Some Assembly Required
The input to this function is a matrix of real numbers. Your job is to assemble the rows of the matrix into one large row that ...
N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension.
...
6年弱 前
解決済み
Matrix with different incremental runs
Given a vector of positive integers
a = [ 3 2 4 ];
create the matrix where the *i* th column contains the vector *1:a(i)...
6年弱 前
解決済み
Permute diagonal and antidiagonal
Permute diagonal and antidiagonal
For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7]
WITHOUT diag function (and variable n...
Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix:
1 2 3 ...
6年弱 前
解決済み
surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones:
A = [1 2 ...
6年弱 前
解決済み
Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal.
Example:
>> M=magic(5);
>> flipDiagonal(M)
9 24 1 ...
Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix, return a matrix with all elements above a...
6年弱 前
解決済み
Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix, generate an output matrix that consists o...
6年弱 前
解決済み
Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN;
output -> matrix(p*m), the same matrix where we deleted the enti...
6年弱 前
解決済み
Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...
6年弱 前
解決済み
Minefield Sonar
*Background*
In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...