MATHEMATICAL FUNCTIONS

Absolute value

Powers of e

Natural logarithms

Log-Gamma

Check Numeric sign

Modulo

Sine

Cosine

Tangent

Power

Square

Square root

Maximum

Minimum

 

FINANCIAL FUNCTIONS

Present value

Present value of an annuity

 

INTEGER/DOMAIN FUNCTIONS

Restrict variables to be General Integer

Restrict variables to be Binary Integer

Set upper and lower bounds on variables

Remove upper and lower limits on variable

 

DATA IMPORT/EXPORT FUNCTIONS

Read data from text files and popular database and spreadsheet applications

 

SET FUNCTIONS

Generate set of constraints

Summation

Return the number of elements

Return minimum or maximum element

Test for set membership

 

PROBABILITY FUNCTIONS

Cumulative Distribution

Cumulative FDistribution

Cumulative t

Cumulative Hypergeometric

Cumulative Binomial

Cumulative Chi-squared

Cumulative Poisson Distribution

Cumulative Normal

Unit normal linear loss

Linear loss for Poisson

Erlang loss, Erlang busy

Finite Source Poisson

Random and Quasi-random Number Generators

 

INTERFACE FUNCTIONS

Include data from external text files

Open ODBC links between LINGO and databases

Move data and solutions back and forth from Excel using OLE based transfers

Transfer data directly through shared memory locations with the Dynamic Link Library (DLL).

 

REPORT FUNCTIONS

Dual value

Format

Return total number of iterations required to solve the model

Allowable decrease on a specific variable’s objective coefficient or on a specified row’s right-hand side

Status of the solution process

Write solution and sensitivity information to text, database and spreadsheet files

 

MISCELLANEOUS FUNCTIONS

IF

Warn