Let's make a homework help thread!:

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1376 Somedude133726th Nov 2012 04:20:49 PM from LandOfStormsN'Banjos
[up]+[up][up][up] Thanks you guys, I think I got the rest of this.smile
Pretending to be human
Thought I'd resurrect this:

So I'm gonna work with a LM 301 A operational amplifier and first have to find its open-loop gain, open-loop bandwidth, gain bandwidth product, and input impedance as seen from Vi. But I'm kinda lost here...I have no experience with op-amps and no idea what I'm supposed to look for in the op-amp datasheets that helps me to find out these properties. And my entire class knows nothing about it either. Any help will be appreciated.

edited 6th Feb '13 6:41:30 AM by Exploder

1378 Somedude133712th May 2013 09:56:38 AM from LandOfStormsN'Banjos
ARISE long-dead forum thread! AWAKE from your SLUMBER for I NEED YOUR ASSISTANCE!

Specifically, with logarithms. How do I evaluate Log 2 (1/128)? I know how to do logs with whole numbers, but fractions elude me.


edited 12th May '13 9:57:51 AM by Somedude1337

1379 Yuanchosaan12th May 2013 09:53:45 PM from Australia , Relationship Status:
antic disposition
Does expressing it as log2(128-1) help you to see the answer?
"Doctor Who means never having to say you're kidding." - Bocaj
1380 NesClassic13th May 2013 02:49:01 PM from the Heart of It All. , Relationship Status: In another castle
Nintendium Knight
Who would be more appropriate for a political cartoon pertaining to the Lusitania- George V or Asquith?

Edit: nevermind. I think it's Asquith.

edited 13th May '13 2:51:25 PM by NesClassic

It doesn't seem much for conversation. Nobody is happy with this.
Is this thread still alive?

...Guys. I'm heading for college again around June, which is the starting classes with my country. I'm nervous, since I don't know whether I'd do well. What if I couldn't get the hang of this again? I'm going to take up BS Psychology, btw. This would be my last chance, and if I do go well, I'd continue my studies further.

So I'm sure I'd do my best into doing the best possible job that I can!

So I was wondering if I could have anybody I could count on this thread, if not could anyone be so kind to PM me to be my study buddy?

Feel free to add me on Skype, if then! :D

edited 17th May '13 6:53:14 PM by TheJinny

1382 zzzdragon18th May 2013 06:46:37 AM from The Duchy of Riksent , Relationship Status: And they all lived happily ever after <3
Pattern Select : RHB
I can assure you this thread is not dead, though I don't know if we have any Psych majors here. I know I keep it watchlisted, so I see everything even if it's something I can't really help with.
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1383 Rivux20th May 2013 06:14:55 PM from Segeaux , Relationship Status: I get a feeling so complicated...
Hi. Might I request the help of someone in the know-how of some Pre-Calculus? (Or Calculus. Whichever.)

I'm trying to plot the polar coordinate point (0,-π/4).

Do I take that, since r=0, that you can't plot it? Or... something else?
1384 zzzdragon20th May 2013 06:49:17 PM from The Duchy of Riksent , Relationship Status: And they all lived happily ever after <3
Pattern Select : RHB
Nah, just on the origin.
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1385 Drakkarius20th May 2013 08:10:10 PM from Innawoods, USA , Relationship Status: 700 wives and 300 concubines
I can try to be of help to any who need it. Subjects I am skilled in the following; General world history mostly. I can give insight into a few more specific time periods as well, such as the World Wars (a lot of people skim over the first world war for some reason). I can also help with English and other language studies, as this is what I spend most of my time doing.

On that note I'm currently learning Japanese, so if there are folks here who can speak/write it, I'd love to chat sometime. (I'm self teaching from interwebz sources and out of the Genki textbooks for now, so if you also have those, all the better.)

I also have general tips for self study and memory retention if anyone is interested these subjects. Studying about studying may seem redundant, but it is quite helpful indeed.

Just don't ask me anything about complicated math. I forgot that as soon as I left school. Though, any other subjects I would be willing to assist on, just so I can study them as well.

If you want help, feel free to PM me. I don't really do much, so I'm usually available. I suppose you can also inquire about other forms of communication if they're easier for you (I'm fond of IRC, Skype, and email more than forum P Ms, myself).
1386 KylerThatch20th May 2013 09:33:17 PM , Relationship Status: Maxing my social links
literary masochist
[up][up][up] To expound on what [up][up] said...

Think of it this way. You start at the origin. Then you move 0 units in the direction of -π/4. But since you're moving 0 units, you're not moving the point at all. So it stays at the origin, (0,0).

And since you're not moving the point, no matter what your direction is, it'll always be at the origin, as long as r=0.

edited 20th May '13 9:34:01 PM by KylerThatch

This is tuna with bacon!
1387 Quag1521st May 2013 06:43:26 AM from Portugal , Relationship Status: Chocolate!
Portugal according to Hetalia
So, I'm gonna have a Data Analysis exam in less than two weeks.

