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A matrix and a scalar is a matrix. S + M1 = M2.
A scalar is a real number whose square is positive. A matrix is an array of numbers, some of which are scalars and others are vectors, square of the number is negative. A matrix can be a quaternion, the sum of a scalars and three vectors.
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Is the scalar matrix is always a identity matrix?
No. A scalar matrix is a diagonal matrix whose main diagonal elements are the same. Only if the diagonal elements are all 1 is it an identity matrix.
How do you multiply a matrix by a scale?
Multiply each element of the matrix by the scalar.
What is A constant by which a matrix is multiplied?
It is a scalar multiplier.
How matrix are different from scalar?
A scalar is any single number, like 27, while a matrix contains at least 2 numbers such as [27, 3].
An operation where you multiply each element of a matrix by a constant is called a what?
scalar multiplication
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