or use only one plot to compare with the original.
plot 2 0 1{|:parula
On Nov 13, 2014 5:02 AM, "Brian Schott" <[email protected]> wrote:
> I decided to try to fit polynomial least squares to the graphs. Below shows
> my approach. My approximations of reading the graphs are very crude, but
> probably adequate.
>
> I must say that red seems to be missing in the color map shown in the
> viewmat, and I am not sure I like this palette for the addition table,
> relative to the greyscale palette.
>
>
> NB. parulareg.ijs
> pol=: +/@([*]^i.@#@[)"1 0 NB. help/dictionary/intro14.htm
> lsfit=: {:@] %. {.@] ^/ i.@>:@[ NB. addons/stats/base/multivariate.ijs
>
>
> green =: 0 18 50 46 100 66 160 75 207 71 255 100
> plot (i. 256) pol~4 lsfit |:_2*&1 2.55\green
> G =: (i. 256) pol~4 lsfit |:_2*&1 2.55\green
>
> blue =: 0 53 30 89 50 86 100 77 150 51 200 31 250 9
> plot (i. 256) pol~4 lsfit |:_2*&1 2.55\blue
> B =: (i. 256) pol~4 lsfit |:_2*&1 2.55\blue
>
> red =: 0 21 20 19 36 0 50 4 60 10 100 1 150 42 200 89 220 100 250 97
> plot (i. 256) pol~6 lsfit |:_2*&1 2.55\red
> R =: (i. 256) pol~6 lsfit |:_2*&1 2.55\red
>
> parula =: R,.G,.B
>
> parula viewmat +/~i. 13
>
> parula viewmat i. 256
>
>
>
> --
> (B=)
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