_< |
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| chagi | Sep 13 2009, 07:04 AM Post #25 |
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Metroid
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Then what prevents using i when calculating length? That it isn't a *real* number? That it can't exist in real life? |
| doobie doo | |
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| Timmeh | Sep 13 2009, 05:29 PM Post #26 |
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The Electryc Penys
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That it's impossible to set up a problem that gives you a length in terms of i! You can't demonstrate to me two hypothetical objects with an imaginary distance between them. You could assume that imaginary areas work the same way as real lengths, but there's no way to get that from the axioms. |
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| chagi | Sep 13 2009, 06:43 PM Post #27 |
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Metroid
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Okay, fine. I'll write the exakt same question, but without using WORDS. x^2 = 200i find x jäkla bajsare |
| doobie doo | |
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| Timmeh | Sep 13 2009, 11:36 PM Post #28 |
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The Electryc Penys
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Not the same question, but here: x = +/- 10 * sqrt(2i) |
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| Liksmaskaren | Sep 14 2009, 12:52 AM Post #29 |
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The Swede
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True. |
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| Pomegranate | Sep 14 2009, 01:49 AM Post #30 |
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Prime Essence
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uh hello 10i^4 ft is 10 ft you CAN state something in terms of i i = root -1 i^2 = -1 i^3 = negative i i^4 = 1 |
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