QuestionJuly 4, 2025

MATLAB 017 - Commutativity in MATLAB operations Which of the following MATLAB operations will satisfy the commutative property? Instruction: Select all that apply. Check All That Apply array addition scalar subtraction non-scalar multiplication scalar multiplication

MATLAB 017 - Commutativity in MATLAB operations Which of the following MATLAB operations will satisfy the commutative property? Instruction: Select all that apply. Check All That Apply array addition scalar subtraction non-scalar multiplication scalar multiplication
MATLAB 017 - Commutativity in MATLAB operations
Which of the following MATLAB operations will satisfy the commutative property?
Instruction: Select all that apply.
Check All That Apply
array addition
scalar subtraction
non-scalar multiplication
scalar multiplication

Solution
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Answer

array addition, scalar multiplication Explanation 1. Evaluate array addition Array addition is commutative. If A and B are arrays of the same size, then A + B = B + A. 2. Evaluate scalar subtraction Scalar subtraction is not commutative. For scalars a and b, generally a - b \neq b - a. 3. Evaluate non-scalar multiplication Non-scalar multiplication (matrix multiplication) is not commutative. For matrices A and B, generally AB \neq BA. 4. Evaluate scalar multiplication Scalar multiplication is commutative. For scalars a and b, a \times b = b \times a.

Explanation

1. Evaluate array addition<br /> Array addition is commutative. If $A$ and $B$ are arrays of the same size, then $A + B = B + A$.<br />2. Evaluate scalar subtraction<br /> Scalar subtraction is not commutative. For scalars $a$ and $b$, generally $a - b \neq b - a$.<br />3. Evaluate non-scalar multiplication<br /> Non-scalar multiplication (matrix multiplication) is not commutative. For matrices $A$ and $B$, generally $AB \neq BA$.<br />4. Evaluate scalar multiplication<br /> Scalar multiplication is commutative. For scalars $a$ and $b$, $a \times b = b \times a$.
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