0
votes
0answers
27 views

How to use Mathematica and Wolfram Alpha for predicting football results? [on hold]

This is more of a fun question :D. At work we have been discussing and goofing around a lot on how to create algorithms in order to make predictions on the results of the upcoming UEFA EURO 2016 ...
0
votes
1answer
66 views

Add color bar in SphericalPlot3d in version 8

I want to add a color bar in my spherical plot. I have tried the BarLegend command in version 8 but it seems not working. Could anyone help me out a bit? I wrote ...
4
votes
1answer
66 views

Argument attributes for pure functions

In his book, Leonid Shifrin says: One important limitation of the # - & notation for the pure functions is that it is ...
3
votes
1answer
109 views

BoxWhiskerChart with logarithmic axes 2

I actually already found my answer on the question, however it is not working. see BoxWhiskerChart with logarithmic axes I want to create a boxwiskerchart with a logaritmic axes. But when I try ...
8
votes
1answer
85 views

Evaluation leak from Dynamic in Button's action

a = 1; Button["Print", a++] Button["Print", Dynamic[a++]] Button["Print", Dynamic[a++];] Button["Print", {Dynamic[a++]}] Dynamic @ a The second ...
0
votes
1answer
47 views

Metric Simplify & grouping

I'm changing a basis from one metric to another. When simplifying the result Mathematica doesn't seem to grasp all the possible simplification: ...
77
votes
1answer
3k views

Open-source IntelliJ IDEA plugin to support Mathematica development

Although we already had a question asking for development alternatives to Wolfram Workbench, I want to ask a more specific question: One of the most advanced IDE's especially for Java programming ...
2
votes
2answers
146 views
6
votes
3answers
114 views

What function superseded SpaceForm?

In older versions of Mathematica you could use SpaceForm to leave a certain amount of spaces when writing to a file. For example, if we have the following data: ...
2
votes
1answer
68 views

Solving for five unknowns in a 3 x 3 matrix

I know that matrix.Transpose[matrix] = IdentityMatrix[3] matrix = {{0.8111, 0.4867, -0.3244}, {a,b,0}, {c,d,e}} I tried ...
2
votes
0answers
18 views

How do I use Mathematica to upload to Clyp?

Clyp is a service for hosting sound files that (as of now) doesn't require registration. I'm wondering if it's possible to write a function that'll upload a Sound object to Clyp, just like the ...
1
vote
1answer
56 views

Antialiasing points on a line?

I'm probably being stupid here, but I can't get my points to go in a smooth line: At this scale they should all equally cover the red line. I must be doing something wrong, anyhow I tried to use ...
48
votes
4answers
3k views
0
votes
0answers
19 views

Evaluates fine but blank printing/pdf?

Hey guys I've got a document that evaluates fine but when I go to print preview/print/convert to pdf the result is a single blank page. Any thoughts as to how this occurs?
0
votes
0answers
24 views

Stop front-end auto-adjust of window to output

I have made a simple "percent complete" output to track my For loop, where I incrementally print values and then delete the output right before printing the next ...
1
vote
2answers
38 views

Plotting points using adjacency matrix

Given an adjacency matrix on n vertices and a polygon on n vertices, how to add edges from adjacency matrix on the Polygon? eg: if polygon is {(0,0),(0,1),(1,0),(1,1)} and the adjacency matrix has 1 ...
3
votes
2answers
118 views

GridLines for a coordinate system with a particular basis

Suppose that I use the vectors (2,1) and (-1,1) as a basis for $R^2$. ...
7
votes
1answer
151 views

Is there an easy way to do set counting in Mathematica?

I'm using counts of elements in sets, along with logic. So, for instance, I'd like to determine if Count[$a \land \neg b$] = Count [$a$] - Count[$a \land b$] ...where ...
-1
votes
0answers
20 views

how to choose from M a point which will be the center of the circle, and in that circle must be a minimum of points [on hold]

C programming on a plane are given a set of points M. Choose from M a point which will be the center of the circle, and in that circle must be a minimum of points
0
votes
0answers
18 views
0
votes
0answers
76 views

Error - Differential equation //2

This is a follow-up question, since it relates to the solution of a modified version of the original differential equation discussed here: Differential equation: NDSolve::berr I receive an error ...
5
votes
2answers
123 views

How-to ensure consistent legend when using PieChart?

