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Mar
24
comment Reading a .txt file with numbers
@mencia if you look at the answer that I updated with 2012rcampion feedback you can see that there is a ToExpression command which makes it a complex number. Check with Head[#]&/@data which returns {Complex, Complex, Complex, Complex, Complex, Complex}
Mar
24
comment Extracting road curves from an image
@nikie loved the method used to make the road system stand out. Do you have any recommendation on literature to read to learn the tricks available in the discipline of image processing?
Mar
23
comment Extracting road curves from an image
@Nikie, have you done anything special with the definition of bgnd? I get the following error message Show::gcomb: Could not combine the graphics objects in Show
Mar
23
comment Extracting road curves from an image
@Nikie, this is what I wanted to achieve. Thx. I'll be checking the code a wee bit later. Any recommendation for changing the title to something more meaningful?
Mar
23
comment Extracting road curves from an image
Thanks @Pickett, added the missing code.
Mar
6
comment several plots at once
Check the changes
Mar
6
comment several plots at once
If you look at the code you'll see it is reading separated files.(the first section of code creates separated files to use in the answer as no actual data has been provided.
Feb
19
comment Adding map to 3D plot?
This question might be of help. mathematica.stackexchange.com/questions/26301/…
Feb
18
comment Plotting Vectors in Mathematic at lat/long positions
What version of Mathematica do you have?
Feb
18
comment How to plot points with error circles on map with latitude/longitude grid
@KittyKat24 Geographic Computation is new to Mathematica 10 wolfram.com/mathematica/new-in-10/geographic-computation
Feb
17
comment Export the animation labeled with time in the animation?
@lxy I used Chrome as a browser to open.
Feb
16
comment Use of Replace function
@m_goldberg, very odd. In my Version 10.0.2 Im getting the same result as you.
Feb
14
comment Help me plot a tangent with a Sin curve
Thanks @bbgodfrey, fixed
Jan
6
comment LogLogPlot plugs in zero
No errors Mathematica 10.0.2 Windows 7 Enterprise.
Dec
24
comment Display 3D function and its gradient in same graphic
Check out mathematica.stackexchange.com/questions/14863/…
Dec
5
comment Time Series fit in Mathematica
Hola @miguel what version of Mathematica are you using? and can you post some data sample and any work you've tried so far?
Nov
18
comment Setting chartlabels in a histogram
this works well in version 10 and fails in version 9.
Nov
4
comment How to save and manipulate an already plotted graphic
@SeyhmusGüngören, please press Ctrl-Shift-R twice on top of the graph. You'll see at the very end that there will be a Placed[xxx,{Top,Right}] -> Change to {Top,Left}
Nov
4
comment Exporting to a single spreadsheet in excel
Export["results.xls", Flatten[data]]
Sep
16
comment Finding exponential model from data
Dear @GaryWhite, indeed the negative sign makes the function's limit to infinite reach zero. Assuming[a > 0 && b > 0, Limit[ a Exp[-b t], t -> [Infinity]]]