Roraima

Roraima (Pemon: “roro imã”, “parrot mountain” i.e. “Green Peak”, ) is the northernmost and least populated state of Brazil, located in the Amazon region. It borders the states of Amazonas and Pará, as well as the nations of Venezuela and Guyana. The population is approximately 450,000 (2010) and the capital is Boa Vista. Roraima is the Brazilian state with the fewest municipalities, 15 in total.
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Matrix Notation

Matrices are rectangular arrangements of elements. The dimension of a matrix is given with m × n where m is the number of rows and n is the number of columns. The elements are identified with subscripts giving the row, j, and column, k, shown as ajk for the elements of a matrix A. When …
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