Determine Whether or Not the Pair of Matrices Is an Inverse

question 113

Multiple Choice

Determine whether or not the pair of matrices is an inverse pair. $\left[ \begin{array} { l l l } 2 & 2 & 2 \\0 & 2 & 2 \\0 & 0 & 2\end{array} \right]$ , $\left[ \begin{array} { c c c } - \frac { 1 } { 2 } & \frac { 1 } { 2 } & 0 \\0 & - \frac { 1 } { 2 } & \frac { 1 } { 2 } \\0 & 0 & - \frac { 1 } { 2 }\end{array} \right]$

• A)inverse
• B) not inverse

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Definitions:

Forecasts

Predictions or estimates of future events or conditions, often based on statistical analysis and modeling.

Exponential Smoothing Model

A forecasting technique for single-variable data that utilizes weights that decrease exponentially for previous observations.

Smoothing Constant

A parameter used in exponential smoothing techniques to weight the significance of historical data.

Forecast Values

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