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THE MATHWORKS INTRODUCES MATLAB VERSION 4.0; MATH SOFTWARE REDEFINING SCIENTIFIC VISUALIZATION

 THE MATHWORKS INTRODUCES MATLAB VERSION 4.0;
 MATH SOFTWARE REDEFINING SCIENTIFIC VISUALIZATION
 NATICK, Mass., Dec. 9 /PRNewswire/ -- The MathWorks Inc. today introduced MATLAB Version 4.0, vastly expanding the scope of scientific visualization and the ability of engineers, scientists, and mathematicians to quickly visualize and explore data and mathematical models.
 In a single, easy-to-use integrated environment, MATLAB v. 4.0 merges the industry's most powerful numeric computation software and extensive family of application-specific toolboxes with outstanding new graphics capabilities. This unique combination of robust numerical techniques and advanced graphics allows users to analyze and visualize data; prototype, analyze, and optimize engineering system designs and algorithms; explore new concepts in scientific research; create mathematical models and solve systems of equations; and perform general engineering and scientific computations -- all in a single package.
 Also new in MATLAB v. 4.0 are sparse matrix support to accelerate solving of large problems; flexible file I/O for easy data import and export; additional debugging tools to facilitate use of the MATLAB fourth-generation programming environment; and sound output, providing another method of analyzing and interpreting data sets, particularly for signal processing applications.
 "This release of MATLAB merges serious numeric computation software with enhanced graphics capabilities to bring scientific visualization to a new level. The end goal of most users is understanding. MATLAB 4.0 provides the tools that let the users analyze and interpret their data and mathematical models visually and numerically; the result is a greater depth of understanding, not just pretty pictures," says John N. Little, The MathWorks president and chief executive officer. Expanded Graphics Capabilities
 With more than 100,000 users solving numerical problems of all sizes every day, MATLAB is already established as one of the fastest, easiest to use, and most accurate interactive environments for numeric computation. With MATLAB's new graphics capabilities, users can more clearly visualize the results of the computations.
 Users can create color 3-D surfaces, mesh plots, contour plots, scatterplots, data trajectories, and images, using rectangular, spherical, and general parametric coordinate systems. Graphics can be animated to clearly show changes in relation to time or another variable. Lighting sources and colors can be specified to enhance details in the data and make interpretation easier. Sparse Matrix Support
 The new sparse matrix support in MATLAB enables users to solve problems involving hundreds and thousands of variables quickly and with more efficient memory use.
 Without the sparse matrix functionality, the time required to compute a solution is dependent upon the total number of elements in the matrix defining the system. Now computation time is defined by the number of non-zero elements in the matrix. Sparse matrix computation is particularly powerful for solving larger problems in finite element analysis, econometric models, partial differential equations, and any other system with sparse connectivity patterns. New Debugging Tools
 The additional debugging capabilities in MATLAB v. 4.0 simplify the process of prototyping and creating functions and scripts in MATLAB. These capabilities are particulary important for users taking advantage of MATLAB's powerful programming language to create customized tools for specific applications. The debugging features, combined with MATLAB's succinct syntax and interactive execution, eliminate the time-consuming programming/compiling/debugging iterations of writing programs in Fortran, C, and other traditional languages.
 New debugging functions include break-point control, the ability to change local workspace context during debugging, and the ability to step through MATLAB file execution line by line. Flexible File I/O
 MATLAB's new flexible file I/O capabilities enable users to import and export data with ease from any arbitrary file format. Users can exchange data easily between different software packages or analyze archived data regardless of how it is stored. MATLAB Toolboxes Extend MATLAB Functionality
 MATLAB Application Toolboxes extend the MATLAB software by adding specialized functions for particular applications including digital signal processing and filter design, control system design and analysis, parametric modeling, optimization, spline analysis, system simulation, chemometrics, and other areas. The toolboxes are created by renowned experts in their respective fields and represent theory and algorithms at the cutting edge of scientific and engineering research. Configuration, Pricing, Availability
 MATLAB v. 4.0 will be available in the first quarter of 1992, initially under X Windows System on Workstations incuding the Sun SPARC; HP9000/300, 400 and 700; IBM RS/6000; DECstation under ULTRIX; and Silicon Graphics. It can be networked in heterogeneous network environments, enabling users to share data files and user-written functions across platforms without converting or recompiling. The single-user price in the U.S. is $2,995. Quantity and educational discounts and floating network and multi-user licensing are available.
 The MathWorks, Inc. develops, markets, and supports high-performance software for interactive numeric computation, data analysis, and system simulation. MathWorks' products are used worldwide by scientists, engineers, analysts, and mathematicians at leading commercial and government research laboratories and organizations including Boeing, General Motors, Eastman Kodak, General Electric, E.I. DuPont, Motorola, Jaguar, Siemens AG, and Hewlett-Packard, as well as at hundreds of educational institutions. The MathWorks' products are distributed throughout the United States, Europe, Canada, and the Pacific Rim.
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 NOTE: MATLAB is a trademark of The MathWorks, Inc. Other products and brand names are trademarks of their respective holders.
 -0- 12/9/91
 /CONTACT: Joanne Dawson of The MathWorks, 508-653-1415; or Mary Maguire of Rourke & Company, 508-777-6006, for The MathWorks/ CO: The MathWorks ST: Massachusetts IN: CPR SU:


DH-DD -- NE002 -- 0436 12/09/91 10:01 EST
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Date:Dec 9, 1991
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