All Questions

I have the following list: ...

I'm trying to plot a solution for a 3-body problem i got using NDSolve, but for some reason y axis is shaking during the demonstration. How do i get rid of it? ...

I looked through the forum but none of what I've found is helping. I have a problem with Graphics ...

Here is my code: Trace[Module[{x}, x = 1; x = 2; x = 3; j = 6; j = 7], x = _, MatchLocalNames -> True] {} I want to ...

I have a function f(A,B,C) where for specific A and B values I can use Reduce to determine ...

QUESTION 1 (G • S) → D (S → D) → P G / P QUESTION 2 A → ~B ~ (C • ~A) / C → ~B QUESTION 3 (Q → R) • (...

Can some one explain the logic and calculations in deriving the distance/depth(z) value in the attached research paper. Kindly make your explanation elaborate for me to understand clearly as i was not ...

I would like to evaluate/simplify a series of expressions. The first set of expressions works fine, but when I try to evaluate the second line of my code (a very simple expression), the program keeps ...

I came across this problem in calculus. It makes a handwavy sense with the explanation provided. I have tried to prove it in MMA: ...

I have the following code: ...

I have got different files with the result of an experiment varying 2 variables. The files are in this link. Each file has 3 columns of data: the first column is the same for all the rows of the file ...

I'm looking to solve a 2 body system consisting of the Earth and a body of mass in orbit. I'm using the Verlet method to numerically integrate Newton's equation of motion in order to plot an ...

I'm dealing with a problem requires a precision of 50 digitals after the decimal point. However, I got the following value when doing so: I don't know what's going on here, ain't it 0.09 with other ...

I have the following piece of code that plots a colormap by zipcode. Zips is an array of zip codes (All in the US mainland) and testscore is just some made up data for testing purposes. The list of ...

I wrote a module in Mathematica which finds all possible pairs of integers from a specified list of integers (which can be negative, zero, or positive) which sum to a specified integer m. The only ...

I have a complicated and large tensor what can be shown in the simplest form as follows How can I export it in this form?

I have a code: ...

Let's consider Omega= [0, x_max]*[0, y_max]*[0, z_max] the domain in which some particles move. I have a question about the update of the particles locations if ...

In converting a number of old notebooks into a format for e-readers, Mathematica has some issues with vector formats. SVG export would have been ideal to use, but the exporter fails to recognize, for ...

I am trying to solve an integral equation as posted below. The result shows just the equation.. without solving it. I am wondering how you write a script to get a right, clear answer. If it were to ...

Does anyone of you know how to specify the simulation when a deformable body is affected by contact with some rigid body? I think it should be possible, but I am unable to find it in the manual.

Given the three points (x1,y1), (x2,y2),(x3,y3) find a,b,and R for the circle (x-a)^2 +(y - b)^2 =R that passes through them. Notice that the solutions have the same denominator or its square. What ...

I know the exact solution of the principal value of this integral is equal to zero: $\int_{-1}^{1}\int_{-1}^{1}\frac{x^2}{\sqrt{1-x^2}}\frac{\sqrt{1-y^2}}{y-x}dydx=0$ doing: ...

I am getting output as (-T1**T2**T3)**T4**T5 How to get rid of the brackets that are appearing in the output? I want my output as ...

In my previous question we have discussed the posibility of various definition of convolution of power function within Mathematica. Now the question is "How to define convolution power in Mathematica ?...

$[(a+k_i)^2+(b+k_j)^2]X_{i,j}-\sum_{m,n}V_{m,n}X_{i-m,j-n}=\mu X_{i,j}$. where $-N\le i,j\le N$ Here we can set $ N=10,a =1, b=1$ and $V_{m,n}$ is the matrix element of $V$. Once I write the ...

I'm looking for a general method of packing any set of 2D glyphs. For example, say I had 30 randomly transformed english characters: ...

Building off of a related question, I'm looking for a robust way of using Callouts for multiple locations in Geography. For example, I want to plot cities and their ...

I need to calculate the surface area of an oblate spheroid. My first step is to get the surface equation from Free-Form input. But I have trouble converting to a WM function and replace the focus ...

How can I change the format of the cell, which is currently being evaluated?

In Mathematica, InputFields and Sliders that are connected to Dynamics will change their ...

There is only one NetModel for speech recognition. As is stated in the network repository, models trained with CTC loss have difficulties in producing correct spelling: ...

In a simpler first case I plotted reasonably spaced (stability) contours by selecting a sequence of k values, ...

This is an example of procedural programming borrowed from Paul Wellin's book. It's a simple implementation of the Newton-Rhapson method. I overloaded the findRoot ...

I am using Mathematica 11.3 on a Windows 10 computer. I plotted several data sets of mine in a ListLinePlot. While the .pdf file looks perfectly in the current Adobe Acrobat Reader DC version 2019.010....

I'm using version 11.3 Expand[(Sqrt[2] - t)^2] 2 - 2 Sqrt[2] t + t^2, but ...

How does one color the interior of the elongated circular region in the following figure: ContourPlot[y^2 - x (x - 1)(x - 3) == 0, {x, -2, 7}, {y, -4, 3}]

I've been trying to minimize this: ...

For a finite difference method code, I after altered it a bit for my needs. I am no longer getting errors, however I am not getting my graph to show. ...

I've written some code that's been getting longer and longer, Is there a way to "hide" the section of the code that does not require input so that i can just give it my two inputs and jump straight to ...

I have a list of elements called q and wish to compute Total Multiplicity of each element, and put these values in the list tm. ...

I'm solving a system of 3 non-linear equations with FindRoot for the variables x, y and <...

My question has been asked before by other members, however, I didn't find the answer to their question helpful in my case. I'm doing a simple numerical integral with real numbers in mathematica, but ...

Given a variable $y_i$, normally distributed with 0 mean and $σ_y$ standard deviation $y_i$ ~ NormalDistribution[0,$σ_y$ ] I want to obtain with Mathematica: The distribution of: $x = \bar{y} = \...

How can I draw a complete graph on $N$ vertices, such that the vertices are placed randomly on the plane?

This is a piece of my Mathematica network assignment, I am really stuck on these. Write a command that generates a random network with n nodes that satisfies the requirements of the Erdős-Rényi ...

This question is motivated by this question and its answers. Firstly, I wish to display "O(x)" instead of "x" as the callout labels. When I do this ...

I try to integrate a function with Mathematica. When I Plot this Function, I can see that the hole graph is in the positive regim of the y-axis. When I integrate the Function numerically with ...

I have the following function ...

I want to have two different type of newline so I can print a string which looks like it has multiple newlines but gives me a way to differentiate between them. I want to have string with newlines in ...