How can write in MATLAB the following expression?

|0>=1

0

0

|1>= 0

1

0

[Jan]

Without any explanations the readers have to guess, what this should mean. This is not a useful way to ask a question. Please read: How to ask a good question .

Answer 1

[Alan Stevens]

Try

ket0 = [1; 0; 0]
ket1 = [0; 1; 0]