R Programming Matrix: Exercises, Practice, Solution

R Programming Matrix [13 exercises with solution]

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1. Write a R program to create a blank matrix.
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2. Write a R program to create a matrix taking a given vector of numbers as input. Display the matrix.
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3. Write a R program to create a matrix taking a given vector of numbers as input and define the column and row names. Display the matrix.
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4. Write a R program to access the element at 3^rd column and 2^nd row, only the 3^rd row and only the 4^th column of a given matrix.
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5. Write a R program to create two 2x3 matrix and add, subtract, multiply and divide the matrixes.
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6. Write a R program to create a matrix from a list of given vectors.
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7. Write a R program to extract the submatrix whose rows have column value > 7 from a given matrix.
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8. Write a R program to convert a matrix to a 1 dimensional array.
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9. Write a R program to create a correlation matrix from a dataframe of same data type.
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10. Write a R program to convert a given matrix to a list of column-vectors.
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11. Write a R program to find row and column index of maximum and minimum value in a given matrix.
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12. Write a R program to rotate a given matrix 90 degree clockwise rotation.
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13. Write a R program to concatenate two given matrices of same column but different rows.
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