one (two) of the uses for diag when nrow is specified or when x is a vector of length one, you get an identity matrix diag(5) diag(nrow = 5). ... <看更多>

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Creating and manipulating matrices · Subsetting · Row- and column-binding · Diagonal elements and diagonal matrices: diag() · Identity matrices. ... <看更多>

How many different ways are there to create an identity matrix in R? This was an interesting little challenge set by Guillaume Nicoulaud on ... ... <看更多>

And by definition of the identity matrix, we can conclude that R=I ◻. Although I have a lot of doubts, but I will ask: is it correct? The ... ... <看更多>