Find the New Coordinate Vector for the Vector X After $\mathrm { A }$

question 5

Multiple Choice

Find the new coordinate vector for the vector x after performing the specified change of basis.
-If $\mathrm { A }$ is a $5 \times 9$ matrix, what is the smallest possible dimension of Nul $\mathrm { A }$ ?

• A) 9
• B) 4
• C) 5
• D) 0

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Definitions:

Absolute Threshold

The absolute threshold refers to the minimum intensity of a stimulus that one can detect 50% of the time.

Difference Threshold

The minimum difference in stimulation needed to detect a change or difference between two stimuli.

Just-noticeable Difference

The smallest change in intensity of a stimulus that can be detected.

Absolute Threshold

The minimum intensity of a stimulus at which it can be detected by an individual at least 50% of the time.