Insights Blog
-- Browse All Articles --
Physics Articles
Physics Tutorials
Physics Guides
Physics FAQ
Math Articles
Math Tutorials
Math Guides
Math FAQ
Education Articles
Education Guides
Bio/Chem Articles
Technology Guides
Computer Science Tutorials
Forums
Trending
Featured Threads
Log in
Register
What's new
Search
Search
Search titles only
By:
Latest activity
Register
Menu
Log in
Register
Navigation
More options
Contact us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
pbuk's latest activity
P
pbuk
reacted to
kuruman's post
in the thread
Two tourists and a bicycle - uniform motion
with
Like
.
I was under the impression that OP had already let the cat out with post #14 which looks like a complete solution to me. After OP has...
Today, 3:53 PM
P
pbuk
replied to the thread
Two tourists and a bicycle - uniform motion
.
Perhaps, but the solution (as hinted at by @haruspex and @Steve4Physics) is much more simple than set out above. We are not supposed to...
Today, 4:29 AM
P
pbuk
replied to the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
.
I don't have time to read all of that at the moment, but I have two observations: I guess you are using the bisection method to goal...
Tuesday, 1:54 PM
P
pbuk
replied to the thread
Two tourists and a bicycle - uniform motion
.
Good grief, you are overcomplicating this to the extent that you have lost your way. So if they have cycled for the same times, they...
Tuesday, 4:50 AM
P
pbuk
replied to the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
.
Of course an alternative to interpolation near ## x = a ## would be to use bisection again to find the right step size to land exactly...
Tuesday, 4:44 AM
P
pbuk
replied to the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
.
That's OK, you are doing fine! The most important thing that it looks like you haven't covered is the Taylor series. For a function...
Tuesday, 4:27 AM
P
pbuk
reacted to
bremenfallturm's post
in the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
with
Like
.
Hello and thank you for your input. Let's first clarify what wasn't clear! First off, "the system" is defined the way you put it in your...
Monday, 5:27 PM
P
pbuk
replied to the thread
I
How to find a point that corresponds to hyperreal number?
.
Yes it does. I don't think that is the standard representation of the hyperreal line: where would ## \frac \omega 2 ## be found? In...
Monday, 6:29 AM
P
pbuk
replied to the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
.
How did that happen? Edited, thanks.
Monday, 5:55 AM
P
pbuk
reacted to
BvU's post
in the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
with
Like
.
I think you are quoting the OP, not Filip ...
Monday, 5:55 AM
P
pbuk
replied to the thread
I
How to find a point that corresponds to hyperreal number?
.
Like any other number on the hyperreal line. You do realise that the hyperreal "line" cannot be represented by a single line: it looks...
Monday, 5:32 AM
P
pbuk
replied to the thread
Two tourists and a bicycle - uniform motion
.
Think about distance instead of time.
Monday, 5:21 AM
P
pbuk
replied to the thread
I
Runge-Kutta 4 w/ some sugar on the top: How to do error approximation?
.
That is a shame: to my mind this should be the foundation of any numerical analysis course - providing you have sufficient background in...
Monday, 5:13 AM
P
pbuk
reacted to
FactChecker's post
in the thread
B
Help answer student question about infinity?
with
Like
.
He can start anywhere on the rope and move along it. He can always find the knot in finite time because he is a finite distance from the...
Monday, 1:06 AM
P
pbuk
replied to the thread
Two tourists and a bicycle - uniform motion
.
Please don't use math formatting to post text. You may not know (yet) how much time each of them spends on the bicycle, but if they...
Monday, 1:05 AM
Forums
Back
Top