a. Create a ( 5 times 3 ) matrix containing the amount for each item for each month 

b. Compute the total spent for each month

 c. Compute the total spent on each material in 3 months period

 

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A. Material 1 2 3 4 5 Price($/ton) Quantity purchased (tons) May June July 5 4 6 2 4 5 3 5 4 300 550 400 250 500 3 6 3 2 4 3 QUESTION: a. Create a 5x3 matrix containing the amount for each item for each month b. Compute the total spent for each month c. Compute the total spent on each material in 3 months period d. Compute the total spent on all materials in 3 months period B. Find a polynomial whose roots are 2 and 5 ± 3i. Then evaluate the polynomial at x=0 to 10 using the syntax polyval at specified values of its independent variable x which can be a matrix or a vector. Plot the function A. Material 1 2 3 4 5 Price($/ton) Quantity purchased (tons) May June July 5 4 6 2 4 5 3 5 4 300 550 400 250 500 3 6 3 2 4 3 QUESTION: a. Create a 5x3 matrix containing the amount for each item for each month b. Compute the total spent for each month c. Compute the total spent on each material in 3 months period d. Compute the total spent on all materials in 3 months period B. Find a polynomial whose roots are 2 and 5 ± 3i. Then evaluate the polynomial at x=0 to 10 using the syntax polyval at specified values of its independent variable x which can be a matrix or a vector. Plot the function