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/jp/ - Otaku Culture


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2352843 No.2352843 [Reply] [Original]

How many combinations of idols is possible in Im@s? Since you can get up to 3 girls on stage at once and Ami and Mami count as individuals but can't appear on stage at the same time I'm stumped as to how to figure it out.

My roommate is asking how I can spend so much time watching Im@s videos and I is good math doing can't.

>> No.2352847

This is a multiplication problem.

You should be able to solve this, Anonymous.

>> No.2352858

>>2352847
It's one of those factorial statistics something or other problems we all learned in highschool but for me that was 16 years ago ...

>> No.2352865

Why isn't Kotori naked? She should be naked. Her name is Kotori... right?

>> No.2352873

How many idols are there?

>> No.2352887
File: 328 KB, 627x884, 1236014777176.jpg [View same] [iqdb] [saucenao] [google]
2352887

>>2352873

>> No.2352923
File: 140 KB, 1280x1024, 1210336196602.jpg [View same] [iqdb] [saucenao] [google]
2352923

>>2352843
>How many combinations of idols is possible in Im@s?

Only one that matters.

>> No.2352957

(n)*(n-1)*(n-2) = total number of combinations

where n is the number of idols there are

>> No.2352976

>>2352843

Basic combinations. 11 girls, 3 positions. Thus,

11 + 11 * 10 + 11 * 10 * 9 = 1111 possible stage combinations

>> No.2352999

>>2352976
Is that adjusted for Ami and Mami being unable to perform together?

>> No.2353022

This is a silly question with no ultimate purpose.

>> No.2353030

>>2353022
Just like Im@s.

>> No.2353041
File: 130 KB, 691x559, 1236520413697.jpg [View same] [iqdb] [saucenao] [google]
2353041

>>2353030

>> No.2353042

>>2352999
That should be calculable.

But fuck, I hated Data Management. Barely scraped by without ruining my average.

>> No.2353058

>>2352976
I know I'm not good at math but would we just subtract 10? Because the combinations you can't have are:

Ami x Mami
Ami x Mami x Azusa
Ami x Mami x Ritsuko
Ami x Mami x Haruka
Ami x Mami x Yukiho
Ami x Mami x Makoto
Ami x Mami x Chihaya
Ami x Mami x Miki
Ami x Mami x Iori
Ami x Mami x Yayoi

>> No.2353098

Who gives a shit?

>> No.2353104

>>2353058
The combinations you can't have are...

Ami, Mami, (other)

Ami, (other), Mami

(other), Ami, Mami

Mami, Ami, (other)

Mami, (other), Ami

(other), Mami, Ami

So that's 54 combinations you can't have.

1111-54 = 1057

>> No.2353124

>>2353104
But it doesn't matter a rats ass if it's Mami x Ami x (other) or Ami x Mami x (other) so why do those combinations get counted twice? Unless >>2352976 calculated redundant combinations. I consider Ritsuko x Azusa to be the same as Azusa x Ritsuko for example.

>> No.2353136

>>2353124
A different order means they're in different positions on stage, right?

>> No.2353196

>>2353136
I suppose you're right, it also determines who's the lead vocalist and who's the backups when there's 3 so ... I guess Ami x Iori x Yayoi would be different from Yayoi x Ami x Iori

>> No.2353208

But you can do five girls now!

http://www.nicovideo.jp/watch/sm6577392

>> No.2354329

>>2352923
>>2352923
>>2352923
>>2352923
>>2352923

>> No.2354349

>>2353041
Since when did Hiroyuki do imas stuff

>> No.2355243

I want to play this. I better get rich enough to import 360 and game and a Japanese translator.

>> No.2355270
File: 104 KB, 500x761, 1238109392577.jpg [View same] [iqdb] [saucenao] [google]
2355270

>>2354349

>> No.2355271
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2355271

http://www.youtube.com/watch?v=q4D3roYi5Jk&fmt=22

what do you say now bitches, what do you say now?

Although I'm fairly certain that's only possible in L4U, if even then, I've only seen two vids of them on stage together.

