# How To Index An Element Of A Vector In MatLab(Illustrated Explanation)

In general, matrices are used in mathematical calculations in Matlab. Also you can obtain vectors according to your purpose in Matlab. For example if you have a vector that includes your various numbers inside it, you could have requirement for taking a specific number to use it in an another mathematical calculation in Matlab which is called indexing. So in this text we will show you how to index a number from a vector by showing a basic example below in Matlab.

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### How To Index A Number Of A Vector In Matlab?

As you can see above, we created a vector by using linspace command that includes 15 elements inside it. For example we want to take the fifth element of this matrix than multiply with 5 in Matlab. As you can see above, it is very basic to do it. Only type v then write the which element that you want to use inside pharanthesis right after that.

It is very basic to do in Matlab like that. But sometimes this method could very important in some mathematical calculations. Think about a situation that you obtained your experiement results as a vector. And you want to apply a specific value inside your experiment to a formula. You could simply index this value from your vector then obtain your mathematical calculation in Matlab.