Perform the Matrix Multiplication $A = \left[ \begin{array} { l } - 2 \\ 1 \\ - 1 \end{array} \right]$

question 122

Essay

Perform the matrix multiplication.
-Let $A = \left[ \begin{array} { l } - 2 \\ 1 \\ - 1 \end{array} \right]$ and $B = \left[ \begin{array} { l l l } 1 & - 1 & 0 \end{array} \right]$
Find $\mathrm { AB } .$

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Definitions:

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables using a linear equation.

Dependent

Suggests a reliance on something else for value, substance, or outcome; often used in context with variables in research where one variable's response is contingent on another's action.

Coefficient Of Correlation

A numerical measure that illustrates the magnitude and direction of a relationship between two variables or sets of data.

SSE

Sum of Squared Errors, a measure used in statistics to indicate the difference between the observed and predicted values by a model.