For questions specific to Version 8 of Mathematica.
3
votes
0answers
73 views
Method Shrinkwrap Messes up editting Graphics
If you try resizing or moving the Inset in the following interface, the Graphics becomes incredibly jerky and borderline ...
1
vote
0answers
88 views
Positive integrand giving negative answer
I'm integrating a positive function f(t) times sin(t) from 0 to pi/5 and get -38.
Actually f is slightly negative for a short time (smallest value ~ -0.0005), but far from enough to explain this. ...
7
votes
2answers
86 views
Alternative to NotebookLocate or NotebookFind
In Mathematica 8.0 and older, there are two ways to select cells based on cell tags.
NotebookLocate["CellTag"];
NotebookGet[EvaluationNotebook[]]
and
...
6
votes
3answers
122 views
ListPolarPlot not showing full plot range even with PlotRange -> All
I have a list of data dpdOt (given below) with associated angular coordinates thetaplot, which when plotted using
...
3
votes
0answers
53 views
Det and MatrixRank freezes on SparseArray with nonzero default value
Why does the following simple code never come to an end (at least with version 8)
n = 5;
mat = SparseArray[{i_, i_} -> 1, {n, n}, -1/(n - 1)];
MatrixRank[mat]
...
5
votes
3answers
132 views
Riemann-Spherical Projection of Network onto the $\mathbb{R}^2$-Plane
I'm trying to find a way to plot the graph
...
2
votes
2answers
175 views
Matrices and polynomials: MMA 8 vs. 9?
I want a function to take a polynomial from a list, plug a certain matrix T into that polynomial, and return the answer as another matrix. My program uses the applyPoly function suggested by a user in ...
1
vote
1answer
101 views
Techniques Modifying Cells M8.0
What techniques are there for modifying/organizing/selecting/deleting cells? I understand Mathematica 9.0 has a Cells function but what techniques exist in Mathematica 8.0? The documentation for ...
2
votes
0answers
55 views
Must Run Cell Twice to Display Values
What is going on here?
Print[InputField[]]
CellPrint[TextCell["my\"text", "Text", ShowStringCharacters -> True]]
If I insert the above code into a blank ...
13
votes
2answers
179 views
Problem importing URL with Greek characters
I'm considering buying a car. So I thought why not make a web-crawler in Mathematica to pile-up car data? Brilliant idea.
Then I found this Greek website, gocar.gr, which just so happens to have all ...
16
votes
3answers
418 views
Clipboard with transparency
After reading this question I have determined that
Rasterize[Graphics[Circle[]], "Image", Background -> None]
allows you to do ...
0
votes
0answers
90 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 ...
2
votes
0answers
119 views
Derivatives of list elements
Could someone explain the odd behavior of the Derivative function when drawing arguments from lists? We have,
...
8
votes
2answers
175 views
Problem with NIntegrate when WorkingPrecision is specified
I am trying to evaluate this integral numerically:
$$
\int_0^{\infty } m \exp (-m) J_1(m){}^2 \, dm
$$
Everything is OK when only the integration method is specified:
...
2
votes
1answer
74 views
The proper way to write the input for a certain series
Mathematica tells the series below doesn't converge. I think it converges. What would the
proper way to write things be as an input?
...
