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Questions tagged [order]

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10
votes
4answers
612 views

ListPlot join points by nearest neighbor rather than order

I have found some software that allows me to "data mine" the values from publication figures. I have a bunch of contours from papers that I've mined using this software, and am having some trouble ...
3
votes
1answer
119 views

Symbol Order for Built-in Functions such as TrigReduce

I’d like to use the TrigReduce function on a sum of n sinusoids to any power, and am running into an issue with Mathematica’s default ordering of symbols. Is there a way that I can specify an order ...
2
votes
1answer
525 views

What is “standard” or “canonical” order? [duplicate]

When trying to sort a list of fractions and quadratic numbers I'm trying to work out why sort orders the quadratics after the fractions. It seems to use the function "OrderedQ" and "standard order" or ...
7
votes
1answer
124 views

Cross product without reordering (noncommutative)

Not related to question I assume this question (as it is of very general structure) might have been asked before, unfortunately I did not find an answer to it - despite what I used as search queries. ...
4
votes
2answers
104 views

Cyclically Flat Functions

Any idea how to define some operator ° such that e.g. $((a°b)°c)°d=a°(b°(c°d))=a°b°c°d=b°c°d°a$ (but $a°b\neq{b°a}$ in general)? So ° is Flat plus (insert here)?
0
votes
1answer
84 views

how to order a parameter by power?

for example, y=a x^2+ a(b x^2)+c^3 x^2+z^2+c z how to tansfer function y to formart like y=?x^2+ ?x+? and y=?z^2+?z+? So, I want to tansfer the equation below to arrange both A_{2l} and A_{2h} (one ...
0
votes
0answers
89 views

The order of evaluations with nested slots [duplicate]

I tried to join a series of evaluations with nested slots as follows: #^2 & /@ #^2 & /@ Range[10] However, the results were somewhat different from what ...
0
votes
1answer
134 views

Ordering of monomial terms

I have monomials with variables $a_1,\, a_2,\,\dots$ also their complex conjugates. I found that their order within the monomial depends on at which point I set the overline for the complex conjugate. ...
0
votes
1answer
187 views

Variable order in output

I have two questions about editing my output in Mathematica. I want the variables to be to the right of the fractions with the parameters. Update ...
3
votes
0answers
71 views

How do I reassign the ordering of symbols in a polynomial expression?

I have a big polynomial expression, like this: ...
1
vote
3answers
580 views

Matching the order of a master list of lists from a random list of lists

Using Mathematica 9, I have 2 lists of lists one master with dimensions {300, 6}. The second is some random order but has the same first ...
1
vote
1answer
79 views

Sorting the words of a phrase by defined variables/associations

Is it possible to change the word order of a phrase by creating a list of possible values/variables and using the Sort function? I want a specific word order always. $(a>b>c>d)$ But the ...
1
vote
1answer
134 views

Is the output to Solve ordered or are the solutions randomly placed?

I am trying to find the roots of a polynomial of eight degree $$\sin^8\varphi-2\lambda_i^2\sin^6\varphi+(6\lambda_i^2+\lambda_i^4)\sin^4\varphi-(4\lambda_i^2+2\lambda_i^4)\sin^2\varphi+\lambda_i^4=0$$ ...
4
votes
3answers
351 views

Change Contour Plot Overlap Ordering

I have a contour plot for which I have selected a finite set of contours. However, the contours overlap in some places and I would like to reverse the order in which they are drawn. In other words,...
3
votes
1answer
249 views

ordered tree data structure

I have a map $f:X\to \mathbb{N}$ and I wish to find $x,x'\in X$ such that $f(x)=f(x')$. Since such elements are rare, I will have to check very many elements and perform many comparisons, so I suspect ...
0
votes
1answer
78 views

Breaking term order ties [duplicate]

I am interested in creating a table with positive Gaussian integers listed in order based on their norms, with ties broken by lex order. So far I have ...
1
vote
0answers
87 views

Upvalues and order of interpretation

I'm trying to use UpValues to improve the usability of some code, but I am running into an issue where the order of the UpValues is important, and I am not sure if it is my understanding or a ...
3
votes
2answers
697 views

Permuting elements within a list

I have s = {2, 3, 5, 7, 1, 4, 6} (* always with diffente elements in {1,2....7}*) l = Length[s] n = 3 and n tells us that we ...
2
votes
0answers
56 views

How to simplify a polynomial and get the results in the order that I want? [duplicate]

How to simplify a polynomial in a order that I want? Assume that I have a polynomial here, for example, $a^3 b^4 c^2$, the order of symbels is the dictionary order, $a>b>c$. But what if I want ...
3
votes
3answers
764 views

How can I reorder the factors in the terms of a polynomial?

How can I reorder the factors in the terms of a polynomial? Consider ...
9
votes
3answers
1k views

How do I get a two-term polynomial with a leading negative sign to display in the correct (i.e. textbook) order?

The first three expressions evaluate as expected and the polynomial is displayed in what I would call "textbook" form. The last expression, however, switches the order of terms. Mathematica employs ...
18
votes
4answers
2k views

How to keep Collect[] result in order?

For example, Collect[(1 + x + Cos[s] x^2)^3, x] gives the result ...
31
votes
5answers
3k views

How do I reassign canonical ordering of symbols?

I have a big polynomial that evaluates to: $$A^2 e^2 \phi ^- \phi ^++A e \phi ^- \phi ^+ c_{2 w} g_Z+\frac{1}{2} A e g h W^- \phi ^+ +\ll13\gg,$$ which is supposed to represent some terms in the ...