Elementwise Positive

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

pos(x)

Arguments

x

An Expression, vector, or matrix.

Value

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
#> [1] -7.996691e-07