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Author Topic: Things that made you go "WTF?" today o_O  (Read 14910969 times)

da_nang

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Re: Things that made you go "WTF?" today o_O
« Reply #62265 on: November 04, 2014, 12:43:50 pm »

Signal processing:

One of my assignments want me to prove that the sum from n=0 to N-1 of sin(2*pi*k*n/N)*sin(2*pi*m*n/N) = 0 for non-negative integers N and k != m, but this is inherently wrong since even for say N = 10, k = 4 and m = 6 I get the sum to be -5. Without delving too crazily into special cases, only by limiting k,m < N/2 can I ensure that the statement holds.

I mean, I get that it would be lovely if it actually worked since then the next statement that k=m gives N/2 would allow one to select the mth sine frequency component of a fourier series (and thus be finished with the homework), but since I cant I just don't see what the hell they want me to do here.
« Last Edit: November 04, 2014, 12:46:48 pm by da_nang »
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Graknorke

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Re: Things that made you go "WTF?" today o_O
« Reply #62266 on: November 04, 2014, 01:04:53 pm »

I find myself really surprised that the people who made "Look at my Horse", "The Badger song" and "Business Cat" made something like this.
Don't be silly, Roscoe Thunderpants had no part in any of those first three.
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scrdest

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Re: Things that made you go "WTF?" today o_O
« Reply #62267 on: November 04, 2014, 01:08:59 pm »

AKA the burn victim look

The more stylistic ones look like Mexican luchador wrestlers.

And yes, burn victim look.

I'm thinking more bank robber, TBH.
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My Name is Immaterial

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Re: Things that made you go "WTF?" today o_O
« Reply #62268 on: November 04, 2014, 01:10:10 pm »

I find myself really surprised that the people who made "Look at my Horse", "The Badger song" and "Business Cat" made something like this.
Don't be silly, Roscoe Thunderpants had no part in any of those first three.
I'm not sure if you're joking... I'm 95% certain their voices are the same -> they're the same person.

Vorthon

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Re: Things that made you go "WTF?" today o_O
« Reply #62269 on: November 04, 2014, 02:38:23 pm »

nevermind. mistake was made. Ignore this post.
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Dutchling

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Re: Things that made you go "WTF?" today o_O
« Reply #62270 on: November 04, 2014, 02:39:21 pm »

nevermind. mistake was made. Ignore this post.
That's a cool post you got there Vorthon.
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penguinofhonor

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Re: Things that made you go "WTF?" today o_O
« Reply #62271 on: November 04, 2014, 02:43:17 pm »

I know what it said before. I am special.
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Putnam

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Re: Things that made you go "WTF?" today o_O
« Reply #62272 on: November 04, 2014, 03:28:30 pm »

#34

Statistically, my posts in FG&RP are negligible. More than 1/5 of all the posts in the mod releases forum are mine.
Did you calculate this by hand? IIRC the percents on your profile page are wrong.

They were fixed a while back. Computing by hand gets the same results, 1352/6000 == 0.255333333..., which is what the statistics say.

Dutchling

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Re: Things that made you go "WTF?" today o_O
« Reply #62273 on: November 04, 2014, 03:31:29 pm »

It says I posted 6.72% of the posts in the Wiki board.

I'm not sure if that's correct, but it's better than the >100% it reported before.
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penguinofhonor

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Re: Things that made you go "WTF?" today o_O
« Reply #62274 on: November 04, 2014, 03:38:50 pm »

Holy fuck, there's a Wiki board?
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Furtuka

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Re: Things that made you go "WTF?" today o_O
« Reply #62275 on: November 04, 2014, 03:39:38 pm »

It's hidden as a child board of DF questions
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Orange Wizard

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Re: Things that made you go "WTF?" today o_O
« Reply #62276 on: November 04, 2014, 03:45:06 pm »

According to my profile, there's a three-hour gap in which I have never made any posts. Every hour other than 5 to 7 a.m. has at least two, and many have more than one hundred.
Admittedly, I don't actually know how those numbers are calculated, so that's actually totally meaningless.
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Eric Blank

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Re: Things that made you go "WTF?" today o_O
« Reply #62277 on: November 04, 2014, 03:50:30 pm »

Even bay12 takes the backseat for breakfast.
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penguinofhonor

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Re: Things that made you go "WTF?" today o_O
« Reply #62278 on: November 04, 2014, 03:51:18 pm »

It's hidden as a child board of DF questions

And it has posts from 2010! This board has existed for four years and I had no idea.

According to my profile, there's a three-hour gap in which I have never made any posts. Every hour other than 5 to 7 a.m. has at least two, and many have more than one hundred.
Admittedly, I don't actually know how those numbers are calculated, so that's actually totally meaningless.

Oh wow, there are numbers when you hover over your posts per hour. The numbers definitely aren't out of your total posts, because my numbers add up to like 100-200. Maybe that display only shows posts made in the last X days?
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Orange Wizard

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Re: Things that made you go "WTF?" today o_O
« Reply #62279 on: November 04, 2014, 03:58:48 pm »

Mine adds up to ~1500 posts. I have no idea.
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Please don't shitpost, it lowers the quality of discourse
Hard science is like a sword, and soft science is like fear. You can use both to equally powerful results, but even if your opponent disbelieve your stabs, they will still die.
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