MATLAB sort matrix by one row. 2. How to sort the columns of a matrix in order of some other vector in MATLAB? 2. sorting a matrix in MATLAB. 0. Sort matrix according to specific column, and further sort it using another column, while maintaining the first sort order. Hot Network Questions 文章浏览阅读10w+次，点赞20次，收藏70次。sort(A)若A是向量不管是列还是行向量，默认都是对A进行升序排列。sort(A)是默认的升序，而sort(A,'descend')是降序排序。sort(A)若A是矩阵，默认对A的各列进行升序排列sort(A,dim)dim=1时等效sort(A)dim=2时表示对A中的各行元素升序排列看下面的例子 >> A=magic(3)A =8 B = sort(A) 按升序对 A 的元素进行排序。 如果 A 是向量，则 sort(A) 对向量元素进行排序。 如果 A 是矩阵，则 sort(A) 会将 A 的列视为向量并对每列进行排序。 如果 A 是多维数组，则 sort(A) 会沿大小不等于 1 的第一个数组维度计算，并将这些元素视为向量。 B = sort(A,dim) 複素数ベクトルの要素を、実数部で並べ替えます。既定では、関数 sort は複素数値を大きさで並べ替え、同順位の並べ替えには位相角を使用します。 代わりに複素数値を実数部で並べ替えるには、'ComparisonMethod' の値を 'real' と指定します。 実数部が等しい要素については、sort は虚数部を基準 예제. B = sort (A) 는 A 의 요소를 오름차순으로 정렬합니다. A 가 벡터인 경우 sort (A) 는 벡터 요소를 정렬합니다. A 가 행렬인 경우 sort (A) 는 A 의 열을 벡터로 취급하고 각 열을 3 Answers. And more generally, you could use flipdim (a,dim). Where dim is the dimension (dim=1 flips rows, dim=2 flips columns). If the array you want to reverse is a range a:b, 7. Oddly enough macOS Finder does not (seem to) offer a reverse sort in anything but list view. You can change the sort order in list view by clicking on the column heading and noting the direction the arrow points, either up or down. But a sort order does not seem to be available in anything but list view
MatLab函数sort、issorted、sortrows、issortedrows - 简书
I'm not sure, if I understand the question correctly. Do you want to bring B in the same order as the unsorted A? Then either sort both vectors and mix their sorting indicies: Theme. Copy. [As, Ai] = sort (A); [Bs, Bi] = sort (B (: 1)); ABi (Ai) = Bi; Now ABi is the sorting index to bring B to the order of A Sort index, returned as an index vector. The sort index describes the rearrangement of the rows in the input such that B = A(index:). The sortrows function uses a stable sorting algorithm. So, when the input contains repeated values, the sort index preserves the original order from the input, regardless of sorting direction 本文档详细介绍了 MATLAB 中的排序操作和一个简单的 Project 1。通过示例代码和输出结果的演示，您可以清楚地了解如何使用 `sort` 和 `sortrows` 函数进行排序操作，以及如何编写一个简单的加法函数。这些是 MATLAB 中常用的基本操作和编程概念，对学习和使用 MATLAB 进行数据处理和算法实现非常有帮助。 The easy way to do that, is to express the date in days, [HOST]=year*+month*30+day. then sorting them, and use index as dicuss in previous comments but unfortunately if you have files with the same date need to do next step. the next step is to get only the equal date, then express their time in This function takes the Matlab data from a struct and puts it into the table via a for-loop row for row. Because the data is put into the table via a for-loop I thought there might be a way to only sort a fixed number of rows at a time i.e row , , and so on A がベクトルの場合、 flip (A) は、ベクトルの長さに沿って要素の順序を逆にします。. A が行列の場合、 flip (A) は、各列の要素を反転させます。. A が N 次元配列の場合、 flip (A) は、サイズの値が 1 でない A の最初の次元に対して演算を行います。. How to reverse "sort". Learn more about sort For example we have a row like m=[1 6 2 8 9] [Y,I] = sort(m) then it gives you Y = 1 2 6 8 9 I = 1 3 2 4 5 But I would For example, if I use the sort function on the array [14 8 91 19], I will get [8 14 19 91]. But instead I want [2 1 4 3] which gives me the indices of elements in the original array. Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting!
MATLAB中排序函数(Sort)为什么在数据量巨大时运算时间依然很 …
Accepted Answer. The eig function doesn't sort the eigenvalues it returns, for two reasons: 1) This is not needed for many applications, and would slow down the computation time for these cases. 2) For non-symmetric eigenvalue problems, the eigenvalues are complex, and none of the sorting methods for complex values If A is a cell array of character vectors or a string array, then sort(A) sorts the elements according to the code order for the UTF character encoding scheme. The sort is I used the command "sortrows" and it worked perfectly. as in the following example: [Indata,id] = sortrows (InData,1); % sort InData. [~,ids] = sortrows (id,1); % The sort is case-sensitive. For more information on sorting character and string arrays, see Sort Order for Character and String Arrays. If A is a string array, then sort B 中重新排序的维度取决于 A 的形状：. 如果 A 为向量， flip (A) 将沿向量的长度方向反转元素顺序。. 如果 A 为矩阵， flip (A) 将反转每列元素的顺序。. 如果 A 为 N 维数组， flip Si A est un tableau N-D, alors flip (A) opère sur la première dimension de A pour laquelle la taille n’est pas 1. exemple. B = flip (A,dim) inverse l’ordre des éléments dans A le long de la dimension dim. Par exemple, si A est une matrice, alors flip (A,1) inverse les éléments dans chaque colonne, et flip (A,2) inverse les éléments Matlab how do I sort my data? 3. plotting points from matrix on matlab. 0. R plot in ascending order. 3. Sorting barh plots in MATLAB. 0. plot scattered data in order (matlab) 1. Draw a curve correctly using Matlab? 0. how to plot a graph with the oryginal order of y-axis values? 1 基于线程的环境 使用 MATLAB® backgroundPool 在后台运行代码或使用 Parallel Computing Toolbox™ ThreadPool 加快代码运行速度。 此函数完全支持基于线程的环境。 有关详细信息，请参阅 在基于线程的环境中运行 MATLAB 函数 。