TStat - O F F I C I A L

SOFTWARE/LINGO 13.0

della Lindo Systems Inc.
distribuito in esclusiva in Italia da TStat S.r.l.

Built-In Functions

MATHEMATICAL FUNCTIONS

Absolute value

Powers of e

Natural logarithms

Log-Gamma

Check numeric sign

Modulo

Sine

Cosine

Tangent

Power

Square

Square root

Maximum

Minimum

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

SET FUNCTIONS

Generate set of
constraints

Summation

Return the number of elements

Return minimum or
maximum element

Test for set membership

INTEGER/
DOMAIN FUNCTIONS

Restrict variables to be
General Intege

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

FINANCIAL FUNCTIONS

Present value

Present value of an annuity

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

Warn

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