Causal LTI system

convolution sum for causal LTI

[mhashimshahzad]

Moral of the story; the upper limit for the sum or the integral must be n (and not greater than n, i.e. infinity) for it to be causal!

[Ammar.youtube]

The system y(n)=x(n)+x(-n) is system
Linear causal
Nonlinear causal
Linear noncausal
Nonlinear noncausal

[nagarajbenakanbenakan]

example with explanation of lti system how to find out the causality memory less properties