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Apr
20
awarded  Popular Question
Apr
16
comment Importing replacement rules from files
Is there any reason in particular that you want to work with individual files?
Apr
14
accepted Overriding default ExtrapolationHandler
Apr
5
revised Overriding default ExtrapolationHandler
added 1 character in body
Apr
5
asked Overriding default ExtrapolationHandler
Mar
29
awarded  Fanatic
Mar
21
awarded  Enlightened
Mar
19
comment How to systematically approach when solving a large system of differential equations?
general piece of advise: don't use names with capital letters (such as L in your code) and stay clear of subscript except for pure visuals
Mar
16
comment General techniques for creating complex animations
Addendum: To get a smooth, even animation the actual interpolation between keyframes is handled globally to archive a constant frame rate. I think Mathematica is a good tool to implement all this because it can handle (1.) a custom datatype keyframe, maybe using UpValues, (2.) mathematical description of interpolation between keyframes (3.) rendering the interpolated keyframe-sequences as vector- or raster-images.
Mar
16
comment General techniques for creating complex animations
As someone who has worked with animation software before: The real point of having keyframes is not really to define every single step as a keyframe micromanaging all the information but to define some start and end keyframe carrying different information with regard to one or more parameters (such as size and rotation) and choosing an interpolation method/path per parameter for generating new in-between keyframes (that may or may not be exposed as editable keyframes themselves).
Mar
16
comment General techniques for creating complex animations
In the usual animation and video tools (e.g. after effects) one often works with so-called keyframes. Parameters such as color, position and transparency of different objects are specified at discrete points in time (that can be moved along a time line). Usually one specifies everything as sequence of keyframes and appropriate interpolation (maybe with fancy fade-in/fade-out effects or polynomial paths etc.). Maybe this way of structuring animations can be applied here as well.
Mar
16
revised Uploading sketch to Arduino from Mathematica
edited tags
Mar
16
asked Uploading sketch to Arduino from Mathematica
Mar
12
comment What is a printer's point?
I would guess that Mathematica again wants to be clever about the whole thing and does not use a 1:1 ratio for ppi (Pixel per Inch) to dpi because it knows that your screen does not have a 72 dpi screen but a 96 dpi screen. Most people would probably assume that WindowSize -> {2560, 200} gave them a full screen windows on a 2560 px screen regardless of the pixel density.
Mar
5
awarded  Tag Editor
Mar
5
revised
added 104 characters in body
Mar
4
wiki
Mar
4
suggested approved edit on
Mar
4
comment Direct Pressure Data Acquisition with Mathematica and Arduino
I just tested performance briefly: DeviceExecute can be called with approx. 30Hz (which is a bit disappointing) while both DeviceWrite and DeviceReadBuffer can be called with approx. 700Hz at a baud rate of 115200 (higher rates such as 256000 didn't work) when listening on the serial port.
Feb
29
comment Using \n (new line) as delimiter in StringSplit
@Kuba, Thanks! In the light of the clear documentation on Whitespace this turned out to be a stupid question ...once again an example of dangerous "intuition" and the suggestive nature of the naming scheme of build-in symbols