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Questions tagged [data-representation]

177 questions
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Can default strings representing structure printout be changed?

I'm trying to use common technique to create structure mimicking native type, it is constrained number (constraint not shown in sample): _ Public Module DbKeyModule _ Structure DbKey …
miroxlav
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max and min values that can be represented with a 5-digit

How do I find max and min values that can be represented with a 5-digit number that is in base 13 assuming only positive integers are represented? then the answer needs to be in base 10. does 5 digit number mean 5bits? Isn't the smallest number…
me sung
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How to find FFT in Excel without using Fourier Analysis function?

I am trying to write an FFT application in Excel that claculates frequencies, amplitude and phase. I know how to use the in-built function but the data I am trying to analyse has 32,795 points, more than the maximum 4096 for the in-buit…
Ed.
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How to apply a Gaussian filter to co-ordinate data

I have taken a highly detailed trace of a surface in order to try and calculate the Surface Roughness eg. Ra or Rz. Before I can calculate these parameters I need to separate the Form and the Waviness (longer wavelengths) from the profile of the…
Ed.
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Exact representation of integers

I know that in Java there is the class BigInteger, that permits to treat the integers in their full representation via Strings. Is there something similar in R? I use integers to represent indices in my data structure, and I need to keep that…
jackb
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Gomoku Board representation

I'm working on a Gomoku game and I need an efficient data structure to store the boards state, I've thought about storing it in a 2D array, but I'm sure that there is a more efficient way. Thanks
YonBruchim
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Data representation in C : Linked structs vs Big structs

While looking at someone's code i was struck by a way of representing data which, in a C context, seemed strange to me : This person needed to represent different kind of geometries for a raytracer, each geometries while being different had…
user981234
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MYSQL hide field data if value in another field is set

Got a table like: art. type price a b 1 a c 2 would it be possible with a select to show filtered content as: art. type price a b a c 2 so that if the type is "b" don't show price…
user2239318
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Graphical representation in R: 2 as axes and 1 as volume

everybody. I am writing this question because I need your help to do a graphical representation in R. I would like to do a graphic as a coordinate system (two variables) and another variable representing the volume (size) of the points. You can see…
calejero
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Oracle representing hierarchy of data combinations

I'm having an Oracle volume of data issue, which I think is being caused by a data representation problem. I have a hierarchy made from seven different lists, and need to store all the unique potential combinations of these elements. I need to store…
Kieran
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Gomoku datas representation in C

I'm working on a Gomoku game I'm currently done with GUI etc, and I need to code the IA and Rule Checker (for optional rules such as Capture, forbidden patterns etc). I was planning on representing the board with an int array something like: uint…
Corwin
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How would this hierarchy for knowledge representation be extended?

I've tried making a hierarchy of all forms of knowledge - including physical objects, numbers, procedures etc. How could this be improved? How would a sentence such as "Jack is producing music sitting on a tree" fall into this chart? Jack would go…
Ghost
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How to store nested, numbered paragraphs (1, 1.1, 1.1.1)?

For example: Guide to Panel Controlling 1: Make sure the panel is closed. 2: Once closed, open the other panel. 2.1: Do this and this... You can also include in my requirements certain text styling and so on. I am currently using Django and…
abisson
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Efficient way to generate a table in vb.net

This question might sound a lot vague. What I'm looking for is a way to generate a html
. I need to build this table: Actually the top row is a header and the first two columns are headers too. For every cell starting from (3,2), I…
Highmastdon
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How to format the layout of a CSV or JSON file

I need to format the layout of a CSV or JSON-file. So I'm working on a project, where the user is able to do messurements. The results are written into a mysql database. There is a button so you can convert the database into csv-format and download…
Justin
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