C/C++ Code Generation Generate C and C++ code using MATLAB® Coder™. Usage notes and limitations: str must be a string scalar, a character vector, or a cell array containing not more than one character vector Matlab中给一维向量排序是使用sort函数：sort（X），其中x为待排序的向量。. 若欲保留排列前的索引，则可用 [sX,index] = sort (X) ，排序后，sX是排序好的向量，index是 向量sX中对X 的索引。. 索引使排列逆运算成为可能。. 事实上，这里X≡sX (index), [X恒等于sX (index Map data with keys that index values. A dictionary is a data structure that associates each key with a corresponding value. Keys and values can be of any data type, providing more flexibility for data access than array indices and improved performance. dictionary is recommended over [HOST] because it supports more data types as keys and If you are using a MATLAB version newer than Rb, you can take advantage of the "sortrows" function in tables for a simpler workflow: Theme. Copy. >> % suppose 's' is the struct array. 'DOB' is the field that contains date and time. >> T = struct2table (s); % convert the struct array to a table. >> sortedT = sortrows (T, 'DOB'); % @Asen Martin is this a solution? You said you want to "sort a matrix," which is in general different from flipud, although they are the same for your [HOST]'s not clear whether you want to sort each column individually, or as groups using sortrows. – Jeff Irwin 3. You can use the column operator (:) to vectorize all elements of 'nxm' matrix as a vector of 'nxm' elements and sort this vector. Then you can use direct assignement or 'reshape' function to store elements as matricial form. All you need to know is that matlab use column-major-ordering to vectorize/iterate elements: A = rand(3, 5); In my case I need to reverse 16bit numbers, so, I've tried three methods: 1) Using fliplr () to reverse as per the suggestions: uint16(bin2dec(fliplr(dec2bin(data,16)))) To test out the speed I decided to try and checksum 12MB of data. Using the above code in my CRC, it took seconds to complete! For i = 1:WordLength. h = bitshift (h,1) + bitand (x,1); x = bitshift (x,-1); end. x = the original number. h = the bit reversed version of x. If you put a bit of code in front of it to determine the WordLength, it works quite well. 0 Comments. Sign in to comment
Matrix - How to sort specific rows in matlab - Stack Overflow
MatLab排序函数 sort函数的调用格式: sort(X) 功能：返回对向量X中的元素按列升序排列的新向量。 [Y, I] = sort(A, dim, mode) 功能：对矩阵A的各列或各行重新排序，I记录Y中的元素在排序前A中位置，其中dim指明读A的列还是行进行排序。 MatLab的排序函数-sort，sort函数的调用格式: sort (X) 功能：返回对向量X中的元素按列升序排列的新向量。. [Y, I] = sort (A, dim, mode) 功能：对矩阵A的各列或各行重新排序，I记录Y中的元素在排序前A中位置，其中dim指明读A的列还是行进行排序。. 若dim=1，则按列排序；
Java - Sort a Set in reverse order - Stack Overflow
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 are very satisfactory. For 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 case