Questions about getting data, files, images etc. from various formats into a form that can be read, tranformed and manipulated by Mathematica

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1answer
82 views

Importing data to make a DateListPlot

I am having a hard time trying to import some text data for later use in DateListPlot. My first field in my data is a date of the format "yyyymmdd". I tried to ...
0
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1answer
60 views

Using imported data in further calculations

I have quite a lot of data in an Excel file, which I have to use in further calculations. The transformation should map a data point with thre coordinates into a two coordinate result. Example: ...
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1answer
158 views

Transforming an image as an object

The problem is following: I have a following animation: ...
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1answer
88 views

How to work with 3D images of STL format

After importing a 3D image of STL format, my possibilities in regard to "3D Volumetric Image Processing" seems rather limited. All examples are given with TIFF files. Is there a way to convert from ...
0
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1answer
241 views

Plotting Surface Graph from Excel Data Import to Mathematica [duplicate]

I am trying to make a surface graph on Mathematica using Excel Data. My x-axis should be the "A" Column and my y-axis should be the "1" Row. The box of data in between the x-axis and the y-axis should ...
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1answer
413 views

Importing a named range of cells from Excel

I have a macro (is that what you call it?) set up in Mathematica and it runs fine. What I want to do now is set up my notebook to look through an Excel document (.xlsx) and pick out a certain set of ...
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2answers
125 views

Convert *.txt file

I would like to Import and Convert a *.txt file which looks like: https://docs.google.com/file/d/0Bw-308nJcF01Yl92RURCLUg4VzQ/edit?usp=sharing and turn it into a Matrix which I can use to make ...
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1answer
28 views

ReadList error with negative very small numbers

When I try to import data with ReadList from a file containing very small numbers (~10^-318), positive data is handled well, ...
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1answer
40 views

Importing and manipulating data in HDF format

I have two matrices A1 and A2 in HDF format. I use the following code to import them. ...
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1answer
54 views

Import invocation fails with Get::noopen : Cannot open JLink error

The following function call fails when I invoke it in a fresh Mathematica session: ...
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1answer
133 views

When importing is it possible to set the delimiter?

When importing a csv file is there a way to set the delimiter. I have a csv that uses ";" as its delimiter. I tried ...
0
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1answer
134 views

3D Plot of .txt File of the Surface Plotting Variety

I'm having a bit of trouble. I've seen other questions answered on here about how to 3D plot data from .txt files of the format: x y z x y z x y z Which works ...
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1answer
60 views

Combining an imported PDB file with a set of Graphics3D objects

Imagine we import a PDB file like so (using the example from ref/format/PDB in the help directory): ...
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1answer
148 views

Import symbolic variables from Matlab with MATLink

I'm trying to manipulate with Mathematica symbolic expression created in Matlab. I'm using the MATLink package, and I've succedeed in importing numerical variables, but not symbolic ones : ...
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1answer
106 views

Import variables from excel

I have an excel file I am trying to import into Mathematica. It is in the format of variables names in the first row of each column and then the data underneath. One of the columns specifies ...
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2answers
122 views

Import matrices side-by-side separated by TAB

The problem is 0(TAB)0 interpreted falsely as a dark red square although it should be a dark red square surrounded by zeroes/ones. Import has different data-formats ...
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1answer
421 views

Error messages in importing data file

I want to copy the data in a public file (link in code below) and put each row of the data as a sub-list, i.e., in the format ...
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1answer
304 views

importing and manipulating data file

I have a large text file containing numeric data of 1000 groups each of 200 lines. The lines are unsorted. There is a 9 line header at the beginning of each group, i.e., 209 ⨉ 1000 lines altogether. ...
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0answers
25 views

How to save all data in all variables in context different than “global”?

I have seen questions on saving data on "global" context. Now if I set my notebook's evaluation context "unique to this notebook". the global context doesn't work quite well. Any idea what should i do ...
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0answers
22 views

relative directory paths within a mathematica package/what directory does a mathematica package see as local? [duplicate]

I have a package that gets loaded in many notebooks I use, with Import[pathToLibraryDirectory<> "toolkit.m"]; This toolkit in turn loads some Excel ...
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0answers
14 views

Has someone created markdown <-> notebook converter? [migrated]

There are some fantastically detailed answers in this forum; I wonder if folks are using Mathematica's notebooks to do the heavy lifting and then exporting as markdown for StackExchange. Going the ...
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0answers
53 views

