linear-algebra
How to multiply matrix with its transpose using Oracle database and utl_nla
I\'m going nuts with this issue. I can\'t get the result from the following multiplication: X^t * X X is an m * n matrix with m = 36 rows and n = 3 columns which is represented by an utl_nla_array_[详细]
2023-01-28 12:58 分类：问答How to solve an equation of the form p = aw + bx + cy + dz where I have thousands of a-e data sets?
I have thousands of data sets of (p, w, x, y, z), and I\'m pretty sure that they fit an equation of the form p= aw + b开发者_开发技巧x + cy + dz, with p rounded up in some way.[详细]
2023-01-28 10:48 分类：问答How to calculate the eigenvector of a column stochastic matrix in C++
I have a column stochastic matrix A(n-by-n real, non-negative matrix) and want to solve the following equation in C++: Ax=x[详细]
2023-01-28 06:10 分类：问答Using Accelerate (CLAPACK) to solve an augmented matrix?
Does anyone know what function/method to use in Accelerate (CLAPACK) to solve an augmented matrix such as the one below? Looking for any sample code, links to samples, hints on how to solve the matrix[详细]
2023-01-27 18:26 分类：问答Is it possible to solve a non-square under/over constrained matrix using Accelerate/LAPACK?
Is it possible to solve a non-square under/over constrained matrix using Accelerate/LAPACK? Such as the following two matrices. If any variables are under constrained they should equal 0 instead of be[详细]
2023-01-27 12:24 分类：问答Find a bijection that best preserves distances
I have two spaces开发者_Go百科 (not necessarily equal in dimension) with N points. I am trying to find a bijection (pairing) of the points, such that the distances are preserved as well as possible.[详细]
2023-01-27 11:41 分类：问答Linear Algebra library for Javascript? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]
2023-01-27 06:53 分类：问答Eigen decomposition of a matrix of form W * diag(S) * W' for matrix exponential in MATLAB
W is a tall and skinny real valued matrix, and diag(S) is a diagonal matrix consists of +1 or -1 on the diagonal. I want the eigen decomposition of A = W * diag(S) * W\' where single quote denotes tra[详细]
2023-01-24 20:10 分类：问答Linear algebra package over the integers
I\'ve recently ran into the following problem. Given a list of vectors (here I mean tuple) all with integer entries, is there a package (language isn\'t too much an issue, the faster the better, so I[详细]
2023-01-24 11:24 分类：问答how to solve linear equations involving modulo?
In one of my p开发者_Go百科rojects, I encountered a set of linear eqns. with modulo.I am putting it in simple format with only 2 variables,[详细]
2023-01-24 03:14 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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