Top new questions this week:
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Edna Andrade
Edna Andrade (1917-2008) is now recognized as an early leader in the Op Art movement. She lived and worked in Philadelphia for the majority of her career after first moving to the city ...
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I wish to do finite element calculations of a steel structure supported on rubber blocks. As a warm up problem I make an all steel structure as follows.
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I liked to define a function argument type representing a tree with only nodes: 0,1. Every subtree is defined as a list like this:
{node,{subtree1},{subtree2},...}
The definition is recursive. The ...
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I am trying a simple example to do a discrete Fourier transform. My goal is to use DFT to find the frequencies that have built the time signal and then to a good approximation, use DFT data to find ...
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I want to sort the arguments of a function f while multiplying with the signature of the permutation, i.e. f is totally antisymmetric function. My idea was something like
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Here are some examples of what I am talking about using Voronoi for simplicity:
Given:
That can be colored depending on which cell is randomly chosen:
I feel like there would be a better name for ...
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The question is:
If the tangent line to the curve $y=e^x+x$ at point $(0,1)$ is also a tangent line to the curve $y=\ln(x+1)+a$, then $a=$ _______
My method is like this, very cumbersome.
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Greatest hits from previous weeks:
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Following is the equation:
Need to solve for integer values of x,y when a,b lies between -1000 and 1000.
Problem is to find the number of integer values of pair (x,y) that satisfy it.
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I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
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I'm aware that I can use (* ... *) to comment out stuff in a notebook. Many languages have a syntax for single-line comments, such as
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At the moment I am trying to construct a bifurcation diagram of the iterative function $f(x)=$ $ax-1.1975x^3$. I've scoured the internet for pre-made bifurcation diagrams and found many (mostly of the ...
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I'd like to plot the graph of the direction field for a differential equation, to get a feel for it. I'm a novice, right now, when it comes to plotting in Mathematica, so I'm hoping that someone can ...
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https://blog.stephenwolfram.com/2019/05/launching-today-free-wolfram-engine-for-developers/
http://www.wolfram.com/engine/
The Free Wolfram Engine for Developers is available for pre-production ...
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I want to plot the following function:
$$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
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Can you answer these questions?
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Help me plan my holiday. These are all my available flights that I can get on airline points. I'm trying to work out what is the shortest distance to travel if I want to go to each every European ...
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I am trying to understand why wrapping TimeConstrained[] around optimization, e.g., MinValue[] can sometimes fail.
To reproduce ...
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I have implemented some p-q analogue functions in Mathematica.
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