Importing and running a notebook [duplicate]

I have a very long .nb file. I want to subdivide the different sections into separate notebooks, then call them in a common nb ...
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0answers
115 views

Calling a DLL with two inputs and one output

I need to call a DLL that requires two real number inputs to get one real output back. I can get one of the simple example uses of DefineDLLFunction to work, but I ...
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0answers
58 views

Importing a directory of sequentially labeled images without a slowdown proportional to the directory size

I have previously asked an as yet unanswered question about how to fix an issue with slow import of multigigabyte TIFF image stacks: Slow import of multigigabyte TIF image stacks. I've been ...
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0answers
57 views

Connect to a MS Access database (*.accdb) [duplicate]

The JDBC Connections section of the help file http://reference.wolfram.com/mathematica/DatabaseLink/tutorial/DatabaseConnections.html gives me the impression that I can connect to a MS Access Database ...
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0answers
67 views

Importing specific columns of a .txt file [duplicate]

I have text delimited file, with data in four columns. How to use ReadList to extract only the first and the fourth column.
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0answers
45 views

Import a UTF16 encoded file [duplicate]

Is it possible to import a UTF-16 encoded file to Mathematica 9.0? I have tried with UTF-8 encoding but I get erros and I have read that it is buggy ...
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0answers
127 views

Behavior of copy and paste with different image formats

Ok, let's say I create a 1x1 pixel image. i = Image[{{0}}, "Byte"]; Now I Export["image.png", i] the image and import it into ...
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0answers
51 views

Import and file symbolic links

Can Import be forced to follow a file symbolic link (a.k.a. alias (Mac) or shortcut (Windows)) to the true file?
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0answers
52 views

How to monitor the progress of Importing files? [duplicate]

I want now,how much of percentage was imported,while importing any file. How can I solve this? Can anyone help me? Thank you.
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1answer
99 views

How to import sound file from computer? [duplicate]

I know you can import sounds/images from the Mathematica library, but I was wondering if I could import sounds I have on my computer (i.e. .wav files)? I've tried using the Import functon and properly ...
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0answers
189 views

Determining if a point is inside or outside a 3DS (.3ds) or 3DS MAX (.max) object?

Imagine I import some 3DS (i.e. 3D studio) file (http://reference.wolfram.com/mathematica/ref/format/3DS.html) or a 3DS MAX file. How could I place this model (say, the 747.3ds file in the ...
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0answers
30 views

Exporting large expression [duplicate]

I generated a huge mathematical expression (~200k terms, impossible to simplify yet) and want to save it for later analysis. Last time I did Export to *.nb file and ...
0
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0answers
188 views

How to import data from Blender or 3DS max file? [duplicate]

I would like to ask how to import a file from Blender 3D application and make a isolines plot. What I intend to do is to make a terrain model in Blender, and make a topographic map of it in ...
0
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1answer
339 views

Can an Interpolation function be 'saved'? [duplicate]

Possible Duplicate: Save interpolated function I am importing tables with sizes of 100k - 500k rows and 4 columns. The larger the table, the slower my Mathematica runs for all computations ...
-1
votes
1answer
236 views

Why does the PlotStyle not apply globaly when I plot multiple data files

I have several data files which contain columns of data. All my files follow the same format data001.out, data002.out, ... , data00n.out. I want to import and plot all of them simultaneously. In ...
-1
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1answer
289 views

Importing Quicken Tab Delimited .*TXT File and plotting

I am using Mathematica 7 to try and plot my quicken data file. I have exported my quicken file as a .*TXT and have made zero changes to it. I want to do a ...
-2
votes
1answer
80 views

Data is imported as string instead of numbers [closed]

newdata = Import["data.txt", "TSV"]; ListPlot[newdata] My data.txt file consists of two columns of numbers, separated by ...
-2
votes
1answer
160 views

Importing a stack of images [closed]

I have a stack of images with the file names C0001996_0000 , C0001996_0001 etc. In total I have $600$ images. I would like to ...
-3
votes
1answer
132 views

import Excel sheets by name

I'm importing data from Excel. It appears that the sheet number needed in the Import statement is taken from the order that the sheets appear in the open Excel file. I need to import 2 of the sheets ...
-4
votes
1answer
99 views

Exporting data from different notebooks to a common file

I am doing some calculations from different notebooks. I need to export the results from all those notebooks in columns of the same file, like a1 b1 c1 a2 b2 c2 a3 b3 c3 . . . where a, b ...