Questions tagged [education]

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

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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 ...
Craig Carter's user avatar
  • 4,250
4 votes
3 answers
139 views

I need help in complements of subsets

I have two subsets and tried this expression with MapThread: ...
Alyasaa Jasim's user avatar
0 votes
1 answer
52 views

How we can solve equation by putting values from given equations to any other equation?

Action Equation ...
Rishabh sharma's user avatar
0 votes
0 answers
44 views

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 ...
FDMEM's user avatar
  • 19
2 votes
2 answers
187 views

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 ...
Ali Taher's user avatar
13 votes
2 answers
905 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, ...
Tetrasreal's user avatar
1 vote
0 answers
172 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 ...
Athanasios Paraskevopoulos's user avatar
0 votes
2 answers
161 views

Parentheses control

I have an equation with random integer coefficients. The structure is to demonstrate the distributive property. ...
JEM's user avatar
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0 votes
0 answers
44 views

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. ...
FlashWayneArrow's user avatar
0 votes
1 answer
67 views

How to use the nontrivial zeros to fit the PrimePi?

As this answer, I make a gif in follow: ...
yode's user avatar
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5 votes
1 answer
92 views

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 ...
bhopshang's user avatar
  • 739
0 votes
1 answer
169 views

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 : ...
Tt Tt's user avatar
  • 339
3 votes
0 answers
98 views

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 ...
cybervigilante's user avatar
3 votes
2 answers
97 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? ...
Tt Tt's user avatar
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5 votes
0 answers
98 views

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?
ExpressionCoder's user avatar
2 votes
0 answers
92 views

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 ...
JEM's user avatar
  • 1,165
2 votes
1 answer
85 views

Visualizing order of operations

TreeForm[HoldForm[ (9-2^2+10 8)/9]] produces this: Is there a way to use Divide instead of ...
Geremia's user avatar
  • 478
1 vote
1 answer
108 views

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: ...
DuK's user avatar
  • 111
1 vote
2 answers
101 views

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 ...
walid fssm's user avatar
4 votes
1 answer
197 views

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 ...
oussama ghrib's user avatar
2 votes
3 answers
239 views

Change of variables of a random variable

I'm looking for a way to perform the change of variable of a random variable. In particular, I've a random variable $X$ with probability density function: $$ f_X(x) = \begin{cases} a \, e^X \quad &...
Gennaro Arguzzi's user avatar
2 votes
1 answer
87 views

Functions composition - Unreadable result [closed]

I tried to evaluate the following composite function: ...
Gennaro Arguzzi's user avatar
0 votes
1 answer
69 views

Using the symbol of the system of equations [duplicate]

Part 1 I'd like to know how to use the symbol of system of equations (left curly braces). I tried the following code: Part 2 How can I add a third equation?
Gennaro Arguzzi's user avatar
1 vote
1 answer
928 views

Symbol of system of equations

I'm wondering if there is a way to use the symbol (the left curly bracket) of a system of equations. So far I found only the following "symbol": I need to remove the two conditions. EDIT2: ...
Gennaro Arguzzi's user avatar
3 votes
3 answers
284 views

Finding all partitions (2 elements per subset) of a set composed of an even number of elements

I'd like to find all the partitions (each subset of a partition should contain 2 elements) of a set composed by an even number of elements. For example, given $A=\lbrace 1,2,3,4,5,6 \rbrace$, I'd like ...
Gennaro Arguzzi's user avatar
0 votes
1 answer
100 views

Adding Assumptions in double integral written in "math input" mode

I've the following double integral and I'd like to write Assumptions->Re[c]>0, but if I try to do it, I get a syntax error. How can I add the above condition but without changing the ...
Gennaro Arguzzi's user avatar
2 votes
2 answers
102 views

Verifying probabilities equality by imposing conditions

I'd like to verify the following equality in Mathematica: $$ P(Z_1+Z_2=2,Z_1=1,Z_2=1)=P(Z_1=1,Z_2=1) $$ by knowing that $Z_1,Z_2 \in \lbrace 1,2,3,4 \rbrace$ are two independent and uniform random ...
Gennaro Arguzzi's user avatar
1 vote
1 answer
277 views

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? ...
Gennaro Arguzzi's user avatar
1 vote
0 answers
116 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 ...
cool's user avatar
  • 23
13 votes
2 answers
1k views

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 ...
Or1on's user avatar
  • 133
-3 votes
1 answer
87 views

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
Mohammed Omran's user avatar
0 votes
0 answers
86 views

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,...
Mathecis's user avatar
  • 153
1 vote
0 answers
113 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 ...
Gennaro Arguzzi's user avatar
14 votes
4 answers
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 ...
G. Lari's user avatar
  • 243
1 vote
0 answers
345 views

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 ...
quanta's user avatar
  • 942
1 vote
1 answer
56 views

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?
juzu42's user avatar
  • 11
1 vote
2 answers
210 views

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.
Syed Shahmir Kazmi's user avatar
0 votes
1 answer
462 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 ...
AliReda-M's user avatar
  • 101
4 votes
1 answer
715 views

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?
Ashkan's user avatar
  • 91
4 votes
3 answers
183 views

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 ...
Allan Rogers's user avatar
1 vote
1 answer
189 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 ...
Allan Rogers's user avatar
1 vote
1 answer
613 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 ...
Allan Rogers's user avatar
0 votes
1 answer
318 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 ...
Allan Rogers's user avatar
0 votes
0 answers
53 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: ...
Roberta Mongillo's user avatar
1 vote
0 answers
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: ...
Allan Rogers's user avatar
0 votes
1 answer
94 views

How to solve this wave EDP with Mathemamatica ? What is the best solver for this?

Help me please to understand how to solve many EDP with Mathematica. ...
anthony villacis's user avatar
4 votes
1 answer
334 views

How to convert a Piecewise function in a HeavisideTheta function?

I want to convert a Piecewise function in a HeavisideTheta function in order to correctly evaluate its derivatives at the point of abrupt change and then integrate the result along the axis. How can I ...
Adam Reis's user avatar
2 votes
1 answer
323 views

Why Mathematica is not producing output and taking too much time

I'm trying to solve the given system of ODES but the Mathematica is taking too much time and not producing any output. I was trying to check the error by evaluating one one command but there was no ...
MMS's user avatar
  • 87
5 votes
1 answer
568 views

RSA encryption/decryption with signed message

I was going through a book with some tasks that you can work with mathematica on, and I found this particular task interesting: Proffesor Alice has sent an assignment to Bob, one of her students. To ...
Vetenskap's user avatar
  • 199
0 votes
1 answer
152 views

How to use wolfram engine with mBlock

Has anyone tried to make wolfram engine work with mBlock user interface? I thought I saw a webpage once but can’t find it again.
boobami's user avatar
  • 93