-2
votes
0answers
16 views

Use MATHEMATICA to graph the following curves on a single pair of axes:

Use MATHEMATICA to graph the following curves on a single pair of axes: f(x)=x^3, f(x)= x^5 - 2 x^3 - 3 x
0
votes
0answers
55 views

Calculate the value of g, the acceleration due to gravity at the earth’s surface

According to Newton’s second law of motion, a body near the earth’s surface falls vertically downward according to the equation $\quad s=s_0+v_0\,t+\frac{1}{2} g\,t^2$ where $\quad s$ is the ...
0
votes
0answers
14 views

Data acquisition from NI USB-6008, NI-DAQmx

I want to connect an interface from National Instruments to Mathematica in mac, i already download the driver Ni-DAQmx_Base_3.6 from NI page. How to tell Mathematica to dump data from the interface?
0
votes
1answer
40 views

Dsolve implicit solution to a Differential Equation [on hold]

I would like to know if there is a form that Mathematica can give me the implicit solution to an ODE. When I use Mathematica of Alpha it it always seem to solve it for y (the dependent variable) but ...
0
votes
0answers
45 views

Computing the Hurst exponent or fractal dimension of fractional Brownian motion

The Hurst exponent is related to the fractal dimension by noticing that the fractal dimension $D$ is equal to $2-H$, where $d$ is the intrinsic dimension and $H$ is the Hurst exponent, for 1-D ...
0
votes
0answers
49 views

Approximate the largest and the smallest values of the integral [migrated]

How do I solve this:approximate the largest and the smallest values of the integral for
0
votes
0answers
23 views

SyntaxForm not correctly parsed by FrontEnd

When using TagBox with SyntaxForm, I noticed sometimes it is not well parsed by the ...
1
vote
0answers
43 views

CPU usage remains at 13% even after I quit the kernel

I use Mathematica 10.0.0, and after I run it for a while (a few simple commands for example) the CPU usage (Mathematica.exe) remains at 13% even after the calculations are over. I quit the kernel but ...
2
votes
1answer
40 views

Import iTunes xml data and convert it into a dataset or table

I have an xml file with song data from iTunes (https://dl.dropboxusercontent.com/u/1012958/iTunes%20Library.xml) and I'd like to import it to Mathematica to do some statistics. I get an XMLObject like ...
4
votes
2answers
178 views

Plotting spherical surfaces

I am trying to make surface plots of squashed spheres. The spheres are defined by a list of points. For simplicity, consider the round sphere: ...
0
votes
0answers
27 views

Is this the correct method in using bootstrapping to determine a lower confidence bound?

Quite often in industry, due to cost and schedule constraints, decisions must be made on small sample size data. I have 4 cycles-to-failure values resulting from running samples to failure in a ...
6
votes
4answers
197 views

Set of integers not divisible by smaller set of primes

Let $p_n$ be the sequence of prime numbers, and $s(x,n)=$ the set of integers less or equal than $x$ that are not divisible by $p_1,\dots,p_n.$ I can define it as follows: ...
0
votes
0answers
49 views

Frame ticks not showing in ListLogLogPlot [on hold]

I want to make the following plot: ...
3
votes
2answers
109 views

VectorPlot differences between v9 and v10

The following code displays differently with v9 & v10: ...
3
votes
2answers
51 views

Advanced SQL-type select statements (filtering) on Datasets

I'm trying to improve on mathematica's handling of datasets. I'm currently writing this function that should do the following. Suppose I have a dataset with columns, e.g. ...
5
votes
1answer
170 views

Optimizing Monte Carlo simulation of a Pred-Prey model

My assignment and code As part of an assignment for one of my classes, I'm trying to run a "massive" Monte Carlo simulation in Parallel on the follow model: ...
6
votes
1answer
70 views

Plot one set of “x” with at least three sets of “y” in different scale

I'm sorry if the question is too obvious, but I haven't been able to find a straight answer for Mathematica. I have 1 set of "x" with at least 3 sets of "y" in different scales. I need to plot them ...
2
votes
2answers
71 views
0
votes
1answer
58 views

How to evaluate integrals over matrices [on hold]

Is it possible at all to evaluate integrals with respect to a matrix (dA, where A is a matrix) in Mathematica?
3
votes
1answer
81 views

Is undocumented \.bd = ½ bad to use?

I want to use \.bd which leads to ½ as part of the name of a symbol in the front end (e.g. ...
0
votes
0answers
27 views

DelaunayTriangulation in Mathematica V 7.01.0 [duplicate]

I have a list of 2D point coordinates in the form of {...,{xi,yi},...} and want to make a triangular mesh for it. By using DelaunayTriangulate function in Mathematica V7, it gives me something that ...
-2
votes
0answers
30 views

Help with NDSolveValue

I have a small problem solving Schrödinger equation. Here's setup: ...
8
votes
1answer
123 views

ImageTransformation: polar to cartesian

I am working on something that requires the polar transformation of some images. I implemented this transformation with ImageTransformation: ...
-1
votes
0answers
35 views

Getting message DSolve::conarg:

I want to solve a simple linear PDE about $p_0$ which is a function of ξ, ζ and τ. However, the boundary condition is defined at ζ = h, which is a function of ξ and ...
2
votes
1answer
47 views

How to select elements with a specific style of a list?

