# Questions tagged [mathematica-online]

For questions specific to the Wolfram product Mathematica Online.

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### Run the same calculation with function call and notebook, got different results

I am runing QMRITools' Dixontools from https://www.qmritools.com/tool/dixontools/ . And I tried to figure out some middle output inside the function DixonReconstruct...
357 views

### An integral using Mathematica or otherwise

Consider the unit square integral $$I=\int_{(0,1)^5}\frac{x(1-x)y(1-y)u(1-u)v(1-v)w(1-w)}{(1-(1-xyuv)w)^2}\ dxdydudvdw$$ Using Mathematica or otherwise I need a closed form of I, possibly in terms of ...
• 271
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### How to compile a tools based on WL to C/C++

I am a new comer to learn WL. I tried to compile a tool named qmritools into c code version. After searching for some methods like ...
258 views

### Closed form of an integral using Mathematica or otherwise

Define $$I=-\int_0^1\int_0^1 \frac{x^2(1-x)y^2(1-y)(2(1-xy)+(1+xy)\log(xy))^3}{(1-xy)^7}\ dxdy$$ Now using Wolfram Alpha $I\approx 0.00133186$. Using Mathematica or otherwise, I need to find a ...
• 271
77 views

### I want to represent the function based on specific variables in Mathematica

I have a function call S11 and I want the formula simplified with variables: Q, k, wn. But I new with Mathematica, don't know how to do it. And I can't find the function doing this. Please help me ...
1 vote
54 views

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1 vote
56 views

### Plot the graph with two best response functions, Mathematica

I have another doubt regarding Mathematica. This is probably another question that can be easily answered, but since I'm a beginner it's a while that I'm stuck. Since I'm using Mathematica online, the ...
136 views

### Is it worth learning Mathematica if I want to choose my career in Cloud Computing? [closed]

currently doing my Masters in Computer Engineering. Is it worth learning Mathematica as I am thinking of pursuing my career in the field of Cloud Computing?. If yes, I really appreciate any good ...
83 views

### Table generation with random variates inside. Mathematica [closed]

I'm new on this forum, and I'm also a new user of the software Mathematica. For this reason, I'm sorry if my question will be unclear and / or dumb. I have to make a numerical simulation with random ...
30 views

### How to export raw data into a text file as columns?

I have used NDSolve to find the solution of sixteen coupled first order differential equations. It takes a lot of time to process, and I want to import this data into python for plots.
182 views

### How do I create cobweb iterations or stair steps **WITH ARROWS** to show attractive and repulsive fixed points for a graph? [closed]

I'm new to Mathematica, so I would appreciate any help. How do I create cobweb iterations or stair steps WITH ARROWS to show attractive and repulsive fixed points for this graph? I want it to look ...
• 43
128 views

### How to plot an iterative function of y(n+1) against y(n) in order to analyze the convergence of real power towers? [closed]

I'm new to mathematica and was wondering how to plot an iterative graph for power towers. If there is a power tower y= x^x^x^x^x^x^... we can rewrite it as an iterative equation in the following way: ...
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1 vote