How many elements in this matrix are greater than 3

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Reference no: EM133016548

Generate a random sample of size 24 from the normal distribution with mean 3 and standard deviation 1. Construct a 6 by 4 matrix M from this data vector so that the data fills the matrix in row order. Write single expressions to do each of the following. Print the result, if needed for checking, in a separate expression.

(a) How many elements in this matrix are greater than 3?

(b) Extract the elements that are greater than 3 in the matrix.

(c) Make a copy of the original matrix M, name it M1. Then set the elements that are greater than 3 to zero in N.

(d) Make a copy of the original matrix M, name it M2. Then set the elements that are greater than 3 in row 2 and 4 to -5 in M2.

(e) Append the vector (1, 2, 3, 4, 5, 6) to the left hand side of the matrix M2. Call the result M3.

Reference no: EM133016548

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