4. The colon (:) operator and linspace function are used in MATLAB to create linearly spaced...
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4. The colon (:) operator and linspace function are used in MATLAB to create linearly spaced vectors. Observe the results of the example provided using these two methods. Then, generate the vectors below (a. b. c. and d.) using the colon operator and the linspace function. >> 1s = linspace (3,15,5) 18 - 3 6 >>1s 9 12 15 3:3:15 3 6 9 12 15 a. [1 2 3 4 5 6 7 8 9 10] b. [9 7 51 c. [-3-6-9 -12 -15 -18] d. [1 3 5 7 9 3 6 9 12 15] 5. If a variable has the dimensions 5 x 1, could it be considered to be (select all that apply): a. a matrix? b. a row vector? c. a column vector? d. a scalar? 6. If a variable has the dimensions 1 x 1, could it be considered to be (select all that apply): a. a matrix? b. a row vector? c. a column vector? d. a scalar? 7. Create the two (2x2) matrices A and B define as follows: A=B=L a. Compute C1 = A + B and C2 = A - B and analyze how the operations are performed. b. Compute the matrix products D1 AB and D2 B*A. Are D1 and D2 the same? If not why? c. Now, using element-wise multiplication (.*) compute D3 A. B and D4 d. Is D1 D3 and is D2 D4? Why? B.A. Are D3 and D4 the same? If so why? 4. The colon (:) operator and linspace function are used in MATLAB to create linearly spaced vectors. Observe the results of the example provided using these two methods. Then, generate the vectors below (a. b. c. and d.) using the colon operator and the linspace function. >> 1s = linspace (3,15,5) 18 - 3 6 >>1s 9 12 15 3:3:15 3 6 9 12 15 a. [1 2 3 4 5 6 7 8 9 10] b. [9 7 51 c. [-3-6-9 -12 -15 -18] d. [1 3 5 7 9 3 6 9 12 15] 5. If a variable has the dimensions 5 x 1, could it be considered to be (select all that apply): a. a matrix? b. a row vector? c. a column vector? d. a scalar? 6. If a variable has the dimensions 1 x 1, could it be considered to be (select all that apply): a. a matrix? b. a row vector? c. a column vector? d. a scalar? 7. Create the two (2x2) matrices A and B define as follows: A=B=L a. Compute C1 = A + B and C2 = A - B and analyze how the operations are performed. b. Compute the matrix products D1 AB and D2 B*A. Are D1 and D2 the same? If not why? c. Now, using element-wise multiplication (.*) compute D3 A. B and D4 d. Is D1 D3 and is D2 D4? Why? B.A. Are D3 and D4 the same? If so why?
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