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visits member for 2 years, 6 months
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Sep
26
comment How can a big table be treated as a database?
@J.M. and Mike, the real table sometimes has hundreds of columns. Today's has 36, which is still too many to build the pattern like that, don't you agree?
Sep
26
comment How can a big table be treated as a database?
I had not seen those. That is a neat solution and I'll give it a try. Thank you.
Sep
26
asked How can a big table be treated as a database?
Sep
5
awarded  Nice Question
Sep
4
accepted Applying And to lists of Booleans
Sep
4
asked Applying And to lists of Booleans
Aug
21
accepted How can `SquareWave` be used as the input in `OutputResponse`?
Aug
20
comment How can `SquareWave` be used as the input in `OutputResponse`?
I like this one. When I attempt to change the phase of the SquareWave using finiteSquareWave[t_] := UnitBox[.2 (t - 3)] SquareWave[t - 0.1];, the error returns. Any idea why?
Aug
20
answered How can `SquareWave` be used as the input in `OutputResponse`?
Aug
20
accepted How can the opacity of a dense data set be automatically chosen?
Aug
20
asked How can `SquareWave` be used as the input in `OutputResponse`?
Aug
14
awarded  Guru
Aug
7
awarded  Nice Question
Aug
7
asked How can the opacity of a dense data set be automatically chosen?
Jul
26
comment Create colour with given lightness value
Very nicely done. Here's a standalone version of that: findGrayColor[color_, desiredTone_] := Blend[{White, color, Black}, Interpolation[ Transpose[{{1, First[ColorConvert[Blend[{White, color, Black}, 0.5], "Grayscale"]], 0}, {0, 0.5, 1}}], InterpolationOrder -> 1][ desiredTone]]
Jul
26
revised Create colour with given lightness value
added 201 characters in body
Jul
26
answered Create colour with given lightness value
Jun
25
comment Image Shadow Removal in Mathematica
pixels never gets Set. Is it just ImageData[im]?
Jun
21
comment Is there a system Reset?
@BrettChampion I've been wasting my life away! Thanks.
Jun
21
answered Is there a system Reset?