lambda function with if statement

How do I make the following function work for X. I want to be able to write lambda functions with an if clause.

X = @(om) (if abs(om)<1; 1; else 0; end)

Answer 1

[Erivelton Gualter]

You can use the following line of code:

X = @(om) (1*(abs(om)==1) + 0*(abs(om)~=1));

Answer 2

[NIMMALA HARATHI]

[X, lambda] = eig(A)

Answer 3

[saideh zare]

Unrecognized function or variable 'lambda'.