Find number in sorted matrix (Rows n Columns) in O(log n)
54937
How do I search for a number in a 2d array sorted left to right and top to bottom?
66842
Number of $n^2\times n^2$ permutation matrices with a 1 in each $n\times n$ subgrid
123099
How can I sort a 2-D array in MATLAB with respect to one column?
13127
Find two missing elements from a sorted array in given range
129965
Assigning row number for sorted table by column in QGIS
116631
How to get indices of a sorted array in Python
139815
find pair of numbers whose difference is an input value 'k' in an unsorted array
147822
Get the second largest number in a list in linear time
64376
i want to find the location of a number in a matrix in matlab
120744
How many $n\times m$ binary matrices are there, up to row and column permutations?
113628
Where M is a matrix calculate a formula for M^n
144642
How to select one element from each column of a matrix in matlab?
113517
How to find the kth largest element in an unsorted array of length n in O(n)?
10631
Get the row and column name of the minimum element of a matrix
20241
Find the trace of the matrix?
136623
Hints/ Solution in finding a formula $\phi(n)$ for a binary square matrix
72578
Determinant value of a square matrix whose each entry is the g.c.d. of row and column position