# All Questions

398 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 ...
97 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: ...
415 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): ...
146 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: ...
81 views

1k 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 ...
734 views

### Error changing Dataset using Part

bug present as of 10.0.2 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 ...
214 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: ...
792 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: ...
92 views

### How to make a function that can return the box with information?

In the version 10, a lot of functions returned a box with brief information which is very useful. For example: Interpolation[{1, 2, 3, 5, 8, 5}] So what's ...
63 views

### Keep batch-mode kernel alive

I made a small HTTP server using jlink that works when running with the frontend. Now I need to keep a stand-alone math kernel alive after all functions have evaluated for the server to stay up. All ...
35 views

### StringCases: return list of outputs for each of several patterns

According to the documentation, StringCases[{s1, s2, ...}, p] returns {StringCases[s1, p], StringCases[s2, p], ...} but, ...
2k views

### How to make use of Associations?

I have been curious about it for long. Now that Mathematica 10 arrives, I think it's time to ask the question: How the new Association data structure would be used ...
95 views

### How to combine different EventHandlers? [duplicate]

Here are two very nice programs I got from the nice guys here helping me to solve my questions. The first one can be used to change the positions of the vertices and to delete the unwanted edges of a ...
139 views

### How can estimate the PSF function to deblur an image of plate licence of a car

I want to deblur a blurred image of a plate licence of a car. I need to deblured it. I have used the ImageDeconvolve[] function and Sharpen but the problem is still difficult because I need to ...
711 views

### Replace interior of matrix with zeros

I have f.e. the following square matrix: ...
117 views

### Integral over geometric region [duplicate]

I'd like to calculate this integral $$\int_E y\ dydz$$ where $E = \{ (x,y,z) \in R^3 : z^2+6 < y^2 < 5z \}$ By hand i've got $\frac{1}{12}$ but i'm not sure, and i'd like to verify this ...
140 views

### How can I use NestWhileList instead of While in this case?

OK, the problem occurred when I challenged with Project Euler No. 10 The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million. My code is: ...
61 views

### How to use a scheduled event in a cloud notebook to read data files on a desktop

I don't know even how to attempt this, or if it's possible. I would like to be able to examine conditions, data, status of email server on my work desktop from the programming cloud. I recognize that ...
381 views

### How to estimate the matrix condition number in the 2-Norm?

The Mathematica documentation say it is possible to estimate the Matrix condition number in norm 1, 2, Infinity. But the 2-Norm raise a message. This is an extract from reference documentation ...
41 views

### Constrain Fit to make a fit that remains positive over the range of my independent variable

For example, say I have the following data. ...
99 views

### Coloring a set of polygons, each polygon to have a specific color

In addition to my previus post, regarding plotting the surface of a Möbius strip, I now realised, that some of the eigenmodes for a Möbius strip are either oscillations of a scalar field OR a vector ...
89 views

### Plotting multiple curves with multiple axes (>2) on the same plot

I'm attempting to generate a graph that depicts mulitple time series, measured in different units (but with a common time scale) on the same graph. This is a generalization of the familiar ...
94 views

### What is wrong with combining two programs with event handlers?

I can delete the unwanted nodes of a RandomGraph by double-clicking on them from the first program, and I can change the positions of the nodes by dragging them ...
58 views

### Enlarging a contour plot

I just started using Mathematica, and when I entered the following: ...
88 views

### Returning ancillary computation results from a function

Suppose I want to implement a function to solve a very basic Elliptic problem using Finite Element of some degree (It's just an example). Normally the user of my function is only interested to the ...
106 views

### Piecewise conditions with a parametric PDE

I'm using ParametricNDsolve to check best fit of a model (function Eb1) with some data, and I have four free parameters I want to test. I can easily construct a Parametric solution between the two ...
62 views

### FindFit is producing a list of imaginary numbers when there is non

I am trying to find the fit of an equation to some data and mathematica thinks there is a list of imaginary values. My data is all real positive number. ...
45 views

### Sort a multidimensional list row-wise [closed]

Suppose I have a multidimensional list as shown below: RandomInteger[{1,10},{3,7}] I obtain the results:  \left( \begin{array}{ccccccc} 3 & 8 ...
179 views

### LinearSolve failing to find solution to system of linear equations of 64 variables

I've got a 64x64 Matrix L for which I want to find the solution to the matrix equation L . x == rho. L is defined as ...