accessing particular parts of an array

i'm just wondering how i can refer to particular values within arrays. so if i had

x=[0,1,2,3,4];
y=x^2;

Then for whatever reason - maybe after a few more lines of code - i wanted to refer back to individual parts of the y array - how would i do that?

[Matt Fig]

i'm just wondering how i can refer to particular values within arrays. so if i had

x=[0,1,2,3,4];
y=x^2;

Then for whatever reason - maybe after a few more lines of code - i wanted to refer back to individual parts of the y array - how would i do that?

Answer 1

[Andrew Newell]

See Matrix indexing in MATLAB.

[Tom]

Many thanks.