neg function

Elementwise Negative

The elementwise absolute negative portion of an expression, $-\min(x_i,0)$. This is equivalent to -min_elemwise(x,0). methods

neg(x)

Arguments

• x: An Expression , vector, or matrix.

Returns

An Expression representing the negative portion of the input.

Examples

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