Package index

Building a model

model()

Create an empty model

num_var() int_var() bin_var() add_var()

Declare decision variables

set_start()

Start the next search from a known solution

minimize() maximize()

Set the objective

add()

Add constraints to a model

expressions

Expressions: arithmetic on variables

sum() prod() max() min()

Sums, products, maxima and minima

holds()

A comparison as a 0/1 expression

Uncertain data

stochastic

Optimization under uncertainty

rand_var() add_rand_var()

Declare a random variable

set_distribution()

Give a random variable its distribution

set_scenarios()

Set how many scenarios are drawn, and from which seed

set_empirical()

Use observed data as a model's uncertainty

distribution() normal() uniform() exponential() bernoulli()

Distributions for random variables

empirical()

A random variable given by a sample

expectation()

The average over the scenarios

cvar()

The average over the worst scenarios

prob()

The probability that a comparison holds

variance() std_dev()

The variance and the standard deviation over the scenarios

scenario_max() scenario_min() scenario_quantile()

The largest, the smallest and a quantile over the scenarios

is_random()

Does an expression vary across scenarios?

Orderings, groups and lookups

perm_var() add_perm_var()

Declare an ordering as a decision

item_at() slot_of()

The item in a slot, and the slot of an item

precede()

Require one item to come before another

part_var() add_part_var()

Divide items into groups as a decision

part_of() size_of()

The part of an item, and the size of a part

lookup_table() `[`(<quicopt_table>)

A table of data indexed by decisions

Minimum loads, fees and blocks

active()

Whether a variable is in use

block()

Group the variables of a subproblem

Solving and checking a solution

solve_model() solve(<quicopt_model>)

Solve a model

submit()

Solve a model without waiting

job_status() job_result() job_log() job_delete()

Follow up a submitted job

evaluate()

Compute a quantity at a given solution

resample()

Check a solution on new scenarios

DEFAULT_BASE_URL

The address of the public Quicopt service

Building a program by hand

program()

A model as plain data

CONTINUOUS INTEGER BINARY SEMICONTINUOUS SEMIINTEGER var_decl()

A decision variable, for building a program by hand

index_set()

An index set, for building a program by hand

constraint()

A constraint, for building a program by hand

zero() nonneg() indicator()

Constraint sets, for building a program by hand

parametric()

A random variable with a distribution, for building a program by hand

permutation_decl()

A permutation, for building a program by hand

partition_decl()

A partition, for building a program by hand

ir_const() ir_param() ir_var() ir_apply() ir_reduce() ir_source_ref() ir_struct_ref() ir_table_ref() ir_set_ref()

Expression nodes, for building a program by hand

wire

The bytes sent to the service

encode()

Encode a model as the bytes the service reads

encode_params()

Encode parameter tables on their own

as_program()

Convert a model to a program