Questions tagged [order]

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How to reverse or restore the order of my cells in Wolfram Mathematica Cloud?

I was completing my assignment and I have no idea what I clicked but all the cells got reversed that is the 1st one on the last and the last is the first cell in my file. I want to restore it back. I ...
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0answers
20 views

Consistency of sample quantile to population quantile for discrete variables [closed]

Can I know if the sample quantile converges to the population quantile in probability for discrete variables? If we use Hoeffding (1963)'s results, is this true?
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4answers
131 views

How would we extract elements of a list greater than a certain value? [closed]

Say we have a list {35,210,67,950,32,365} how would we extract all the elements greater than 100 from this list (using a function)? The desired output would be ...
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4answers
105 views

Sorting a function

So I have a function f[x : {{_, _} ...}] := f /@ x; f[a_,b_]=:a+b. I can input f[{1,2},{2,0},{3,4}] and get ...
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0answers
49 views

Map Inverse Ordering on Matrix [duplicate]

I have an matrix (symmetric, but any $n \times n$ will do) $$A = \begin{bmatrix} 0 & 4.5 & 6 & 5.5 \\ 4.5 & 0 & 4 & 3 \\ 6 & 4 & 0 & 5 \\ 5.5 & 3 & 5 &...
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3answers
224 views

Ordering Problem With VoronoiMesh

Imagine I want to model 2D cells moving in a tissue. Consider, as an example, Lloyd's relaxation algorithm. Using VoronoiMesh I'm able to mimic some cell movement. ...
8
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2answers
269 views

Best way to insert element into an ordered list at the correct position?

Suppose I have an ordered list orderedList and I want to write some code that will involve regularly inserting new elements into ...
2
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1answer
43 views

Does Mathematica have an order relationship for lists, or a general ordering relation?

{1, 2} < {3, 4} doesn't seem to work, but Sort[{{3, 4}, {1, 2}}] yields {{1, 2}, {3, 4}}. ...
4
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1answer
54 views

Ascending and descending in the context of the order of operations on Datasets

I did not understand the concepts ascending and descending in the context of the order of operations on Datasets. It is listed in the documentation, on Dataset's page and yet I did not understand. ...
8
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4answers
293 views

SortBy first element then second element, and so on?

SortBy can sort list by first element easily like so: SortBy[{{1, 6}, {1, 2, 8}, {2}}, First] and the result is: {{1, 6}, {...
2
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1answer
53 views

Inverse of matrix up to some order

Let $A(t,s)$ be a matrix of any size (potentially large), whose entries are polynomials functions wrt $(t,s)$ of order $N$. I would like to compute the inverse $X$ of $A$ up to the order $N$ that is $...
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1answer
38 views

Order of evaluation of variable

I'd like to control the order of evaluation in a multi-variable function. Example: Suppose I have the function: B[x_, y_] := x + y/x; If I try to evaluate ...
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56 views

Dealing with positive power variables in Taylor expansion and assumptions

I would like to compute the Taylor expansion of monomials whose powers are nonnegative rational variables. First, here is a function which encodes the multivariate Taylor expansion at the points <...
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2answers
244 views

How does Query decide the order in which the functions are applied?

First of all I know that Query is a nice way to organize your functions that are applying at specific levels of an expression. But I don't understand the order in ...
13
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4answers
820 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
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1answer
126 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
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1answer
1k 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
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1answer
171 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
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2answers
131 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)?
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1answer
91 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 ...
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0answers
136 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 ...
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1answer
204 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. ...
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1answer
353 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 ...
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0answers
104 views

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

I have a big polynomial expression, like this: ...
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3answers
766 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 ...
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1answer
93 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 ...
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1answer
145 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
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3answers
436 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
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1answer
266 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 ...
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1answer
100 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 ...
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0answers
111 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
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2answers
820 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 ...
3
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0answers
64 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 ...
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3answers
953 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 ...
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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 ...
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4answers
2k views

How to keep Collect[] result in order?

For example, Collect[(1 + x + Cos[s] x^2)^3, x] gives the result ...
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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 ...