This is a secondary symbol for any generic variable. It can hold any value, whether that be an integer or a real number, or a complex number, or a matrix etc.
This is a secondary symbol for any generic variable. It can hold any value, whether that be an integer or a real number, or a complex number, or a matrix etc. It used when you want to represent some value which is really quite general in the context of an equation.
A secondary symbol for any generic variable, denoted by the symbol \(y\). It can hold any value, whether that be an integer or a real number, or a complex number, or a matrix etc. It used when you want to represent some value which is really quite general in the context of an equation. It is often used as an output variable of a function.