My doubt is this: In the SPSS program, what's the option that allows me to determinate percentiles/quantiles?

If someone could answer, I'd be grateful.

edited 21st May '13 4:36:39 PM by Quag15

Those who are free from common prejudices acquire others.- Napoleon Bonaparte

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1388 Ninety21st May 2013 04:20:28 PM from Land of Quakes and Hills , Relationship Status: In Spades with myself
Absolutely no relation to NLK
Does anybody use Maple here?
Dopants: He meant what he said and he said what he meant, a Ninety is faithful 100%.
[up][up]@Quag 15:

Use FREQUENCIES with subcommand /NTILES = n, where n is the number of quantiles you want to divide the distribution into. So to get quartiles: /NTILES = 4, to get (all) percentiles /NTILES = 100, etc.

To get only select percentiles, use /PERCENTILES = [list of values] instead.

edited 23rd May '13 12:37:26 AM by LordGro

It's perfectly possible to admire building a cannon to destroy the moon, whilst lamenting the act of destruction.
1390 Quag1523rd May 2013 05:46:24 AM from Portugal , Relationship Status: Chocolate!
Portugal according to Hetalia
[up] Thank you very much! smile I'm writing it down.
Those who are free from common prejudices acquire others.- Napoleon Bonaparte

Tropers Riffing Movies
1391 0dd115th Jul 2013 03:54:14 AM from Nowhere Land
Just awesome like that
Okay, I'm utterly lost trying to figure this out. Can anyone tell me in simple terms what a signed deviation score and an unsigned deviation score is (e.g.: what the terms mean and the difference between them)?
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My music.
1392 Zerofear028th Aug 2013 03:11:21 PM from this place , Relationship Status: I made a point to burn all of the photographs
Darn it, no one uses this anymore, well, what are 4 characteristics of living organisms?
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1393 ramuf28th Aug 2013 03:32:46 PM from Matterfact Street
Google is your friend.

And your textbook.
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We will go where winds blow, waves dash, and the Yankee clipper speeds by under full sail.
1394 Madrugada28th Aug 2013 03:33:54 PM , Relationship Status: In season
there's more than four, so pick: Living organisms
  1. undergo metabolism,
  2. maintain homeostasis,
  3. possess a capacity to grow,
  4. respond to stimuli,
  5. reproduce and,
  6. through natural selection, adapt to their environment in successive generations.
...if you don’t love you’re dead, and if you do, they’ll kill you for it.
1395 KylerThatch29th Aug 2013 02:11:41 AM , Relationship Status: Maxing my social links
literary masochist
As I recall, what separates "living" from "non-living" is actually hard to pinpoint. There are things in this world that seem to be on the borderline (an oft-cited example being viruses), blurring the difference. There are common, widely-accepted guidelines, but mostly it boils down to "you'll know it when you see it".

edited 29th Aug '13 2:12:13 AM by KylerThatch

This is tuna with bacon!
1396 LaughterMostInsane30th Aug 2013 03:49:08 AM from Everything Trying to Kill You Land , Relationship Status: Is that a kind of food?
I need more squidkids in my Fire Emblem
I need some help! I've got this Math B assignment, and I was doing Grade 12 Math B, but because sites like this ruined my life I didn't do assignments and stuff so I went back to Grade 11 Math B (the grade I'm actually in). It's been so long since I've done this topic I've forgotten what I'm supposed to be doing here.

I need to find the approximate instantaneous gradient of a function on Excel by using small changes in x of 0.0001. I've forgotten how to do that.
The truth I seek Never felt so bleak
1397 zzzdragon30th Aug 2013 05:59:12 AM from The Duchy of Riksent , Relationship Status: And they all lived happily ever after <3
Pattern Select : RHB
The approximate gradient at a point is equal to the slope of a line tangent to the function at that point. Try to figure out how to use Excel to generate that slope. (You can keep asking questions too, but the more you figure out for yourself, the more you learn).
Fear the Gothilolions! | Anime list
1398 LaughterMostInsane30th Aug 2013 06:05:29 AM from Everything Trying to Kill You Land , Relationship Status: Is that a kind of food?
I need more squidkids in my Fire Emblem
Excel just being stupid... turns out an extra set of brackets was all I really needed.
The truth I seek Never felt so bleak
1399 strawberryflavored4th Sep 2013 01:10:59 PM from Virginia , Relationship Status: If it's you, it's okay
Can anyone explain how max/min problems work? Specifically when they have things like lateral area, area/volume function, etc.
Oh wait, you can actually see me? Well this is awkward.
1400 FantasyLiver22nd Sep 2013 09:08:06 AM from The Dagobah System , Relationship Status: How YOU doin'?
All right, this thread's been a bit quiet but I desperately have a math question. For our Calc test, we're supposed to be able find limits and removable discontinuities WITHOUT THE GRAPHING CALCULATOR! How would one go about doing this? Thanks all.
"You're an enemy of art and I pity your ignorance" - Domingo Montoya

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