Reciprocal Function — inv

The elementwise reciprocal function, \(\frac{1}{x}\)

inv_pos(x)

Arguments

x: An Expression, vector, or matrix.

Value

An Expression representing the reciprocal of the input.

Examples

A <- Variable(2,2)
val <- cbind(c(1,2), c(3,4))
prob <- Problem(Minimize(inv_pos(A)[1,2]), list(A == val))
result <- solve(prob)
result$value
#> [1] 0.3333333