
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:23 AM
micromass

1 
39,008 
Hello,
I am 14.So entirely an amateur.Obviously, I do not want to fall into the, "I am a complete amatuer of your...

T 11:22 AM
willmac2

12 
351 
"Do we need math to understand nature or Do we need to understand nature to (create) math?"
This was the topic I've...

T 08:49 AM
Fredrik

15 
452 
Hi all,
I should start by saying I'm an amateur at mathematics so please excuse me if the question seems a bit...

T 05:52 AM
jbriggs444

2 
117 
can anyone recommend me a good text on OR that has a decent amount of questions, preferably with answers and even...

T 01:03 AM
maajdl

1 
118 
Hi,
I've researched this problem all across the web and most answers involve finding the distance between two...

Y 02:34 PM
nixed

26 
6,777 

 
 
 
Hi,
My first post here, hope it goes well.
I wonder if someone of you skilled persons could help me and my friend...

Y 08:56 AM
HallsofIvy

2 
127 
Hi,
i am trying to model a triangle in a square cell based on its dimension. However, i have some problem with parts...

Aug3114 08:32 PM
tomallan

0 
141 
In the picture below, the "abcdbea" trail is a dominating trail in the graph.
...

Aug3114 03:07 PM
micromass

1 
98 
Hi
Are these two graphs EQUAL to each other?
http://www.mediafire.com/convkey/b422/87zw63kfl1067h17g.jpg
...

Aug3114 03:01 PM
micromass

1 
97 
Maybe I'm plugging my website but I just finished writing a versatile cylinder calculator.
If you know two...

Aug3114 09:10 AM
jbriggs444

6 
206 
How does one convert a number like 0.01011001012 to a base16 system?
I know how to do for ex. 100011102, but the...

Aug3014 02:26 PM
johann1301

7 
150 
Hi,
What does N*m mean?
What does N/m mean?
What kWh mean?
What kW/h mean?
What does F=m*a mean?

Aug3014 12:35 PM
thelema418

10 
447 
My first question is: is this formula (at the bottom) a known formula?
In this subject i haven't explained how i...

Aug3014 08:15 AM
H.B.

4 
446 
Also, is there a special term for the geometry typically taught in high school?
And how does topology fit in here? ...

Aug2914 08:46 PM
mathwonk

15 
538 
Suppose I have a function for a curve, for example y=x2. I want to find a function to "offsets" it by 2 units. That...

Aug2814 11:49 PM
Simon Bridge

11 
1,330 
I am a 15 year old who is obsessed with math....anyway, I developed an equation dealing with safe combination...

Aug2814 08:24 PM
willr12

3 
153 
We fix some N=1,2,3,\ldots, and define the factor group \mathbb{Z}_N as \mathbb{Z}/N\mathbb{Z}, and denote the...

Aug2814 04:24 PM
Stephen Tashi

1 
181 
I know I can define a sequence on a set ##X## as a function ##a:T\rightarrow{}X##, where ##T## is a countable totally...

Aug2814 10:29 AM
disregardthat

13 
392 
Hiya.
I got to an interesting bit in a calculus book, but as usual I'm stumped by a (probably simple) algebraic...

Aug2714 08:35 AM
Simon Bridge

6 
228 
Is the bottom half of an egg a hemisphere?

Aug2714 05:58 AM
tleave2000

6 
284 
Draw this description out on a piece of paper if you would like. I cannot figure this out, it has been years since I...

Aug2614 09:49 AM
getting2it

1 
214 
Hi, I'd like to know the log properties when they are the power of a constant. I've searched everywhere but I can't...

Aug2614 04:54 AM
Mentallic

3 
292 
Lets say that "d" is diametr of a circly,and C is the perimetr(length).
Why C/d = pi (3.14) is a constant?? I know...

Aug2514 10:10 PM
thelema418

2 
285 
I kind of know what limits are, or at least believe I do: I think that a limit of a sequence is just an...

Aug2514 06:50 PM
Korisnik

6 
345 
Guys,
I have a problem I'm trying to solve for work (we're trying to inspect a hole, and I'm trying to determine...

Aug2514 10:51 AM
SSWheels

5 
1,176 
Hey everyone I was thinking of something just now after watching a video. Every action has a risk of death some the...

Aug2514 06:38 AM
HallsofIvy

22 
650 
I know what it means by by even, or odd, function. i also know what it means graphically.
My question is how to...

Aug2414 07:18 AM
HallsofIvy

1 
262 
Hi,
I am wondering as to how to define the boundary condition for a shape in a unit cell. Just imagine that the...

Aug2414 05:50 AM
disregardthat

2 
220 
So consider a function ##f(x)## which is continuous for all ##x## except on some finite interval, say ####. Imagine,...

Aug2314 08:50 PM
pwsnafu

11 
446 
For certain types of functions I have been using the term 'general form' as a way of stating that some function of...

Aug2114 10:39 PM
thelema418

7 
315 
Recently, I learned that, in a probability density function, the probability of the occurrence of any specific xvalue...

Aug2114 06:02 PM
mathman

7 
395 
It seems selfevident that mathematics must keep uncertainty at arms length. For example, to deal with probability...

Aug2114 11:55 AM
Stephen Tashi

2 
313 
can anyone help explain the mechanism of coupled equation transformation and when and how can i transform similar...

Aug2114 11:09 AM
Greg Bernhardt

1 
275 
How would someone go about writing a general expression for a function of a single variable and a constant? For...

Aug2014 11:22 PM
Jorriss

15 
456 
"A set in the plane is called a region if it satisfies the following two conditions:
1. Each point of the set is the...

Aug2014 01:49 PM
Nathanael

5 
320 
HI plz help me this could someone verify it for me plz find attachement
clc;
clear all;
k=0;
s=0;
N=inf;
for...

Aug1914 03:27 PM
mathman

3 
283 
10 000 cubic km of water can cover all the continents with a layer 7 cm deep.
Find the depth of the water layer if...

Aug1714 10:08 AM
mfb

11 
382 
I need to write, "(k)1/2= a finite term recursive expression of 'k' where 'k' is the set of all Reals where 'k' is...

Aug1714 09:24 AM
mesa

18 
707 
This problem came up after drawing a line on the spinning rotor of a food processor. I was idly musing about...

Aug1714 09:06 AM
Simon Bridge

8 
436 