0
votes
0answers
9 views

Rough mesh lines in 3D plots that are partially opaque

If I plot a surface with mesh lines, they show up fine (of course). However, if the surface is even just a little transparent, they get quite rough. Compare this to setting the Opacity to 1: ...
1
vote
0answers
19 views

How to stop V10 asking to continue with updated styling each time I open a new notebook

Each time I open a new notebook, using File->New->Notebook, I get this message Then I check on the "Do this for all notebooks". But when I repeat this and want to create a new notebook, it asks ...
1
vote
0answers
19 views

MapAt and generic Functions on Associations and Datasets

These are distinct but related questions about mapping functions to Associations and Datasets. Given: assoc = <| a -> 1, b -> 2, c -> 3|> And ...
3
votes
1answer
40 views

PlotLegend disappears if Plot is used with ColorFunction

Working some charts on V10, I discovered that PlotLegends disappears if used together with ColorFunction inside ...
0
votes
0answers
31 views

Dataset with no members

I am trying to plan a framework for relational algebra using the Dataset capability of Mathematica 10. In the work of Date and Darwen, there are two concepts known as TABLE_DEE and TABLE_DUM. ...
0
votes
0answers
20 views

Decreasing timing of evaluation

I want to improve my code to make it faster even for very large numbers. ...
1
vote
1answer
37 views

Inverting matrix of unknown size

I have a matrix that has a variable number of columns and rows (but it is always square). The matrix is: $$ \Gamma = \begin{bmatrix} \Theta & 0 & 0 & 0 & T & 0 & R_j \\ ...
0
votes
0answers
20 views

Truncating out higher order polynomials in series of fractions

I have taken sequential partial derivatives of a two variable polynomial fraction, resulting in a very long series of polynomials of form: ...
2
votes
2answers
50 views

Obtain data points from a density plot

I have a density plot, for example DensityPlot[Sin[x*y],{x,0,2pi},{y,0,2pi}]. Then I would like to collect points from this densityplot into a file so that I ...
4
votes
0answers
43 views

Can I get rid of the “learning bar”? [duplicate]

I just purchased a home edition of Mathematica 10, and there seems to be a toolbar that I can't get rid of. It is kind of annoying and distracting. I couldn't find the option in the preference panel. ...
2
votes
0answers
20 views

Problems extending NelderMeadMinimize

I've been playing around with Oleksandr's compiled Nelder-Mead Minimization function presented here: Shaving the last 50 ms off NMinimize I've been looking for a way to generalise one of the examples ...
0
votes
0answers
26 views

How to change the default AspectRatio for Plot to Automatic in 10.0.0? [on hold]

The default AspectRatio for Plot is set to 1/GoldenRatio in 10.0.0, how can I change this? I know I can set the option of a individual Plot like so, but I'd like to not have to do this every time: ...
1
vote
2answers
48 views

Combining Plot and ListPlot in a manipulation [on hold]

I have a plot of data points using ListPlot and another plot using a function. I want the function to look like the data points. I am able to use ...
3
votes
0answers
34 views

What devices are supported by the connected devices framework?

One of the new features in v10 is support for connected devices. How can I find out if a particular device is supported by Mathematica? Is there a complete list? Is support being added continually? ...
2
votes
2answers
53 views

SemanticImport mis-interprets CSV

SemanticImport misinterprets rows with trailing blanks. Note the commas in the 2nd column: ...
0
votes
0answers
8 views

Export ContourPlot as DXF

I'm having some trouble exporting a ContourPlot as a .DXF (to be used in AutoCAD). My code is: ...
6
votes
1answer
129 views

How to access new colour schemes in version 10?

Many colour schemes and colour functions can be accessed using ColorData. Version 10 introduced new default colour schemes, and a new customization option using ...
0
votes
0answers
44 views

Nonlinear FEM and FindRoot

I'm trying to develop a kind of nonlinear FEM application using mathematica to solve a bvp like the following: $$ \gamma(u') ~u^{iv} + 2 \gamma'(u') u''' u''+ u''^3 = f(x) $$ where $u = ...
3
votes
2answers
165 views

Will Version 9 functions all work in Version 10?

Having developed a substantial code base in Mathematica 9, leads me to ask these important questions prior to downloading and installing Mathematica 10. Will any Mathematica functions from the ...
1
vote
1answer
45 views

Why is Return not forcing an exit from my function? [duplicate]

Here is simplified version of my code that exhibits the behavior troubling me: ...
1
vote
2answers
49 views

FindRoot: getting number of iteration [on hold]

I'm using FindRoot to solve a nonlinear system. I'd like to see what FindRoot is doing while computation, something like the display option for Matlab fsolve. At the end of the day, I want the number ...
1
vote
0answers
34 views

Settings to disable global scope

I am building a fairly large application in Mathematica, and globally scoped variables are causing issues. I would like globally scoped variables to be out-of-scope for my expressions, except by ...
0
votes
0answers
30 views

Exterior product in 3 dimension [migrated]

I'm curious about Exterior product in 3 dimension. Is it same as cross product? If it is, does anybody here has idea with this calculation? (a∧b∧)∧c = ?
1
vote
1answer
53 views

Bug in NDSolve (Mathematica 9.0.1)? [duplicate]

The following code performs many times the same identical operation, but the time it takes increases systematically. This seems to be a problem of Mathematica 9.0.1 and above. Mathematica 9.0.0 does ...
1
vote
0answers
93 views

Mathematica 10 trial limitations [on hold]

I just installed the mathematica 10 trial on OS X Mavericks. Everything seems to be working fine, except that I cannot use Export or any kind of functions involving ...
0
votes
1answer
30 views

Why do For[] loop variables in different functions interfere?

