In msperlin/adfeR: Data, exercises and Functions for Book "Analise de Dados Financeiros e Economicos com o R"

my_size <- 3
M_identity <- matrix(0, 
                     nrow = my_size, 
                     ncol = my_size)

# solution
diag(M_identity) <- 1

print(M_identity)

Question

Utilizando o R, crie uma matrix identidade (valor 1 na diagonal, zero em qualquer outro) de tamanho 3X3. Dica: use função diag para definir a diagonal da matrix.

Solution

Meta-information

extype: string exsolution: r mchoice2string(c(TRUE, FALSE, FALSE, FALSE, FALSE), single = TRUE) exname: "matrix" exshuffle: TRUE

msperlin/adfeR documentation built on March 26, 2021, 3:05 a.m.