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Questions - triangular

Convert upper triangular matrix into vector In Fortran

I would like to convert upper triangle part of the matrix to the vector. For example I have the following matrix (4x4 for simplicity): 1 2 3 4 5 6 7 8 9 10 11 1...
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Abracadabra

matrix

vector

fortran

triangular

Votes: 0

Answers: 3

Latest Answer

It is really just going through the array in the right order and storing the elements that you go through. It may just take a bit of experimenting to get the loop bounds correct. integer : n real*...
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Vladimir F Героям слава

Python - Vectoring or Efficient way of Creating an Upper Triangular Matrix and Stack it

I'd like to know if someone knows a vectoring or more efficient way (reducing time and memory consuming) of creating an upper triangular matrix, which the rows are delayed versions (shifted arrays) of...
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Mateus Schneider Castilhos

python

performance

matrix

triangular

Votes: 0

Answers: 0

What is the simplest way to create an upper triangle tensor with Tensorflow?

Similar to this question, I want to convert this tensor tensor = tf.ones((5, 5)) tf.Tensor( [[1. 1. 1. 1. 1.] [1. 1. 1. 1. 1.] [1. 1. 1. 1. 1.] [1. 1. 1. 1. 1.] [1. 1. 1. 1. 1.]], shape=(5, 5), dt...
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user17185996

tensorflow

triangular

Votes: 0

Answers: 1

Latest Answer

You can use tf.linalg.band_part: >>> tensor = tf.ones((5, 5)) >>> tf.linalg.band_part(tensor, 0, -1) <tf.Tensor: shape=(5, 5), dtype=float32, numpy= array([[1., 1., 1., 1., 1.], ...
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