How to express this formula in cvx

1

1
This formula is one of the constraints, and I don’t know how to express it in cvx

2

If alpha is a vector variable or expression to be constrained to the continuous interval [0,1], use 0 <= alpha <= 1.

However, if {0,1} actually means that alpha can only takes the value 0 or 1, and not any value in the continuous interval [0,1], you should declare alpha as binary, in which case specifying 0 <= alpha <= 1 is redundant

3

It actually means that alpha can only takes the value 0 or 1 (the each element in the matrix only takes the value 0 or 1). How should I declare each element as binary?

4

If alpha is a k by 1 vector variable:

variable alpha(k) binary

5

Thanks a lot!!!
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