>> No.2355277
File: 46 KB, 500x402, shit.jpg [View same] [iqdb] [saucenao] [google]
2355277

>>2353041
>>2355270

>> No.2355278

>>2355271
hax

>> No.2355292

>>2355271
better
http://www.youtube.com/watch?v=7gEUZimtWc4

>> No.2355390

>>2355292
...fuck off.

>> No.2355404

How did any of you make it out of high school without learning about permutations?

>> No.2355405

>>2355271
Is Anonymous really this stupid, or is he just pretending not to recognize the edit nips have been doing for over a year?

>> No.2355415

>>2355405
Which is why I said if even then. It is a pretty quality looking video.

>> No.2355427

>>2355292
I have to say I enjoyed that more than most of the shit that's posted here.

>> No.2355433 [DELETED] 

Why does everyone think that reordering the idols counts as a different unique combination? Also lrn2 combinatorics. (10C3)*2 is your answer.

>> No.2355469

>>2352843
11C1 + (11C1 x 2C1) + (11C2 x 2C1)
∴, 143

...maybe.

>> No.2355503
File: 259 KB, 735x900, 1238531659136.jpg [View same] [iqdb] [saucenao] [google]
2355503

11 idols, so we have 11C3 choices in total. After that, we have to remove all choices involving both Ami and Mami, which is 1C9 choices, so 11C3-1C9 total ways. If we are including sending out 3 or 2 or 1 idols at a time, then add in a blank idol choice to include 2 member combos, and then add the 1 idol groups. (12C3-1C10+1C11)
Gives us a grand total of 221 idol groups.
So easy even Ami and Mami could do it.

>> No.2355570
File: 6 KB, 225x272, 1232304108826.png [View same] [iqdb] [saucenao] [google]
2355570

>>2355503
>1C9

>> No.2355573

So I don't really follow Im@s much, but why can't the twins perform together? I would've thought that'd be their schtick.

>> No.2355578

>>2355573
their voice singing at the same time would cause a resonance cascade

>> No.2355589

>>2355573
I'm guessing some kind of game limitations, like they both have the same voice and it would sound strange for them to sing in stereo.

>> No.2355590

>>2355573
To the outside world, only one of them is supposed to exist.

>> No.2355604
File: 617 KB, 1939x1200, aimas-twins.jpg [View same] [iqdb] [saucenao] [google]
2355604

>>2355590
This.

Mami is a secret.

>> No.2355623

>>2355590
I haven't been following Im@s closely, so WHY?

>> No.2355634

>>2355623
Ami is the real idol, but can't work regular idol hours because she's still in elementary school. Therefore, Ami and Mami are both "Ami".

Think Full House.

>> No.2355661

>>2355634
You are now imagining Ami and Mami growing up like the Olsen twins.

>> No.2355666
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2355666

>>2355661

>> No.2355668

>>2355634
Ami going anorexic and Mami has a drug addiction, oh boy!

>> No.2355692

>>2355634
>elementry school student
>working

hello child labor laws...?

>> No.2355864

I want to play this game so much.
I saw some video of the loli (Yayoi, Iori, Ami/Mami) and I really liked them and didn't bother watching the other girls until today... this one is really awesome
http://www.youtube.com/watch?v=7gEUZimtWc4

>> No.2355931

>>2355634

Wouldn't Mami still be in school too?

>> No.2356021

>>2355931
Yes, they're both in school. They just split the hours between the two of them.

>> No.2356111

>>2355503
Assuming that duets are all the same regardless of what order they appear since neither girl is trying to upstage the other but trios involve a lead and two backup singers (which is pretty much how the game plays out) how does that alter the number of combinations?

see
>>2353196

>> No.2356212
File: 134 KB, 798x1043, 4a15f794b9c70226f22384b8a69a96e2.jpg [View same] [iqdb] [saucenao] [google]
2356212

>>2356111
Well, if you want to play it that way, we have
11 choices for the lead, and 10C2 for the two back ups.
So 11*10C2 including twin pairings. Subtract out 9 possible choices where the twins are both backups, and 9 for when either twin is the leader, gives (11*10C2-9-9-9) combinations with 3. Then we have 11C2-1 choices for the duets, and 11 for the singles.
11*10C2+11C2-9-9-9-1+11=533 combinations.