Description: I would like to enforce consistent legend and style throughout dynamic PieChart evaluation. Problem: Based on current implementation, the color ...
0
votes
1answer
27 views

Troubles with showing axis after saving in EPS

I'm trying to save a picture in EPS and then to put it into my LaTeX document. But when I put it the left axis is not shown. How do I fix it? (look at the screens) If I save the image in JPG, ...
2
votes
0answers
47 views

How to understand the LocalClusteringCoefficient use in directed graph? [duplicate]

When this function use in undirected graphs,its action is normally and can be explained by this formula $$CC_v=\frac{n}{C_{k}^{2}}=\frac{2n}{k(k-1)}$$ n is adjacent nodes of $v$'s number of ...
-3
votes
1answer
68 views

Animate Spring Pendelum

Is there ANYBODY who can solve this exercise??? Visualize the oscillation of a spring pendulum . Write to a function ( modules ) "spring mass" [ eg , nzigzag ] , which visualizes the spring ( Line ) ...
4
votes
3answers
123 views

Extracting *firstly roots* from some lists to plot their pairs values

I have two different lists as list1 and list2. Their ListPlot3D of them are: and As shown in these plots, there are some points of which ...
2
votes
0answers
194 views

DSolve versus DSolveValue [closed]

I've just discovered the new command DSolveValue in Mathematica 10. Is this new command now the preferred instead of DSolve? Is ...
17
votes
4answers
326 views
0
votes
1answer
35 views

Replace argument of delayed function before it evaluates [duplicate]

How should I use replace so that f[x_] := x^2 Replace[f[3], 3 -> 1] OUT = 9 evaluates to 1, instead of 9? This way, the replacement of the argument is done ...
0
votes
3answers
125 views

Do loop with If condition

I have the following formulas: 1- A cross section: sigma[beta_,alpha_,Y4_] := c^2/(256*Pi) * (1/2) ( Ytt[beta,alpha,Y4]/ m ) * Abs[A]^2 Where c is a strong ...
-1
votes
1answer
102 views

Solve an equation in several variables

I'm new to Mathematica, so my question may be quite trivial, but I need help. Let $F(x,y,a,b,c,d):\mathbb{R}^6\rightarrow \mathbb{R}$ be a function in 6 variables. I need to find conditions for $x$ ...
0
votes
1answer
26 views

Probems using 2 For and a AppendTo to cycle through my Equation to solve some matrixes

I am trying to solve a few problems here. I have an equation with multiple variables that I am trying to solve in For loop method. I will attach the file below. In addition I am trying to get it to ...
-3
votes
0answers
33 views

An error in Do Loop

I previously asked a question a bout how to make Do Loop with if condition in this post: Do loop with If condition Actually I applied the answer of @JasonB by using Reap and Sow on a function in ...
1
vote
2answers
81 views

Add marks in multiple functions in Plot

I am looking for any options to draw 2D plot of differently marked curves for given functions, thus one can distinguish it by the provided legend. For instance: ...
7
votes
0answers
81 views

Override a PlotTheme element at the Options level?

Edit: I am still using version 10.1; has anything changed by 10.4.1? Plot properties defined in a Theme override (supersede) properties defined on Options. This ...
0
votes
0answers
27 views

How does one use InputField in CDF Player? [on hold]

The Wolfram website says "InputField[x, Number] works normally in CDF Player, Player Pro, and Mathematica." So I made a CDF with this code: InputField[x, Number] When I try to run this in CDF ...
-3
votes
1answer
67 views

How can I fix my code? [on hold]

I am running this following code in Mathematica. It shows some error message. I have no problem with it. But it does not show the output for $m=1/2$. It shows me the output when $m=1$ and $m=2$. How ...
5
votes
2answers
67 views

How to generate grid points on boundary of $[-1,1]^d$ for arbitrary dimension $d$ and specified resolution?

This must be a trivial thing but I was not able to find a function for it in Mathematica. How do you efficiently create a grid with constant but specific resolution $r$ in all directions on the ...
6
votes
2answers
100 views
1
vote
1answer
35 views
31
votes
2answers
2k views

Scan vs. Map vs. Apply

I cannot understand the difference between Apply, Scan, and Map. I have tried to play with ...
1
vote
1answer
94 views

Image Filtering in the frequency domain

Here is a good starting to fiter image in the frequency domain lena = ColorSeparate[ImageResize[ExampleData[{"TestImage", "Lena"}],{121,121}]][[1]]; (Create a ...
1
vote
0answers
28 views

Speeding up solving nonlinear Schroedinger equation in 3D with NDSolve with periodic boundary conditions

I have a question on speeding up solving nonlinear Schroedinger equation in 3D with NDSolve with periodic boundary conditions. I build the ODE system with NDSolve...
52
votes
1answer
532 views

How to simplify writing LibraryLink code?

LibraryLink is an API for extending Mathematica through C or C++. It is very fast because it gives direct access to Mathematica's packed array data structure, without even needing to make a copy of ...
0
votes
1answer
74 views

What would be the Mathematica equivalent of sparse in MATLAB?

The sparse function in MATLAB does the following: S = sparse(i,j,v) generates a sparse matrix S from the triplets i, j, and v such that S(i(k),j(k)) = v(k). The ...
2
votes
2answers
33 views

Preventing LocatorPane Locator from moving when PlotRange changes

I have a LocatorPane within a Manipulate such that the range of the plot behind the Locator ...

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