what is wrong with my script?

A =

0.1270 0.2785 0.1576 0.1270

0.9134 0.5469 0.9706 0.9134

0.6324 0.9575 0.9572 0.6324

0.0975 0.9649 0.4854 0.0975

A(2:4,2:4)

ans =

0.5469 0.9706 0.9134

0.9575 0.9572 0.6324

0.9649 0.4854 0.0975

Ques: Why the answer is not according to what i believe i.e.,

2R2C 4R4C 0.5469 0.0975

4R2C 4R4C 0.9649 0.0975

Answer 1

[Adam]

2:4

means

[2, 3, 4]

A( [2 4], [2 4] )

would give what you want.