matrix-multiplication
How can I multiply a matrix by a vector using JAMA?
I\'m trying to create a vector from an array of doubles. I then want to multiply this vector by a matrix. Does anyone know how I can achieve this? Below is a really simple example that I would like to[详细]
2023-03-20 15:02 分类:问答Android Matrix.rotateM results in NaN
Im trying to do a Matrix.rotateM(); and i noticed if all the parameters beside the matrix itself is 0.0f then the Matrix will get messed up with some NaN values.[详细]
2023-03-19 06:08 分类:问答Erlang Matrix Library
I\'m looking for a robust library to handle matrices in Erlang. Nothing fancy, just efficient handling of multiplication and basic operations. I could do that with l开发者_如何转开发ists etc. but I\'m[详细]
2023-03-17 12:21 分类:问答MATLAB: How to vector-multiply two arrays of matrices?
I have two 3-dimensional arrays, the first two dimensions of which represent matrices and the last one counts through a parameterspace, as a simple example take[详细]
2023-03-17 03:19 分类:问答How do I convert this threeCanvas.js line of code into three.js?
For whatever reason, three.js and ThreeCanvas.js are incompatible.I\'m attempting to change a ThreeCanvas.js program over to three.js, but this line is giving me huge problems:[详细]
2023-03-15 08:01 分类:问答Local data store vs. Texture cache in Cayman Architecture for scientific computation
I am trying to implement a GEMM implmentation using AMD-APP-SDK 2.4 on a ATI HD 6990 card (Cayman architecture).[详细]
2023-03-13 18:41 分类:问答find the dot product of sub-arrays in numpy
In numpy, the numpy.dot() function can be used to calculate the matrix product of two 2D arrays. I have two 3D arrays X and Y (say开发者_如何学C), and I\'d like to calculate the matrix Z where Z[i] ==[详细]
2023-03-12 08:27 分类:问答C# XNA Matrices - Calculate moon rotation around axis with matrices
I am building a 3D simulation. I am using one class to display sun, planets & moon with different size, texture, speed and orbit. Here\'s my code which does the magic job of calculating rotation[详细]
2023-03-09 18:27 分类:问答Rotating a vector using Matrix.rotateM
I have made a simple class called Vector3. It\'s a 3 dimensional vector with some basic math implementions.[详细]
2023-03-07 02:32 分类:问答Why is MATLAB so fast in matrix multiplication?
I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation.When I perform matrix multiplication with M开发者_StackOverflow中文版ATLAB, 2048x2048 and[详细]
2023-03-06 20:03 分类:问答