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R studio 8. 8a. Creating a matrix containing 1:12 with 4 rows, 3 columns, and name it as matrix_x, and print this matrix. 8b. Examine

R studio

8. 8a. Creating a matrix containing 1:12 with 4 rows, 3 columns, and name it as matrix_x, and print this matrix.

8b. Examine the row name of the matrix_x.

8c, Examine the column names of the matrix_x.

8d. Element-wise arithmetic with matrices: add 1 to all the elements with the matrix_x

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