[PD] removing dc offset from an array?

[Thomas Grill]

Hi Eric,
vasp of course lets you do it. Please note that you need the cvs 
version for the attached patch.

best greetings,
Thomas

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Am 22.01.2004 um 03:13 schrieb Eric Skogen:

> hi kids
>
> is there a way to remove dc offsets in arrays? perhaps using vasp?
>
> i ask this because after normalizing my data array, most of that data 
> is hovering near the top of the scale range. i want to rescale the 
> data to a range of -1 to 1, taking into account the lowest and highest 
> numbers in the array. the lowest number would then be remapped -1 and 
> the highest number remapped to 1. i figured if i could offset the 
> array to the center, then renormalize again, i would get the results i 
> need.
>
> sorry i'm such a math idiot! any ideas?
>
> --eric
>
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