Reputation
34,063
Next tag badge:
92/100 score
27/20 answers
Badges
1 48 116
Impact
~396k people reached

Jan
2
answered make constant some elements of a list
Dec
27
comment Dynamic plot with synchronization of real time
@LeoRon7 the standard method for allocating a buffer when one does not know how much to preallocate, is to allocate it using fixed sizes. (one chunk at a time). Start with say size = n, where is n is some number you decide on. Use Table to allocate it. Then use [[ ]] to write to it. When it fills up, you can allocate another list of size n. And so on. If you need all those chunks in memory, you make a linked list of them. And so on. Here is an example of linked list mathprogramming-intro.org/book/node525.html
Dec
27
revised Solving an equation and ODE simultaneously
added 263 characters in body
Dec
27
answered Solving an equation and ODE simultaneously
Dec
27
comment Problem with a plot for 1D wave equation solution using NDSolve
Here is the full code when I copied and pasted the full code into my notebook, I get syntax errors.
Dec
27
comment Dynamic plot with synchronization of real time
@Kuba I looked at updateInterval, but was not sure if it is more "strict" on getting timing exactly as needed than scheduled task. It says if possible, be done at least every t seconds. This whole subject of "real time" and Mathematica dynamics is very tricky.
Dec
27
revised Dynamic plot with synchronization of real time
added link
Dec
27
answered Dynamic plot with synchronization of real time
Dec
27
revised How to export a list of numerical data to a file in the terminal?
clean
Dec
27
comment How does Internal`PolynomialFunctionQ work?
I doubt anyone can answer this, since it requires looking at the source code of the Wolfram Research Mathematica implementation of these algorithms, which only those who work at Wolfram are able to do.
Dec
27
answered How to export a list of numerical data to a file in the terminal?
Dec
26
comment Can your Mathematica do the following integral?
Here is a workaround, since it can do it term by term. f = (z - 2) PolyLog[2, z] Log[1 - z]/z^3;Simplify[Integrate[#, z] & /@ Expand[f]] !Mathematica graphics Mathematica seems to be really confused about something here.
Dec
26
comment What's wrong with this while loop index definition?
@Alyosha your code works. It makes indexed variables. Not a list. List uses [[ and indexed variables use [.
Dec
25
answered What's wrong with this while loop index definition?
Dec
25
comment Why won't something print with desired precision in a while loop?
good example @MichaelE2, but this prints 100 digits: "Print[N[3.14`100, 100]]" :)
Dec
25
comment Why won't something print with desired precision in a while loop?
Hard to say why without a MWE. It could be a bug, but hard to know. I tried this on 10.3.1 and it works: Print[N[Pi, 100]]. Can't you make a small example to show the problem? I just also add there might not be enough precision in the number itself.
Dec
24
comment Saved InterpolatingFunction behaving badly
is the m file so large that you can't simply post the relevant plain source code here? myself do not download attachment from strange web sites.
Dec
24
comment Saved InterpolatingFunction behaving badly
may be it is a bug. But to be able to make sure, someone needs to see your input file there.
Dec
24
comment Bug: Wrong results from NSolve on coupled polynomials. WorkingPrecision->Automatic fails
To send bug report, email support@wolfram.com, make sure you have self contained example of the problem in there and system specs.
Dec
24
revised unhandled win32 exception in WolframKernel.exe in DSolve of non-linear ODE in one variable
put better image of crash