# Questions tagged [education]

Questions about the use of Mathematica/WL in education and/or about teaching Mathematica, or learning it.

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### General solution of a differential equation

I'm a beginner in Mathematica and I'm learning about dealing with differential equations but I'm stuck in this problem What I tried to do is I observed that I have the same differential operator ...
50 views

### Find radius of convergence for two series product [closed]

I have a equation like this: (u + v + w + 2 u w + 2 v w + 2u v + 3u v w)/[1 - (v w + uv + uw + 2 u v w)] ...
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### How to create a time-limited notebook for take-home exams?

I teach a physical sciences class using WL/Mathematica. The students do homeworks where they develop code and create simulations and visualizations that focus on physical phenomena. All that works ...
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### I need help in complements of subsets

I have two subsets and tried this expression with MapThread: ...
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### How we can solve equation by putting values from given equations to any other equation?

Action Equation ...
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### How to solve this Third Order PDE using NDSolve; Showing some missing variable error

I just confuse why ***u[0,t]==Sin[\omega t] cannot be used as a variable error was showing ...
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### What is curl of curl of displacement in spherical coordinate system?

-1 I want to know what is the expression for curl of curl of u([rho],[Phi],[Theta]) (displacement) in spherical coordinate system. Assume it is 3D. So I wanted t calculate it by Mathematica but I'm ...
953 views

### How to Create Kapitza's Pendulum?

Hi, I have never worked on a project of this kind before. I am having difficulty using Kapitza's Pendulum (inverted pendulum with moving vertical base). It is hard for me to make the model equations, ...
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1 vote
191 views

### Recommend Mathematica Book

I've been using Mathematica for a few years now, but at a fairly formal level, more for creating graphs in calculus as a student. However, as a graduate student, I would like to focus on ordinary ...
204 views

### Parentheses control

I have an equation with random integer coefficients. The structure is to demonstrate the distributive property. ...
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### How do I build a module that takes in graph data? [duplicate]

This is a homework problem I'm really struggling with. I'm supposed to program the shortest path problem in Mathematica. There are 100 nodes, each node has corresponding distances to 2-3 more nodes. ...
68 views

### How to use the nontrivial zeros to fit the PrimePi?

As this answer, I make a gif in follow: ...
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### FindIsomers produces disconnected fragments

I was playing around with FindIsomers and got this strange result, FindIsomers[Molecule["butane"]] output This seems unexpected in the sense that you ...
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### Error : Array {-6, 2} has the wrong dimensions for a graphics coordinate list [closed]

I'm trying to plot two lines and the point of intersection between them, and I got this error : ...
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### What is a good book to learn mathematics with Mathematica? [duplicate]

I'd like to review first-year college math, and above, while learning Mathematica alongside it. All the books I've looked at that claim to teach some version of math with Mathematica go though two or ...
98 views

### How to change the manipulation of the point Q to a Locator?

I want to control the point Q by a Locator not with Slider, how to make this work? ...
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### Location to post Mathematica resources

I compiled a set of notes that I will keep updating. Is there a dedicated site where tutorials/explanatory notes can be shared to help other users?
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### Does the Wolfram Cloud permit real-time Collaboration?

I am curious if anyone has found a workaround or directly built-in method to work collaboratively with colleagues? Something analogous to the google productivity apps like google docs where different ...
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### Visualizing order of operations

TreeForm[HoldForm[ (9-2^2+10 8)/9]] produces this: Is there a way to use Divide instead of ...
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1 vote
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### Export and save multiple images with a single command

I want to save multiple images, each with an appropriately assigned name, in my working directory. The images show inverse trigonometric function plots listed below: ...
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1 vote
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### Please I need help to define a function of two variables (t,x)!

