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Jul
24
awarded  Necromancer
Jul
6
awarded  differential-equations
Jul
3
comment Deleting a line from a file
for that application I would strongly suggest to only delete after writing. If your job terminates/crashes during "backup" all efforts will be lost. So if your quota allows two copies, it would make much more sense to write first and only delete when writing has succesfully finished...
Jul
3
comment Graphics3D artifact in Mathematica 10.1 64bit Home Edition - Windows 7?
I don't get those extra lines with 10.1 on Windows 7, both 64bit. So I think it is not a general problem with that version on Windows 7...
Jun
30
answered Import data from excel and store it permanently in notebook
Jun
29
answered Notebook cells space on disk profiler
Jun
29
comment Problem with NDSolve: derivative interpreted as square
@jon: the only answer so far suggested that this might be a formatting issue. It can happen in rare cases (e.g. by accidentially using some unknown keyboard shortcuts) that some of the formatting gets into a state where it is difficult to understand what happens. Could you select the cell which contains the equations and then choose the menu entry Cell -> Show Expression? This will show the plain box expression in the FrontEnd. If you would copy that and put it here as code we could probably understand what has happened...
Jun
29
revised Notebook cells space on disk profiler
added notes about what to do to create list of links ordered by cell-size
Jun
29
answered Notebook cells space on disk profiler
Jun
27
answered How can I timestamp a notebook?
Jun
26
comment Convert spreadsheet (Excel) to *.csv during import
I've seen you have accepted my answer. Would you mind to let us know what you ended up to do and if that worked? I think this kind of feedback is what makes the site valuable and keeps people motivitated to answer questions. It is also encouraged to answer own questions in such cases describing in more detail what you did. My answer is kind of vague and probably only of limited value, so I would even be happy if you'd accept your own answer instead of mine :-)
Jun
26
comment Convert spreadsheet (Excel) to *.csv during import
@SjoerdC.deVries: I added that link to my answer, thanks for the hint, I was too lazy to do the obvious and search this site...
Jun
26
revised Convert spreadsheet (Excel) to *.csv during import
added link to .NET example as suggested by Sjoerd
Jun
26
comment Manipulate code crashes V10.1
it doesn't crash for me (10.1 on Windows 7), but it does continuously update as Aloghi mentioned. I think chances are good that this will not crash if you avoid that continuous updating. That can easily be achieved by extracting the body into a function which only has the actual parameters as arguments and use that instead: Manipulate[calculate[ts,f, Z0, RL,T],...]. If you need this inclosed in the Manipulate use SaveDefinitions. Would you let us know if that solves your problem?
Jun
26
revised Convert spreadsheet (Excel) to *.csv during import
added 136 characters in body
Jun
26
answered Convert spreadsheet (Excel) to *.csv during import
Jun
25
answered What is the role of the pattern object in this implementation?
Jun
25
comment What is the role of the pattern object in this implementation?
@abrentonc: Mathematica is at its core a symbolic system, so it will evaluate a function for non-numeric arguments, e.g. f[x_]:=x^3;y=.;f[y]. If you call something like NDSolve which only handle those parameters as numeric input, then you have to restrict the function pattern to numeric parameters.
Jun
25
revised ToExpression in Manipulate
added 733 characters in body
Jun
25
answered ToExpression in Manipulate