Easier than groping a loli.

>> No.2356989

>>2355604
Mami > Ami, because Mami is a good girl.

>> No.2357012
File: 110 KB, 543x1000, b83ae877689ba52b4977fadef0a65b11.jpg [View same] [iqdb] [saucenao] [google]
2357012

>>2356989
It took a special idol lesson to get her to be a good girl, though...

>> No.2357016
File: 168 KB, 640x390, mamiohshi.jpg [View same] [iqdb] [saucenao] [google]
2357016

>>2356989
Oh, is she? Does a good girl sneak around behind her sister's back?

>> No.2357044
File: 60 KB, 636x357, 1238581528748.jpg [View same] [iqdb] [saucenao] [google]
2357044

>>2357016
She was just being praised by Producer-san, that's all.

>> No.2357047

>>2357044
I see what you did there.

>> No.2357070

So, Ami and Mami are like that guy in that movie, The Prestige?

>> No.2357274

>>2357070
You could say that.

>> No.2357318

>>2352843
>OP pic- "Cuticle heart"
I just don't know what to say about that..

>> No.2357357

>>2357318
I don't think Japan knows what a cuticle is.

>> No.2357411
File: 63 KB, 504x555, 1223592789443.jpg [View same] [iqdb] [saucenao] [google]
2357411

I wish to teach Mami how to make love.

>> No.2357433

>>2357411
Easy! You cut hearts out of colored construction paper.

>> No.2357443

>>2357433

I wish it were that simple anonymous.

>> No.2357476
File: 256 KB, 640x480, imas.jpg [View same] [iqdb] [saucenao] [google]
2357476

>>2353208

Man, I knew it was that Colorful Days vid before I even clicked.

>> No.2358510

How do I say, "I wish to do indecent things with Ami" in Japanese?

I need to know for um ... scientific research.

>> No.2358580

>>2357476
Do you like Idolm@ster?

>> No.2358763

>>2358510
高木社長にアナルレイプされたい

>> No.2359132
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2359132

>>2357476
That's an impressive set up. Does anyone know how the front-plates was done? Can you buy pre-painted front plates from Japan anywhere online, or would one have to try and make them oneself? I'd really want my own like that when I get an Xbox360 from Japan, but I kind of suck at painting and all things arty.

>> No.2359163
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2359163

>>2358763
You want to be raped by the company president? Strange fantasy.

亜美タンと一緒にエッチなことをしたい

>> No.2359267

>>2359163
I would have opted for いやらしい instead of エッチ, but whatever; style point.

>> No.2359359

>>2357433
I think I did that when I was in grade school.

>> No.2359477

>>2359359
I never did anything like that when I was in school.


At times I lie in bed at night and wish that I had.

>> No.2359490

why cant you have ami and mami?

>> No.2359498
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2359498

ずっと伊織のターン

>> No.2359500

>>2359490
Because CHOICES man.

>> No.2359502

>>2359477
I did that but with hand turkeys.

>> No.2359504
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2359504

>>2359490
Too much sexiness concentrated in such a small area could be dangerous.

>> No.2359526
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2359526

>> No.2359533
File: 189 KB, 1140x1300, 1237578497101.jpg [View same] [iqdb] [saucenao] [google]
2359533

>>2359490
Producer can.

>> No.2359535
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2359535

See how many of the crossovers you can get.

>> No.2359545
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2359545

>>2359535
ive been waiting for this chance

>> No.2359954

>>2359535
Man, all I recognize from this is Miku, Cirno, Wonder Momo, Rosa (I think that was here name?), and Powered 723.

>> No.2359973

>>2359535
-Vocaloid
-Cutie Honey
-Touhou
-Dragon Quest 4

that's all I got on that.

>>2359545
WHAT IS THIS I DON'T EVEN

>> No.2360008

>>2359973
I can forgive you for not recognizing Wonder Momo, since that's pretty obscure, but seriously, Black Lagoon and Keroro Gunso?

>> No.2361584

bvmp

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