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memorize.ai (lvl 286)

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Section 1

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solve

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R Programming Language

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (14)

Section 1

(14 cards)

solve

Front

Matrix inversion

Back

%*%

Front

Matrix multiplication

Back

nrow

Front

Get number of rows

Back

dim

Front

Get matrix dimensions

Back

[,]

Front

Matrix/array subsetting

Back

*

Front

Scalar matrix multiple

Back

t

Front

Matrix transpose

Back

diag

Front

Diagonal elements/identity matrix

Back

ncol

Front

Get number of columns

Back

array

Front

Create an array

Back

matrix

Front

Create a matrix

Back

rbind

Front

Create a matrix (bind rows)

Back

+, -

Front

Matrix addition/subtraction

Back

cbind

Front

Create a matrix (bind columns)

Back