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Scalar Matrix
## Definition / Concept
A diagonal matrix in which all diagonal elements are equal is called a scalar matrix.
$$A=kI$$
where $$i$$ is the identity matrix.
## Usage
- Used as a matrix equivalent of a scalar multiple of the identity.
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Scalar Matrix
## Definition / Concept
A diagonal matrix in which all diagonal elements are equal is called a scalar matrix.
$$A=kI$$
where $$i$$ is the identity matrix.
## Usage
- Used as a matrix equivalent of a scalar multiple of the identity.
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