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| bio | website | |
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| location | ||
| age | ||
| visits | member for | 1 year, 3 months |
| seen | 25 mins ago | |
| stats | profile views | 170 |
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Nov 22 |
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Insert $+$, $-$, $\times$, $/$, $($, $)$ into $123456789$ to make it equal to $100$ By my back of the envelope calculation, you'd be looking at over 600 million combinations. This would take about 10 hours to run on my computer. Maybe I should try 1,2,3,4 = 10 or something. |
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Nov 20 |
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Time approximation of decrypting RSA algorithm Are you sure it's an exponential function? Under the possible issues for FactorInteger is the comment "Timings can increase rapidly and unpredictably with the size of the input". |
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Nov 20 |
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Time approximation of decrypting RSA algorithm You're hoping to extrapolate data in the range of 0 - 100 seconds up to 3 billion seconds? Sounds ambitious... Do you have a theoretical basis for the model you are fitting? |
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Nov 19 |
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Doing an Interpolation through a list of lists into a single function You just need to tell it what to do with the second argument: Table[interpFunct[k, x_] = Interpolation[list[[k]]][x], {k, 10}] |
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Nov 14 |
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How to find all roots and maxima and minima and graph them You could also use Epilog to plot the points. |
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Nov 14 |
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An elegant way to plot a numeric function that returns a list, and have each element in a different color @acl Wait... We're actually expected to read the questions now? |
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Nov 14 |
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An elegant way to plot a numeric function that returns a list, and have each element in a different color How about Plot[Evaluate[f[x]], ...]? |
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Nov 14 |
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Antialiasing of horizontal lines This is quite nifty. My new favourite rule is: Line[n : ({{a_, _}, {a_, _}} | {{_, b_}, {_, b_}})] -> {Antialiasing -> False, Line[n]}. The next challenge is to make it work with arrows. |
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Nov 11 |
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Incrementing a number where each digit has a different base To aid in searches, I'd like to note that a number with different bases for each digit is commonly known as a mixed radix number. |
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Nov 9 |
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Constructing election cartograms? If you follow your links you find a paper on how they did it. |
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Nov 9 |
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Table not working with Plotipar[x_?NumberQ] := ... |
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Nov 8 |
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Is there a way to do conditional matrix loop using 'continue' @sebastiancheung The {2} is to map on to exactly the elements that are 2 levels deep. Just what you need for a 2D matrix. I was a little hazy on exactly what you required, but confident it could be adapted. You can of course modify the index #2 before you use it. |
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Oct 31 |
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Detecting grid lines in a raster image It would be quite nice if all the images could be zipped up and put on a torrent somewhere. How many voting tables are there? |
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Oct 31 |
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Detecting grid lines in a raster image Is there an easy way to download a whole bunch of original images for testing purposes? |
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Oct 28 |
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Dual complex integral over implicit path using contour plot If you take the Evaluate out of your definition of NContourIntegrate you get the right answer (albeit slowly). Someone wiser than me will have to explain why though. For speed during experimentation, may I suggest you interpolate a triangle as your contour. |
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Oct 18 |
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Making fractals with Mathematica They were done with Abs[FractionalPart[a]] < 0.5], at high resolution, then gamma corrected and scaled down. I highly recommend Ajasja's compiled version unless you have a lot of time on your hands. |
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Oct 18 |
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Making fractals with Mathematica @image_doctor I've added some more images, and 8.3% more right brackets! |
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Oct 16 |
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Multi-column table layout the right way @Mr.Wizard Thanks. It appears it is as easy as I thought it should have been. But if you put one extraneous set of braces in, you can get lost and confused. |
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Oct 16 |
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Using 'Reduce' to solve a set of inequalities, specified by a list Do you just need something like And @@ Thread[lhs <= rhs]? |
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Oct 16 |
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Multi-column table layout the right way @Mr.Wizard How would one go about changing the colour of the lines? |
