統計
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解決済み
Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
4年弱 前
解決済み
matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...
4年弱 前
解決済み
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
4年弱 前
解決済み
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
4年弱 前
解決済み
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
4年弱 前
解決済み
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
4年弱 前
解決済み
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
4年弱 前
解決済み
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
4年弱 前
解決済み
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
4年弱 前
質問
Block-diagonalization of a matrix
Hello everyone, It is possible to block-diagonalize a matrix in Matlab? I have a matrix composed of 1x1, 2x2 and 3x3 blocks ...
6年弱 前 | 1 件の回答 | 1
1
回答質問
Sort eigenvectors matrix.
Hello, I have a block diagonal matrix called G. I have diagonalized this matrix using eig and obtained the eigenvalues: ...
6年弱 前 | 1 件の回答 | 0
