All Questions

so I have the following code: ...

I am trying to do the following: Create a list as Table[Subscript[\[Beta], i] _, {i, 1, dim}] And then use this list to define a function: ...

I am new to Mathematica, now I have an expression Implicit\[Omega]Zero with some parameters $\lambda1,\mu rr,\theta s,b0,a,b1,\omega$ Now I want to find the $\omega(...

Been doing a school project, where I am asked to simulate a roulette wheel with 18 Red tiles, 18 Black tiles and 2 Green tiles. The individual in the scenario bets $n on 'Red'. If the wheel lands on ...

Can you help solve this: ...

I’d like to generate a random vector space, to practice applying certain theorems to it and seeing them concretely. How can I generate a random vector space?

I've been tempted to use Mathematica to create some artistic musical animations. That is, if I have a music file, I want to be able to edit, for example, its waveform animation. For example, get ...

Here is the plot I want to do: ContourPlot[3 Abs[x] y (y^2/x^2 - 1/3) - 2/(Abs[x] y) == 3 Sqrt[1 - y^2/x^2], {x, -20, 20}, {y/x, 1/Sqrt[3], 1}] However when I ...

Is it possible to plot an asymptotic bode plot. I am interested in verifying my straight line bode plot approximations done by hand by using mathematica but the bodeplot function generates the curved ...

There is a similar post: How to specify the domain of a variable?, but it doesn't work well for me. I want to evaluate the integral below, with a parameter $\gamma$. The result is obviously different ...

As I was helping an OP with a question involving Vietnamese currency, I didn't realize at the time that the currency amount was not being interpreted accurately (or so I think now). Apparently, the ...

1.3 A simple harmonic oscillator consists of a mass m and a spring with stiffness constant k. It moves in one dimension x(t) with velocity v(t) where x(t) = A cos(wt + φ) and v(t) = -x(t) = −wA sin(wt ...

Please tell me What is the right command for needs Vector Analysis in 11.3. The Vector Statements are not working

For positive integer k, for any c>0, does there exist k_0>0 that depends on c, such that:

I have obtained the following plot from a NIntegrate as you can see, some points are not well-defined (between 0.01 and 0.02) and have produced anomalies in the ...

I have extracted the following code from my legends plots because I need them individually ...

I wanna just say that DL is the tangential vector at every point, but I'm not sure. Any help is greatly appreciated.

It says Part 1 of {} does not exist when I try to plot the vector fields of this piecewise function. ...

One of the handy things about TemplateBox is that it can be used to define an alias for a more "natural symbol" (by having an empty list first argument ...

How to solve the following integral equation in Mathematica? eqn = y[x, z] == z + x*Integrate[y[t, v], {t, 0, 1}, {v, 0, 1}] sol = DSolveValue[eqn, y[x, z], {x, z}] ...

I'm trying to use mathematics inside latex. Just as it is done with sagetex. I have the suspicion that it cannot be done since mathematica is not open source, but hope is the last thing that I'm lost. ...

I have code to plot the zero contour of a function. This function is symmetric about the x=0 axis, but I only want to display it in the first quadrant. Additionally, I currently set up the axes as a ...

I just updated to Mathematica 12.3.1. Whenever I use the double square brackets used to specify Part, Mathematica now auto-formats them. While the readability is nice, when I go to edit the code, I ...

I have some plots as images. I import them in a notebook and arrange them using GraphicGrid as follows Now I want to label each one in the empty space of the plots,...

I have a number of ODEs (58) with 16 parameters and 9 variables. I want to solve the ODEs to obtain the analytical relationship between the parameters and variables. It is obviously that the ODEs ...

Consider the following code, which give a Manipulate object that returns the "total" of a certain variable var 1 ...

I would like to analyse the system of differential equations $\begin{equation} \begin{split} \partial_tf_0(\mathbf{r},t)&=f(\partial^2_{\mathbf{r}\mathbf{r}}f_0,\partial_{\mathbf{r}}f_0,\partial_{\...

I am executing scripts on command line (cli) using wolfram -script code.m. However I couldn't find a solution that can print data in a grid like or fixed-width ...

I tried to integrate a function using LocalAdaptive method. However, if I add Exclusions option in addition to ...

I'm not in prog major. This course is needed as an elective for another major. Thus any help is appreciated. DataA and DataB ...

Here is a pdf I am trying to import: https://i.stack.imgur.com/J2e0z.png Its a photo so that I can upload it here easily. I am trying to extract the formulas from this pdf but to no avail. Plaintext ...

I am trying to get a number from a plaintext with the staring sign of "Nho xanh không hạt" and ending sign of "đ" automatically with different method but it doesn't work. In detail,...

Is there a way I can combine a BubbleChart with a MatrixPlot? I already plotted a MatrixPlot ...

And I want this plot to be discrete into 100 equal rectangulars which topmid of them have a line joined together. Something like this, but for the mentioned equation:

Preamble So far I am using Wolfram Workbench (i.e., a plugin to the Eclipse IDE) to develop packages collecting often used Wolfram Language functionality. For some time now, the way to go about ...

I would like to attempt to calculate the laplacian operator using index notation and shoow that it gives the usually expected laplacian in spherical coordinates. I am able to do most of the steps ...

Consider: expr = -(((s β - γ - ν) (s (β - γ) - i γ - ν))/(s β)); I tried: 1) ...

I'm looking for a quick way to do this. Define an integer $M$. Function $f[M]$ will output a list of all ordered selections of integers from $1$ to $M$ without repetition. For example: $f[1] = \{\{1\}\...

I'm very new to mathematica and I can't figure out this extremely simple thing that I see even in my Multivariable Calculus textbook. Basically I want to take the two plots below, one of a cylinder ...

I want to know how I can solve this equation in Mathematica I guess I missed something!! DSolve[ {a (h[a])^2 h'[a] +(nh[a]/ a^2) + m(h[a])^3 - l (h[a])^2 - t == 0}, h, a] h[a] is my function and n,m,l,...

I'm trying some multidimensional Chebyshev fits. First, define a wrapper to prevent premature symbolic evaluation (I don't want a power series result): ...

If I input a giant matrix in Mathematica, and it is contained in a cell, is there a way to contract it so that it uses up significantly less space in the notebook?

I'm trying to save a recording using AudioRecord. My recording gets overwritten even if I save the output in a fresh cell. This illustrates the issue: ...

I want to numerically calculate a sum with multiple variables and then integrate the whole expression. Any solutions to speed up the process? ...

How can I plot functions like this $$f_{2^n+j}(x)=\begin{cases}0, x\in [\frac{j}{2^n},\frac{j+1}{2^n}]\\1, x\in x<\frac{j}{2^n} \text{ or } x>\frac{j+1}{2^n}\end{cases}$$? I tried something like ...

I want to tridagonalize a sparse matrix using the Lanczos algorithm. I am working with a very large sparse matrix and I need some speed. In the following for example ...

I converted the text image using Rotate and Translate functions. ...

I am trying to figure out why Mathematica is telling me a formula for the exponential integral doesn't converge, even though it gives me the very same integral by means of the function ExpIntegralE ...

I have in a notebook: my_val = 10 my_val^2 but this returns $\text{my_val}^2$ instead of $100$. Why doesnt it return 100? More confusingly, if I try: ...

A minimal example is given below. My goal is that given a algebraic expression such as: expr = a^2 + a b + a^3 b + 2 a^2 b^2 + a b^3 I'm trying to find a command, ...