Get or set the value of a variable, parameter, expression, or problem.
value(object)
value(object) <- valueA Variable, Parameter, Expression, or Problem object.
A numeric scalar, vector, or matrix to assign to the object.
The numeric value of the variable, parameter, or expression. If any part of the mathematical object is unknown, return NA.
lambda <- Parameter()
value(lambda)
#> [1] NA
value(lambda) <- 5
value(lambda)
#> [,1]
#> [1,] 5