Variable scope, MATLAB in Engineering

Variable Scope:

The scope of any of variable is the workspace in which it is valid. The workspace generated in the Command Window is known as the base workspace.

As we know, when a variable is defined in any function it is a local variable to that function, that means that it is known and is used only within that function. For illustration, in the function below which computes the sum of the elements in a vector, there is a local loop variable i.

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