filfil's airspace

Transmission line equations
Powers and roots of complex numbers
Exponentiation of real numbers to real exponents
Proof that the set of all vectors with one strictly positive real entry is a vector space
Proof that ideal filters are not physically realizable

Proof that ideal filters are not physically realizable

Statement
Proof
References

Proof that ideal filters are not physically realizable #

Statement #

Proof #

References #

https://en.wikipedia.org/wiki/Sinc_filter#Unrealizable

Statement
Proof
References