I had something along the lines of: ...
0
votes
1answer
33 views

Nminimize fails claiming not a number value, even with _?NumericQ [on hold]

I have the following function to minimize for a > 0 ...
0
votes
1answer
41 views

Compute integral symbolically

I want to compute the following integral: ...
1
vote
0answers
32 views

Moving two Spheres in the Opposite Direction [on hold]

We know that we can achieve to a box contained two spheres by the code: Graphics3D[Table[Sphere[{i, Mod[i^2, 10], Mod[i^3, 12]}], {i, 2}]] How can the left ...
0
votes
0answers
22 views

Ndsolve, transmission line transients

I am trying to use NDSolve to analyze transients in transmission lines. I started with this simple one: ...
4
votes
3answers
76 views

How to color edges of a graph which has multiple edges connecting certain vertices

I'm studying BIBD(Balanced Incomplete Block Design) and want to draw some graphs by coloring their blocks in different colors, respectively. A block is a collection of edges (or vertices). For ...
3
votes
4answers
647 views

Random numbers that sum up to specific value

I would like to generate a list with random numbers, which add up to a specific value. While[Total[x] == 28, x = RandomInteger[{0, 28}, 5];Print[x]] The random ...
0
votes
0answers
19 views

Assumptions for simplifying a long equation

I'm having trouble combining assumptions with the execution of Simplify in a long equation. The idea is to separate imaginary and real parts of a complex equation. ...
0
votes
3answers
50 views

Positions of a string in a list [on hold]

Sorry for the bad title..Didn't know how to describe this, feel free to change it to be more specific. I have a list in this form: ...
0
votes
2answers
27 views

Assigning a given value if a function returns an error [duplicate]

This question has to do with error handling, I guess. I am using Brent's Method in order to numerically find the root of a function. This is just an example of what I am doing: ...
0
votes
1answer
33 views

Using Show to place a ParametricPlot on a LogLog scale

I wish to have a few plots on the same graph: ListLogLogPlot, LogLogPlot and a ParametricPlot drawing lines perpendicular to the x-axis. The problem is however that ParametricPlot doesn't seem to have ...
0
votes
0answers
19 views

Assumption for all the notebook [duplicate]

I would like to know how to fix an assumption over a variable that will be fixed for all notebook. For example a>0 in all the notebook.
0
votes
0answers
28 views

Define PolyLog so that positive reals evaluate on upper edge of branch cut

Generalizing the previous question: Define Log so that negative reals evaluate on lower edge of branch For real positive values $x>1$, Mathematica's polylogarithm function ...
0
votes
1answer
83 views

Can mathematica rearrange an equation and solve/plot it? [on hold]

Suppose we have this equation: $$ sin(x+y+z) = x^2y - wz$$ I want mathematica to plot contours of $x$ with axes of $y$ against $z$ in the limit $w \rightarrow 1$, tried this code but didn't work. ...
5
votes
0answers
73 views

AbsoluteOptions prints error messages in V10

I am trying to use AbsoluteOptions in V10 but I am getting the Out with some errors as see in this picture: does anyone have same issue?
0
votes
2answers
38 views

Forcing unifom axis scaling on a list plot [duplicate]

I'm trying to draw a ListPlot where the x and y axis have the same scale. My data is ...
0
votes
0answers
34 views

How to show two functions on one plot [on hold]

I am new user of Mathematica. I have G = 2 x + 5 and H = 5 x + 7. I changed x from 1 to 10 ...
0
votes
2answers
46 views

Plot integration curve of a system of ODEs

I'm really n00b in Mathematica, so please bear with me, as this seems to be my only option to learn how to do what I wany to do. I have a system of two differential equations: ...
2
votes
1answer
185 views

Transparency rendering problems in Mathematica 10 (Mac)

For some weird reason, they apparently changed the styling of contours in ContourPlot for 10.0. Here is a comparison of the results for V9 and V10 (first 9, then 10): ...
1
vote
1answer
116 views

How can I rewrite my code to make it simpler?

Two months ago,I written a function IRobot to caculate the $I_{xx},I_{yy},I_{zz}$ and $I_{xy},I_{xz},I_{yz}$,shown as below: ...
0
votes
0answers
25 views

Error message LinkObject::linkd when calling TextRecognize

I am getting the message LinkObject::linkd: "Unable to communicate with closed link LinkObject["E:\Program Files\Wolfram ...
4
votes
2answers
502 views

How to get the new font in Mathematica 10?

Trying out Mathematica 10 and I still get the Courier font, not the new font shown in all of the examples on Wolfram's website. Anybody have any ideas how to get the new font working? Running on Mac ...
10
votes
2answers
134 views

Error changing Dataset using Part

In the new guide Computation With Structured Datasets we can find this part, on how to change a Dataset But if we create a Dataset like: ...
0
votes
1answer
61 views

Fitting data to a Poisson distribution

I'm trying to fit a Poisson Distribution to data produced in a lab. I've successfully made a Histogram of the data, which looks like: However, when I try to fit the Poisson Distribution using: ...
10
votes
1answer
208 views

How to disable the small pop-up windows when mouse is over a Mathematica command in V10?

In version 10, when the mouse is over a Mathematica command, a small pop-up window comes up that one can click on for help on the command. Is there an option to disable this feature? Screen shot: ...

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