# All Questions

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### Improving strategy to solve this constrained root-finding problem

I am looking for roots of the function eqs defined below. It has $2k$ unknowns and returns a vector of $2k-1$ components. ...
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### Tips on finessing Reduce[] with inequalities

Reduce[] sometimes solves inequalities I give it, sometimes it doesn't. Is there some general principles I'm missing or some common pitfalls I'm falling into? For example, here is easy problem I ...
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### distribution for a random variable

In a lab with $2 n$ PCs, half of which operate with IP v4 and half with IP v6. A professor is interested in having all PCs with the same protocol open, so at first he starts opening each pc one by ...
27 views

### Displacement around the x axis, how to change a function location

While plotting a function I want to change the location of x. I am doing a regression with the logistic function ...
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### Feeding results of NDSolve into a Do Loop and repeating

I'm solving a coupled ode-pde system, and my plan is as follows: Define inik[s] and inic[s] Using this, solve the ode system ...
48 views

### Plotting singular integral

I need to plot the following singular double integration where $x>0$, $t=m=0.2$, and $f(y)= \exp(-(y-4.68)^2/0.4)$. Due to singularities, I cannot plot it. I checked the NIntegrate Integration ...
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### Plot3D PlotStyle V10.3 vs V7 [duplicate]

This is the from the the very good book of Hazrat He used Mathematica 7.0. In Mathematica 10.3 one gets ...
35 views

### Rotate the output of Plot3D

f[x_, y_] := Sin[x^2 + y^2] Exp[-x^2] + Cos[x^2 + y^2] g2 = Plot3D[f[x, y], {x, -2, 2}, {y, -2, 2}, PlotPoints -> 50, Axes -> False, Boxed -> False] ...
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### Solve involving simple cancellation on both sides fails when there are too many constants

I've been working with a number of equations of the form x = A * B * x ^ C where I need to solve for x--basically, equations ...
32 views

### Bifurcation Diagram of Chua Circuit

I am currently working on a Bifurcation Diagram for Chua's Circuit but I am having trouble coming up with code for a bifurcation of a system of equations. The following equations are given in the ...
61 views

### Iterations in Mathematica

this is probably a very easy question for all of you. I have a stochastic Mathematica code (not important what it's exactly) which gives me a number at the end. Now I want Mathematica to run this ...
39 views

### Wiggly and imprecise animated gif output

Trying to make animated gif of zooming into famous Ford circles. With the code ...
39 views

### Data fitted by two linear fits

can anybody help me please and tell me how to fit my set of points by two linear fits? It is always exactly two of them and are always linear and should cover all the data. The second line should ...
52 views

### generating randomly oriented non-intersecting cylinders

I could not find anything relevant with "googling" (only this) I can create a set of randomly oriented cylinders (code found here) ...
31 views

### Nonrectangular tensor encountered [on hold]

I am trying to solve a system of equations which characteristic matrix: ...
7 views

### Python to maple transferring data. And visa versa [migrated]

I'm inexperienced python user. So in python I generated a big equation, how I can transfer it to maple for solving, and after that transfer the roots of equations to python backwards?
31 views

### Mean squared displacement of a single trajectory

I have a single particle trajectory and would like to calculate the mean squared displacement. The particle is moving from blue over yellow, green to red data points. The {x,y} data are available ...
39 views

### How do you do a conformal transformation? [on hold]

I am attempting to solve an equation for a antenna project I am working on Here are the equations and values I am working with: ...
37 views

### How to make a maximum intensity projection of 3D data?

I am trying to make a maximum intensity projection of my 2D data, which has several intensity values in the third dimension and therefore makes the data 3D. So I want to take the maximum intensity of ...
17 views

### RunProcess not working on my Windows system

System: Windows 10 professional. Mathematica Version: 10.3.0 English. RunProcess doesn't work in my computer. I tried different examples given in the ...
30 views

### Why is the exponent in the analytical FourierTransform positive by default [on hold]

In the documentation of Mathematica the Fourier transform of a function is defined as the integral of that function times the typical exponential. In contrast to a positive exponent in Mathematica, ...
43 views

### Intersection of two cones

I want to plot a region difference between two cone, but the results seems to be very deformed.. ...
34 views

### Docked Cell that scrolls?

I use two finger movement on my trackpad for scrolling a notebook page up and down. Is it possible to make a docked cells that scrolls to the left and right using a two finger movement on the ...
35 views

### High-order functions and interactive objects

I have been developing Mathematica code to interpret LaTeX code, extract formulas and apply various Mathematica operations (e.g. Simplify, ...
88 views

### Take a specific part of a matrix imported from a .xls

i would like to know if there are any ways to link headings of a table i had imported with the data in the table itself. I imported a matrix from an excel file and i want to take a specific part of ...
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### Probleme with Ted Ersek's RootSearch package [duplicate]

The following question is a logical continuation of this one. The Ted Ersek's RootSearch package doesn't work with this code: ...
33 views

### Simple Integro-Differential eq in Mathematica [on hold]

I'm trying to solve simple integro-diff. eq. in Mathematica. I choose simple one (to start with): $\frac{dn(t,x)}{dt}=\int_{0}^{10} n(t,z) dz-1$ with $n(0,z)=e^{-z}$ To do so i define iterator ...
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### Cloud Mathematica error Ploting [on hold]

I have this code: po=18.5592; Plot[ 80/(1 + ((80 - po)/po)*E^(-0.5*t)),{t,1900,2015}] And this is supossed to be a logsitic equation but it isn´t ploting ...
92 views

### position with multidimensional array

I have this code: ...
268 views

### How to extract a region shape from an 2 colour image?

I'll start by saying that I don't know anything about image processing. I have an image and I need to extract its outermost shape for use in a WordCloud. The image ...
51 views

### Compiling Mathematica script in Latex [on hold]

I am writing a report in physics and I want to use a Mathematica script that produce something like a simulation. I want to know how I can add this code to my LaTeX file, so when I compile that LaTeX ...
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### Specify only one jump direction of LocatorPane

Considering LocatorPane: LocatorPane[pts,back,{{xmin,ymin},{xmax,ymax},{dx,dy}}] Is there any way to specify only the jumps ...
31 views

### ExampleData texts [on hold]

Im interested, what books, text are included the ExampleData, like Alice in Wonderland, The Raven... Is there any site, I can check all the text in mathematica? I tried for example Poe: The Black Cat, ...
49 views

### Multiple impacts (Bouncing of an object)

I could animate a 3 pendulum impacting a wall at x=0. I have use Event Locator[] Method for this and used Elastic Impact with the wall. I have pasted the pendulum Mathematica file for reference. Is ...