what does this code represents

A(1:2,3)

Answer 1

[Alan Stevens]

First two rows of third column of matrix A. For example

A =

    0.8147    0.0975    0.1576    0.1419    0.6557
    0.9058    0.2785    0.9706    0.4218    0.0357
    0.1270    0.5469    0.9572    0.9157    0.8491
    0.9134    0.9575    0.4854    0.7922    0.9340
    0.6324    0.9649    0.8003    0.9595    0.6787

>> A(1:2,3)

ans =

    0.1576
    0.9706