Strictly Proper - Example

Example

The following transfer function:

is proper, because

.

is biproper, because

.

but is not strictly proper, because

.

The following transfer function is not proper (or strictly proper)

because

.

The following transfer function is strictly proper

because

.

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    Our intellect is not the most subtle, the most powerful, the most appropriate, instrument for revealing the truth. It is life that, little by little, example by example, permits us to see that what is most important to our heart, or to our mind, is learned not by reasoning but through other agencies. Then it is that the intellect, observing their superiority, abdicates its control to them upon reasoned grounds and agrees to become their collaborator and lackey.
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