Dot product
0.1 Introduction
Instance of: algebraic operation
AKA: scalar product; inner product ; projection product ; $ · $
Distinct from:
English:
Formalization:
\[ a \cdot b \]
Cites: Wikipedia ; Wikidata ; Wolfram
3Blue1Brown: Dot products and duality | Chapter 9, Essence of linear algebra
Code
Documentation: PostgreSQL AVG Function
library(DBI)
# Create an ephemeral in-memory RSQLite database
#con <- dbConnect(RSQLite::SQLite(), dbname = ":memory:")
#dbListTables(con)
#dbWriteTable(con, "mtcars", mtcars)
#dbListTables(con)
#Configuration failed because libpq was not found. Try installing:
#* deb: libpq-dev libssl-dev (Debian, Ubuntu, etc)
#install.packages('RPostgres')
#remotes::install_github("r-dbi/RPostgres")
#Took forever because my file permissions were broken
#pg_lsclusters
require(RPostgres)
Loading required package: RPostgres
0.2 Bayesian
English: Formalization:
\[ \]
Cites:
Code