Causal and Noncausal System: A) Causal systems: Definition: A system is said to be causal system if its output depends on present and past inputs only and not on future inputs. Examples: The output of casual system depends on present and past inputs, it means y(n) is a function of x(n), x(n-1), x(n-2), x(n-3)â¦etc.
The culprit in fungal infections of people with diabetes is often Candida albicans. This yeast-like fungus can create itchy rashes of moist, red areas surrounded by tiny blisters and scales. These infections often occur in warm, moist folds of the skin. Problem areas are under the breasts, around the nails, between fingers and toes, in the corners of the mouth, under the foreskin (in uncircumcised men), and in the armpits and groin.
1 The cause is unknown; the perspiration is not due to anxiety or stress. 2  Irritant contact dermatitis: Skin inflammation (redness, swelling, pain, or heat) caused by an irritating substance touching the skin. 3  Soaps, deodorant, alcohol, and dry air may all cause irritant contact dermatitis of the armpit.