matrix

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Incorrect Clipping and 3D Projection when using SlimDX

I am working on a simple project whereby I wish to display a 3D object within a WinForms application using SlimDX. I have created a small project to do this, but I am encountering a problem where the[详细]

2023-04-12 06:19 分类：问答
Turning a Large Matrix into a Grayscale Image

I have a NumPy array of 3,076,568 binary values (1s and 0s). I would like to convert this to a matrix, and then to a grayscale image in Python.[详细]

2023-04-12 03:00 分类：问答
OpenGL Math - Projecting Screen space to World space coords

Time for a little bit of math for the end of the day.. I need to project 4 points of the window size: <0,0> <1024,768>[详细]

2023-04-12 01:57 分类：问答
2D Matrix allocation on heap in c++

I am looking for a way to allocate a 2D (m x n) matrix on the heap where the elements are consecutive in memory. Currently I know of two ways to accomplish that:[详细]

2023-04-11 22:24 分类：问答
Recursive Table/Row Generator

I\'m having a tough time wrapping my head around the following situation. The best way to explain may be by example[详细]

2023-04-11 22:04 分类：问答
OpenGL left-handed coordinate system

I\'m writing a 3D OpenGL app and I\'m having problems with my vertex translation matrix. Here\'s my vertex shader:[详细]

2023-04-11 21:47 分类：问答
Set elements of matrix to zero with probability using MATLAB

I have a matrix A of size mXn and I would like to set some of it elements to zero depending on the following criteria:[详细]

2023-04-11 16:34 分类：问答
How to calculate percentage row in SSRS Tablix?

I am using SSRS 2008 and trying to calculate the following percentage in my tablix: sum(Fields!Last14Days_Ct.Value) / countdistinct(Fields!Client.Value)[详细]

2023-04-11 13:20 分类：问答
log covariance to arithmetic covariance matrix function?

Is there a function that can convert a covariance matrix built using log-returns into a covariance matrix based on simple arithmetic returns?[详细]

2023-04-11 12:43 分类：问答
What is supposed to happen with the transpose flag for glUniformMatrix with non-square matrices?

I encountered what seemed to me as strange behavior using glUniformMatrix4x3fv. Specifically when I give TRUE as for the transpose flag entire rows of my matrices are missing in my shader variable (an[详细]

2023-04-11 09:02 分类：问答