Matrix « math « Javascript Data Type Q&A

1. Get angle from matrix    stackoverflow.com

I know a matrix [x scale, y skew, x skew, y scale, trans x, trans y], and would like to get the angle in degrees. thanks!

2. Using WebGL Shader Language (GLSL) for arbitrary vector mathematics in JavaScript    stackoverflow.com

The WebGL Shader Language (GLSL) is a very powerful tool for multidimensional vector mathematics. Is there any possibility to use that power from JavaScript (running in web browser) for private non-3D ...

3. javascript matrix exponential, ala cv::Rodrigues( )?    stackoverflow.com

Does anyone know of an existing code that does matrix exponential in javascript ? Or, if not, what are "best practices" for writing something like that? I am used to C++ & ...

4. How can I modify this algorithm which reorders a

?    stackoverflow.com

Background: I asked this question yesterday: How to modify the orientation of a <ul> spanning multiple columns? asking how to convert a list like this:

a  b  c

d  e  f

g ...

5. How do matrix transformations work particularly in javascript with svg    stackoverflow.com

How do matrix transformations work? I mean why do I have to use matrix multiplication to rotate, translate, etc?

6. gluProject equivalent in Javascript    stackoverflow.com

I'm looking for an equivalent of gluProject in javascript for use with WebGL. Does anyone know where an open-source implementation is or how to implement it in javascript? I'm using the ...