"lady firmament" <ladyfirmament@gmail.com> wrote in message
news:ka3ihh$t9$1@newscl01ah.mathworks.com...
> Hi!
> Dear,
> What is causal and acausal low passed filter. What is their usage and
> purpose.
> Please kindly .
These sound more like general signal processing questions, not directly
related to MATLAB. You should ask them on a signal processing newsgroup like
comp.dsp (available via Google Groups if you don't have access to another
news server that carries it.)
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Steve Lord
slord@mathworks.com
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