Top "Triangular" questions

Use this tag when you have a programmatic problem related to coordinates, area, or any other property of a shape that forms a triangle.

Is there around a straightforward way to invert a triangular (upper or lower) matrix?

I'm trying to implement some basic linear algebra operations and one of these operations is the inversion of a triangular (…

c++ math matrix linear-algebra triangular
How can I create a triangular matrix based on a vector, in MATLAB?

Let's say I've got a vector like this one: A = [101:105] Which is really: [ 101, 102, 103, 104, 105 ] And I'd like to use only vector/…

matlab matrix triangular
Linear index upper triangular matrix

If I have the upper triangular portion of a matrix, offset above the diagonal, stored as a linear array, how …

c++ arrays numpy linear-algebra triangular