https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226089 I put
{TensorProduct[{1, 0}, {0, 1}, {0, 1}, {0, 1}, {0, 1}]}/Sqrt[2]//MatrixForm and I got $$ \left( \begin{array}{cc} \left( \begin{array}{cc} \left( \begin{array}{cc} 0 & 0 \\ 0 & 0 \\
asked by Moeki https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73815 12 votes
answered by Suba Thomas https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5998 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226334
Alright, so this is a question about the functional way to break a for/while loop. Since we’re on the Mathematica SE, I’m interested in the ways a Mathematica vet would handle this, however the ...
asked by dskeletov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34831 8 votes
answered by flinty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72682 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226171
I am working with hexadecimal bytes but need to shift them into lists of binary bits for a few operations and then back again. For example, I would like C12B to turn into ...
asked by toothandsticks https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73837 8 votes
answered by Hausdorff https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73380 9 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226128
V 12.1.1, starting a kernel, e.g. by entering wolframscript in the shell, takes an unexpectedly long time (~5 min, the time elapsed between pressing Enter and the showing-up of In[1] := ); but the ...
asked by https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12924 8 votes
answered by Ordinary users68 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42417 5 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226294
I have a list with all elements at the same level
{ {a, d}, {a, e}, {a, f}, {b, d}, {b, e}, {b, f}, {c, d}, {c, e}, {c, f}, {x, t}, {x, q} }
How can I transform this to a list of ...
asked by Martin Leung https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=73880 7 votes
answered by yarchik https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9469 4 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226316
Without any obvious reason Mathematica started to emit a beep after each evaluation, even when it is error free. Why is that, and how can I turn it off? I tried restarting Mathematica to no avail, and ...
asked by Jxx https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68480 6 votes
answered by Ordinary users68 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42417 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226327
A Prony series is similar to a Fourier series but can have fewer terms. It takes the form \(\sum _{i=1}^{M} A_i e^{\sigma _i t} \cos \left (\omega _i t+\phi _i\right )\) Note that unlike Fourier series ...
asked by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 6 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=4454
I’ve seen questions before such as "What is the best open-source equivalent for Mathematica?", but that specific question (and that line of inquiry in general) cares more about the computer algebra ...
asked by sblom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=178 121 votes
answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 83 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19546
Here is a simple building floor plan. I would like to derive the rooms as (rectangular) components and the names of the rooms. This is very common representation of building floor plans.
The ...
asked by s.s.o https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=840 63 votes
answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 58 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=5790
If we have two vectors, \(a\) and \(b\), how can I make Jacobian matrix automatically in Mathematica?
$$ a=\left( \begin{array}{c} x_1^3+2x_2^2 \\ 3x_1^4+7x_2 \end{array} \right);b=\left(
asked by George Mills https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1012 38 votes
answered by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=245 50 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=50718
When importing a data file what are the comment symbols for Mathematica? That is, given a file like this
blabla bulbul
1 2 6 54 7 ...
what symbol do I have to put in front of header lines so ...
asked by MaxJ https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14687 20 votes
answered by george2079 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2079 18 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=180
Say I have a list x=2,4,6,8,10 and I want to find out the positions of the elements that are greater than 7.
Select[x, #>7&] gives the elements themselves, and Position[x,8] gives the ...
asked by PeterR https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=140 65 votes
answered by J. M.’s technical difficulties https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=50 62 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3345
How to effectively create a polygon that looks like a realistic inkblot? So far, I could come up with this (borrowing from Ed Pegg Jr.’s Rorschach demonstration):
RandomBlot[num_, opts___] := ...
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 86 votes
answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 51 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=39361
’Tis the season... And it’s about time I posed my first question on Mathematica Stack Exchange. So, here’s an holiday quest for you Graphics (and P-Chem?) gurus.
What is your best code for generating ...
asked by Peltio https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=6745 140 votes
answered by Silvia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=17 181 votes
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226081
I am trying to fill a vector starting from component 11 from another vector, I use this code:
Do[AppendTo[xp, x[[i + 10]]], {i, 1, 99982}]
How can I fill xp without using ‘AppendTo’?
asked by mattiav27 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8822 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226231
I am trying to solve a cubic equation using Mathematica of a rather complicated expression say \(f(r,\beta ,\theta )\) , and in terms of \(r\) the maximum degree term that appears is of degree \(3\) so I ...
asked by Wubba lubba dub dub https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70072 1 vote
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=226130
I know how to use Select to generate a list of numbers which satisfy a certain condition. However, I am not sure how to do this for points (specifically 2-tuples) rather than numbers. What I am trying ...
asked by Descartes Before the Horse https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69355 1 vote