Let's define the following function: f[t_, x_] = t^2 + t*x*(1 - x) such that $x \in (0,1)$ and `$t \in (0,0.02)$ The problem is when I want to define the following ...
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### How to add doodles and sketches in a mandala

i discovered mathematica yesterday; and i've been playing with RandomMandala since. i also saw this question; and i really liked the second answer; but i like the ...
245 views

1 vote
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### Minors of a symbolic matrix [duplicate]

I'm trying to get the minors of a symbolic matrix, but it doesn't work (I'd like to use the first command below to create the matrix, not other commands). Can you tell me why and how to fix it? ...
1 vote
125 views

### How to study Mathematica as a newbie?

I am a somehow experienced programmer in MATLAB and Python. I was wondering if anyone can help me with instructions and useful resources to learn Mathematica as fast as I can. What are the best ...
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### Anti-cheating elements in a Mathematica notebook

Is there a way to check if two notebook files have the same source or they were shared by two users. I send pre-filled notebooks to my students to get into Wolfram Mathematica. However is very easy ...
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### I have this array from Matlab. I couldn't create a matrix like it using mathematica. I need help please [closed]

N=1000; v0=1; v=v0.*ones(1,N+1); % first well for i=341:460 v(i)=0; end % second well for i=540:659 v(i)=0; end
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### Non linear first DE with lot of parts

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,...
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1 vote
124 views

### Inverse image of a subset of the codomain of a function

I'm wondering if it's possible to evaluate the inverse image of a subset of the codomain of a function in Mathematica. For example, if I consider $f(x) = x^2: \mathbb{R} \rightarrow \mathbb{R}$ (for ...
1k views

### Best suited Wolfram tool for a high school student

My daughter is a high school student and she likes science. In a couple of years she will go to university. I had a look at the Wolfram products (I used myself Mathematica when I was young) but I was ...
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1 vote
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### Making Standalone executable out of any mathematica program

Is it possible to make an executable file out of any mathematica program so that It can be run on any windows computer not having the mathematica. In case of FORTRAN (on windows), it is possible to do ...
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1 vote
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### Mathematica help with NIntegrate

I am fairly new to mathematica and I'm trying to generate an SIS s-wave IV plot using the formulae in the attached image. Could I get some help in fixing the issue?
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### HatchFilling in Mathemathica fills the entire are under curve

The Hatchfilling command is failing for me, i want to fill the area under the curve with vertical lines. If any suggestions plz do share. Thankyou.
515 views

### Can anyone provide a Roadmap to learn Wolfram Mathematica

I know someone who finished masters in mathematics but literally knows nothing about how to use computers, now he wants to learn how to apply all of the math he knows using computers so I'm doing the ...
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### How to use Mathematica with hardly any financial resources

I'm a student from Afghanistan and I like to use Mathematica to experiment with as a hobby. But I cannot afford it. Does any one know of a free option?
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### Graph color conjuction mathematica

In the image, I split the graph of h[x] into 4 different graphs that show h[x] in different intervals with different colors. Is there anyway to show the entire function in one graph but have the ...
1 vote
205 views

### Concavity of trig function [closed]

The original function is:x^2-4x+7cos(x) I attempted to find concavity on the interval [-4,4]using mathematica but i'm not quite ...
1 vote
701 views

### function intervals of increase and decrease on trig function

Im having a hard time finding the intervals where the function: f[x_] := x^2 - 4x + 7 Cos[x] is increasing and decreasing using mathematica. I tried using ...
399 views

### Can't change color of graph in Mathematica Manipulate plot [closed]

I want to color code my functions with the Plotstyle command shown in the image but it doesn't allow it. Is there any possible way to change the colors? I need to know which graph corresponds to which ...
58 views

### Find the eigenvalues for 3 equations after variable separation

I have to find the eigenvalues for three functions obtained with variable separation method. The functions result from the following expression: I tried with the following code: ...
1 vote
38 views

### Mathematica empty plot [closed]

Function: F[t_] := 0.78540 - 0.63662 cos (2 t) - 0.07074 cos (6 t) - 0.02546 cos (10 t) - 0.01299 cos (14 t) Plot command: ...