Suppose I have a list: where 3 'up's of the list are red(I've made it to Cell Expression as follows). ...
2
votes
1answer
68 views

Plotting a region with thin cusps in high-definition via RegionPlot

I want a high-definition picture the real solutions $(s_1,s_2,s_3)$ of the system of inequalities $3 s_1^2 < (s_2 - s_3)^2 + 2 s_1(s_2 + s_3)\\ 3 s_2^2 < (s_1 - s_3)^2 + 2 s_2(s_1 + s_3)\\ 3 ...
6
votes
1answer
110 views

Replacing graph nodes with matrices

I would like to label a graph with matrices. Suppose the graph is simple: And I have an array mats that contains the labels for vertices 1,2,3,4 (these are just random 0-1 matrices; ignore the ...
1
vote
1answer
129 views

Mapping points on the unit circle

I have a set of points P that are evenly spaced on a square grid of length 1... I would like to map these points to the circle of radius 1 as nicely as possible, while preserving relative positions ...
3
votes
2answers
56 views

Adding Text to a ListLogLinearPlot [duplicate]

I have a problem with adding text to a ListLogLinearPlot plot. The text just doesn't show up anywhere. If I use the normal ListPlot, the text coordinates go perfectly wherever I want them to: ...
2
votes
1answer
35 views

Correct handling of milliseconds in a date time string

DateString[{2014, 5, 7, 13, 47, 44.760}, {"Year", "-", "Month", "-", "Day", " ", "Hour", ":", "Minute", ":", "Second", ".", "Millisecond"}] Returns ...
1
vote
0answers
66 views

Conceal GUI source code

I'm working with a simple software application written in Mathematica, composing of several .nb and .m files. The application is centered around a simple mathematica GUI, which includes several ...
0
votes
0answers
43 views

Is there a reason why some specific arrangement of scattered grid points would yield bad RBF (Obtuse package) interpolation results?

I have an arrangement of grid points given by the figure below (the datagrid data is posted below at the end of the post): They correspond to electrode positions of an EEG signal. I am ...
2
votes
2answers
39 views

How to display movie without controls [duplicate]

I would like to display a sequence of images as a movie within mathematica. I am aware of ListAnimate, but I do not want the various controls included, and there seems to be no way to remove them.
6
votes
1answer
187 views

Integral of x^p

Can anyone explain why Mathematica does not return a conditional expression that handles the case of p=-1 for Integrate[x^p,x]? ...
6
votes
1answer
56 views

Problem constructing Association tables with some operators

First, set up the example Dataset from the documentation: titanic = ExampleData[{"Dataset", "Titanic"}]; Why does this fail: ...
0
votes
0answers
17 views

Programmatically control notebook resize area

How might I programmatically control the notebook resize area? In particular, I want to be able to execute "Restore Down" when the window is maximized.
5
votes
4answers
188 views

Speed up Schwarz-Christoffel mapping

I would like to ask your advice how to speed up Contour and Parametric plots in the following example. Let as start by defining a function ...
0
votes
0answers
71 views

Can Mathematica solve 625 linear coupled differential equations?

I'm trying to solve an atomic physics problem in which I need to solve 625 linear coupled differential equations. I generated them by using the AtomicDensityMatrix Package. They are Liouville ...
0
votes
0answers
34 views

Overlay 3d plots in Manipulate [on hold]

I want to find parameters of the fitting of data by overlapping the data with my model function. To find the parameters I'm using Manipulate function. And to make sure that the fitting is close to the ...
0
votes
1answer
68 views

Turning sound into a graph

I'm writing a comprehensive text on graphs and Mathematica and in this context I have this, let's call it, creative gap between sound and graphs. There are plenty of ways one can create graphs from ...
3
votes
2answers
157 views

Why does a certain CSV file import properly into LibreOffice but not into Mathematica 10.0?

I'm working on a project involving data manipulation and it involves working with CSV files. I know that the files are properly formatted as when I import them into LibreOffice, all of the columns ...
1
vote
0answers
25 views

SocialMediaData[“Twitter”]: no output

I decided to give the SocialMediaData functionality of MMA10 a try but it does not seem to work for Twitter. The first time I call ...
4
votes
1answer
81 views

Menu item “Interrupt Evaluation…” missing in V10

The menu item “Interrupt Evaluation…” seems to have disappeared in Mathematica 10 on OS X. Well, this is a bummer. I personally use Mathematica for very long calculations, and I was using this ...
1
vote
1answer
50 views

Why does WordData fail to find “PartsOfSpeech” when given a list of two words?

I have the following sample code. StringSplit["a test string", " "] Thread[WordData[%, "PartsOfSpeech"]] The output I get is: ...
0
votes
1answer
64 views

How to solve two non-linear equations in two variables [on hold]

I am a new user of Mathematica. I have the following non-linear equations in two variables: How can I solve this system with Mathematica?
4
votes
1answer
119 views

Fitting numerical model to experimental data

I have diffusion equation with the initial/boundary conditions: ...
-2
votes
0answers
32 views

“There are no symbols matching \”\!\(\“Global`*\”\)\“” [on hold]

"There are no symbols matching \"!(\"Global`*\")\"" what's the probleme with this error and how to solve it?
2
votes
0answers
28 views

Is “MaxMessageCount” broken or is its function counter-intuitive?

As noted by kguler the Front End option: MessageOptions -> "MaxMessageCount" does not appear to have any affect on the number of times a Message is repeated ...
3
votes
1answer
59 views

How to implement something like NMaximize[ NMinimize [ f(x,y) , {x} ], {y} ]?

Title says it all, really. I want to find some set of values for which a function of those values can't be made larger than a certain number, when some other values (on which that function is also ...
1
vote
1answer
93 views

How determine The most possibility probable with programming

i have a scatter chart of probable of happen some thing like below chart link of google chart i what determine the probable The most point in below chart , can use a mathematic method to determine ...

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