THE MATHWORKS INTRODUCES STATISTICS TOOLBOX FOR MATLAB

Combines Innovative GUI Tools with Technical Computing Environment for Data
Analysis

NATICK, Mass., October 18, 1993--The MathWorks, Inc. today announced the
availability of the MATLAB Statistics Toolbox, a suite of statistical
techniques for use by engineers and scientists for modeling and data
analysis.

The Statistics Toolbox combines high-level interactive graphic tools and
statistical functions with MATLAB's robust mathematical computation and
scientific visualization environment. Key supported statistical
functionality includes data analysis, probability modeling, and Monte
Carlo simulation.

Interactive 'GUI (Graphical User Interface) Tools' for analyzing results
are a distinctive feature of the Statistics Toolbox. Instead of using
graphics to simply display data as static tables and plots, the MATLAB GUI
Tools enable users to interactively change settings and parameter values
by clicking and dragging the mouse while simultaneously viewing the
changing digital display of the function values at any point.

The Statistics Toolbox includes MATLAB functions for descriptive,
inferential, and graphical statistics and linear models, including:

- GUI-based interactive analysis tools
- Poisson, normal, binomial, and 11 other probability
  distributions
- Random number generators for Monte Carlo simulation
- Box plots, quantile-quantile plots, and normal probability
  plots
- Descriptive statistics to summarize a data sample
- Regression, analysis of variance, and polynomial prediction
- Interactive contour plotting

The Statistics Toolbox is open and extensible, enabling users to view and
modify algorithms implemented in the toolbox. Users can interactively
apply the techniques in the Toolbox or develop new ones in MATLAB's
easy-to-use programming environment.

With MATLAB's language and open architecture, Statistics Toolbox users can
rapidly prototype large analytical systems using statistics functions.
Using the Toolbox, technical professionals can simulate and quantify the
performance of random components in systems and processes, find the best
of several alternatives, determine whether a change has occurred and
predict the result of a change in a system. These applications are
relevant in a number of areas, but are particularly useful in the
semiconductor, discrete manufacturing, telecommunications, automotive,
food processing, and pharmaceutical industries.

MATLAB is the most powerful technical computing environment on the market
today. It provides numeric computation software, advanced graphics, a
high-level programming language, and application-specific toolboxes that
allow users to analyze and visualize data, analyze and optimize
engineering systems designs and algorithms, and create mathematical
models. Specific functionality includes object-oriented graphics, sparse
matrix support, sound output, graphical user interface controls and
hundreds of other math and graphics operations.

Pricing for the Statistics Toolbox begins at $295 for single-user
microcomputer licenses. Quantity and educational discounts are available.

The Toolbox, which requires MATLAB 4.0, will ship on all MATLAB 4.0
platforms, including: 386/486 PCs running MS-Windows, Macintosh, Sun
SPARC, Hewlett-Packard Series 700, IBM RS/6000, Silicon Graphics, and DEC
Ultrix and Alpha/AXP Systems.

The MathWorks Inc., based in Natick, Mass., develops, markets and supports
high-performance software for interactive numeric computation,
visualization, and dynamic system simulation. The MathWorks' products are
relied upon by more than 150,000 users at the world's leading commercial
and government research laboratories and organizations, and educational
institutions.

The MathWorks, Inc, 24 Prime Park Way, Natick, MA 01760
508-653-1415,  fax 508-653-2997

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