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Nov
30
comment Solving an equation involving an integral
Welcome to Mathematica.SE! I suggest the following: 1) As you receive help, try to give it too, by answering questions in your area of expertise. 2) Take the tour! 3) When you see good questions and answers, vote them up by clicking the gray triangles, because the credibility of the system is based on the reputation gained by users sharing their knowledge. Also, please remember to accept the answer, if any, that solves your problem, by clicking the checkmark sign!
Nov
26
comment Manipulation linear systems of equations
Dear @guest, welcome to the site. I've merged your two answers. You will have a better experience if you register your account.
Nov
23
comment Automatically discover the class of an arbitrary matrix
@J.M. - true, but I wanted to showcase an all-Wolfram-language solution
Oct
30
comment BarLegend can't make spaced contours when contours number>11
well done! I feel like I should delete my answer now, but it does contain some interesting information about the hidden options underlying this.
Oct
28
comment Problem with exporting a plot with a legend to PDF
On 10.1 and 10.3, I don't get any legend at all for this. I'll post a more considered answer this evening, if I get time.
Oct
28
comment How can I plot legends on only some of my curves that all plotted together?
You mean PlotLegends, not PlotLegend.
Oct
28
comment Row-wise matrix multiplication
@Alex: 1/myvector?
Oct
26
comment use of grid to stick different plots
That's great, Ackaran! If that's the case, if you don't mind, I'm going to link your question explicitly to that one. This is called "closing as a duplicate" and is not a criticism or a bad thing. It helps future site visitors find that answer if that's what they are looking for. Thanks for your question! You might notice that the prior question was mine - I had the exact same issue a while ago.
Oct
26
comment use of grid to stick different plots
related: mathematica.stackexchange.com/questions/6877/…\
Oct
19
comment In 10.1.0 BenchmarkPlot doesn't work?
It now fails in 10.3 with a different error: First argument {{16.,{0.124288,<|9->{10000.},11->{20000.},6->{30000.},99->{40000.},57->{50000.}‌​,35->{60000.},88->{70000.},78->{80000.},61->{90000.},93->{100000.},76->{110000.,1‌​20000.},51->{130000.},23->{140000.},44->{150000.},74->{160000.}|>}},{24.,{<<1>>}}‌​,{36.,{0.241031,<|81->{10000.},19->{20000.},<<28>>,25->{360000.}|>}}} in NonlinearModelFit is not a list or a rectangular array. >>
Oct
14
comment Rearrange an algebraic expression so that each variable appears only once
Dear @bariumbitmap - may I suggest that you edit your question rather than post comments if you have additional information?
Oct
13
comment Efficient way to flatten or transpose-arrayreshape tensors
Only alternative I can think of is Join@@@Join@@@Join@@@(Join@@Join@@Join@@list). I am guessing that is not faster.
Oct
13
comment Spacing and dimension of plots in Grid/GraphicsGrid
Also related: mathematica.stackexchange.com/q/6877/8
Oct
13
comment Absurd solution by LinearSolve
What would be wrong with Interpolation?
Oct
13
comment Data points not connecting in joined ListLinePlot
I suspect some non-numeric values interspersed with the numeric ones, which will break the line. See if ListPlot[ Cases[dbf46t1[All, {"Time (hrs)", "RQ1 []"}], _?NumericQ], PlotRange -> All, Joined -> True, Mesh -> All] has the desired result.
Oct
8
comment Fall through multiple cases in switch to execute same function
Thanks Xavier, I completely forgot about Alternatives. I'll amend my answer.
Oct
6
comment Do I have to code each case of this Grid full of plots separately?
@Taiki - MultiPanelGraph is the function; MultiPanel is an option that it then passes to the underlying plotting function (which are custom versions of DateListPlot etc, that take this option) to tell it to do multi-panel specific things like move what was the Title (custom option for defining the PlotLabel) into the plotting area as an Inset text in the Prolog, and depending on the specific option value, which FrameTicks to turn off. Unfortunately the rest of the package is proprietary so I can't share the whole thing.
Oct
6
comment Fixed points of x sin 1/x
@user34624 - it just wasn't clear why you needed to iterate it.
Oct
6
comment Fixed points of x sin 1/x
Welcome to Mathematica.SE! Have you tried Piecewise[{{x Sin [(1/x)], -1 <= x < 0 || 0 < x <= 1}}, 0] ? As you have written it, your definition of f4 contains a syntax error.
Oct
1
comment Will the “for” loop not have an effect on something I'm looping over?
The simple answer is that Append does not rewrite bad; you need AppendTo. But I will follow up with a longer answer (in a couple of hours when it's lunchtime) to suggest a better approach than the loop-and-append approach. Are you by chance a new Mathematica user coming from Matlab or Fortran? I've noticed that people coming from those languages tend to use that approach a lot.