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isfir
Verify if filter System object is FIR
Syntax
Description
determines whether the filter System object™ is an FIR filter. If the filter is an FIR filter, flag
= isfir(sysobj
)isfir
returns 1
.
To determine whether sysobj
is an FIR filter, the
isfir
function inspects if the filter in the transfer function form
has a scalar denominator. If it does, it is an FIR filter.