pos function

Elementwise Positive

The elementwise positive portion of an expression, $\max(x_i,0)$. This is equivalent to max_elemwise(x,0). methods

pos(x)

Arguments

• x: An Expression , vector, or matrix.

Returns

An Expression representing the positive portion of the input.

Examples

x <- Variable(2)
val <- matrix(c(-3,2))
prob <- Problem(Minimize(pos(x)[1]), list(x == val))
result <- solve(prob)
result$value