linear-algebra

相关标签：javascript jquery android 多少钱 iPhone

Average distance of two line segments in 2d/3d

Intro: I\'m working on an image processing task trying to find two borders of an object, which can be described by two straight line segments. I\'m using some variant of the hough line transform to fi[详细]

2023-04-04 08:17 分类：问答
Conjugate Gradients on iPhone/iPad using OpenGL ES 2.0

I wrote this as a question in a comment but I feel it is worth its own question. I would like to build a conjugate gradients solver on the iPhone/iPad as it would open up a realm of new possibilities[详细]

2023-03-31 17:37 分类：问答
How to define the new vector in my case?

This is probably more like a mathematics question: If I have a vector: var origin = new Vector(x, y) then, I would like to get N sub vectors, each one of the N sub vector is got by adding origin[详细]

2023-03-31 11:49 分类：问答
BLAS: gemm vs. gemv

Why does BLAS have a 开发者_运维技巧gemm function for matrix-matrix multiplication and a separate gemv function for matrix-vector multiplication?Isn\'t matrix-vector multiplication just a special case[详细]

2023-03-28 18:25 分类：问答
2D Matrix to 3D Matrix

I have 2D transformatio开发者_如何学编程ns stored in a plain ol\' 3x3 Matrix. How can I re-format that one to a Matrix I can shove over to OpenGL in order to transform orthogonal shapes, polygons and[详细]

2023-03-26 05:37 分类：问答
how much time does it take to make a call to opencl?

I\'m currently implementing an algorithm that does allot of linear algebra on small matrices and vectors. the code is fast but I\'m wondering if it would make sense to implement it on a gpgpu instead[详细]

2023-03-25 21:51 分类：问答
numpy arbitrary precision linear algebra

I have a numpy 2d array [medium/large sized - say 500x500]. I want to find the eigenvalues of the element-wise exponent of it. The problem is that some of the values are quite negative (-800,-1000, et[详细]

2023-03-24 01:18 分类：问答
Algorithm to complete a corrupted matrix of data

I have the following issue: I extracted a set of data but part of these data are either not available or missing; for different items I identified 10 parameters:[详细]

2023-03-23 11:18 分类：问答
Javascript equivalent functions to Matlab Functions: Polyfit/Polyval?

Desperately need a Javascript equivalent to polyval and polyfit functions that exist in Matlab.Essentially those functions in matlab do a curve fit based on two equally sized arrays depending on a spe[详细]

2023-03-23 11:06 分类：问答
Eigen and cholesky decomposition: instability issues?

I\'m working on a 3-D surface mesh and trying to obtain gaussian curvature values by fitting a quadric polynomial to each vertex neighborhood. In order to obtain the polynomial coefficients I\'m using[详细]

2023-03-23 08:03 分类：问答