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#determinants

1 post1 participant0 posts today
Geriatric Gardener

“Maga’s era of ‘soft eugenics’: let the weak get sick, help the clever breed”

by Derek Beres in The Grauniad

“At the heart of all Trump administration policies is ‘soft eugenics’ thinking – the idea that if you take away life-saving services, then only the strong will survive”

theguardian.com/us-news/ng-int

The Guardian · Maga’s era of ‘soft eugenics’: let the weak get sick, help the clever breedBy Guardian staff reporter
#Press#US#Trump
Giuseppe Michieli

Polygenic #Determinants of #H5N1 #Adaptation to Bovine Cells

Source: BioRxIV, AbstractH5N1 avian influenza virus (lineage 2.3.4.4b, B3.13 genotype) has caused, unexpectedly, a large outbreak in dairy cattle in North America. It is critical to ascertain how this virus has specifically adapted to bovine cells and the molecular determinants of this process. Here, we focused on the contribution of the viral internal genomic segments of H5N1 B3.13 to bovine cells adaptation.

etidioh.wordpress.com/2024/12/

ETIDIoH · Polygenic #Determinants of #H5N1 #Adaptation to Bovine Cells
More from ETIDIoH
Continued thread
Eric Maugendre

Data returned by an observation typically is represented as a vector in machine learning.

A neural network can be seen as a large collection of linear models. We may represent the inputs and outputs of each layer as vectors, matrices, and tensors (which are like higher dimensional matrices).

#algebra#linearAlgebra#vectors
Continued thread
Eric Maugendre

Linear algebra (continued)

Which of the below operations, when applied to the rows of a matrix, keeps the #singularity (or non-singularity) of the matrix?:
(Hint: It works the same as a system of linear equations.)

· 12 people · Closed
#learning#algebra#systems
Eric Maugendre

@math

A system (of sentences, of equations, of graphs) is said "complete" if it has one and only one solution.
A system is deemed "singular" if it does not have one and only one solution.

A convenient way to show singularity is to:
* define a "determinant" as the product of the leading diagonal minus the product of the antidiagonal and
* calculate that it is zero.

#learning#algebra#systems
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