Time-Invariance
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% z transform
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% fourier transform pair
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\newcommand{\iftp}{ ~~ \mathop{\mathcal{F}^{-1}}\limits_{\longleftrightarrow} ~~ }
% laplace transform
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% change of coordinate matrix (linear algebra)
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% Transformed vector set
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% sum transformed vector set
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% vector norm
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%Category Names:
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