**Today's Topics:**

- Private enterprise or the demise of matlab
- Position At Intel Scientific Computers
- Fourth Haifa Matrix Conference
- 7-POINT-STAR
- Computational Math at SIGGRAPH

Date: Tue, 30 Jun 87 11:14:08 -0200

From: Axel Ruhe <ruhe%chalmers.se@RELAY.CS.NET>

To: na@SCORE.STANFORD.EDU

Matlab is a simple interactive system built up on the LINPACK

and EISPACK routines for matrix computations, which has been

a favourite tool for researchers in this area. Its popularity

depends on three factors: it is there, everybody else uses it, and

it gives easy access to powerful algorithms whose FORTRAN

subroutines are nontrivial to call.

Another reason for the proliferation of Matlab was that it was

public domain, distributed in a chain letter fashion from

University of New Mexico and promoted cheerfully by

Cleve Moler and others. You needed a few hours to get your

neghbours tape to run on your own computer.

But now, when many people are addicted the scene is changing.

The program grows and becomes machine dependent and the

developers decide to make it private domain. They decide that

all distributions should be done directly from them, and that

the program for one machine should not be run on another.

I work on a big school which is well prepared to pay for commercial

software, so this is not my main complaint. My problem is that

there is no dependable distribution any longer. My story is

about the following:

August 86, Cleve asks me if I want the new matlab and I say yes.

Oct 86, letter to Math Works

Winter 86-87, It is found out that MW has only VMS version no

UNIX as we want.

March 87, We order a SUN version since that seemed to be the

ccommon ground when it comes to hardware.

April 87, Now everything operates fast, we exchange telegrams

on different details. (MW are of course not on e-mail).

May 1, I sign multitudes of contracts and promise to pay MW

hell of a lot just to get it.

May 25, Now I get a letter from MWs European agent offering me

matlab at a 20% higher prize. They have yet to learn that

VMS and UNIX are different operating systems.

June 10, Bingo there is a tape waiting in the Swedish customs

but they do not have proper invoices and things from MW

so they cannot decide on whether they should add 23.46%

VAT on what.

June 30, And now the tape is here.

I personally should prefer to see all software public when it

comes to use in research and education. If one feels the need

of making money, and does not have a big commercial user

community around ( Like those FEM engineers), one should state

that from the beginning. We have seen others that have managed

reasonable well at that, say SPARSPAK of Alan George, and SIMNON/

ITPACK from Astrom in Lund, and also distribute on time.

Why not use netlib. It has given us droves of software in few

hours. Or IMSL or NAG which know how to mail tapes.

Axel Ruhe

Department of Computer Science

Chalmers University of Technology

S-41296 Goteborg

Telephone int-46-31721096

------------------------------

Date: Tue, 7 Jul 87 08:22:16 pdt

From: David Scott <dscott%isc.intel.com@RELAY.CS.NET>

Posted-Date: Tue, 7 Jul 87 08:22:16 pdt

To: na.dis@SCORE.STANFORD.EDU

The Applications Research Group at Intel Scientific Computers

is seeking an expert in numerical analysis and mathematical software.

The position is permanent and is available immediately.

Applicants should have:

A PhD. in Mathematics, Computer Science, or an application area.

Experience in numerical computation and FORTRAN programming.

Experience with parallel computing in general and the Intel hypercube

in particular is valuable but not required.

The job consists of:

Performing research on the characteristics and the performance of

Intel Hypercubes.

Presentation of results at meetings and in professional journals

Function as expert users in interactions with the engineering and

marketing departments

Provide limited consulting services to chosen external software

developers.

Anyone interested in this position can contact me at

David S. Scott

Phone: (503) 629-7676

Email: na.dscott@score.stanford.edu

USmail: Intel Scientific Computers

15201 NW Greenbriar Pkwy

Beaverton, OR 97006

Intel is an equal opportunity employer.

------------------------------

Date: 12 July 1987, 17:03:50 IST

To: NA list < na@score.stanford.edu >

From: Danny Hershkowitz < MAR23AA%TECHNION.BITNET@wiscvm.wisc.edu>

The Fourth Haifa Matrix Conference - First Announcement.

=======================================================

We are planning to run the Fourth Haifa Matrix Conference at the

Technion - Israel Institute of Technology, Haifa, Israel, on January

4-6, 1988.

We hope that a substantial group of interested mathematicians will

attend the conference, although it is unfortunately unlikely that we

shall have funds to help with expenses since at present there is no

budget for the conference. The organizers will be glad to help find

accommodation and to assist with the local arrangements.

Please let us know soon whether you can attend the conference.

Also, we would appreciate it if you could share the above information

with collegues of you who might be interested in the conference.

Sincerely yours,

Abraham Berman Daniel Hershkowitz Leonid Lerer

ORGANIZING COMMITTEE - FOURTH HAIFA MATRIX CONFERENCE, 1988

e-mail address: MAR23AA @ TECHNION (bitnet).

Letters Address:

Mathematics Department

Technion - I.I.T.

Haifa 32000

Israel

------------------------------

Date: Tue, 14 Jul 87 12:05:20 +0200

Posted-Date: Tue, 14 Jul 87 12:05:20 +0200

From: Syvert Norsett <norsett%vax.runit.unit.uninett@NTA-VAX.ARPA>

To: na@score.stanford.edu

I am working with problems from oil simulation. In that connection we are

interested in solving linear systems coming from the use of the 7-point

star. My question is: What is done for vector machines in that case. In other

words, direct solvers for almost symmetric seven-diagonal matrices. All

information is welcome!

Send information to : norsett@vax.runit.unit.uninett

------------------------------

Date: Tue, 14 Jul 87 13:09:01 PDT

From: Arnon.pa@Xerox.COM

To: NA@SCORE.STANFORD.EDU, sym-list%smu.csnet@RELAY.CS.NET

Environments for Computational Mathematics

Special Interest Group Meeting @ ACM SIGGRAPH Conference

Thursday, July 30, 1987, 1:15pm - 4:30pm

Pacific Room A, Anaheim Convention Center (Los Angeles, California)

FINAL PROGRAM

1:15-3:45pm: 10 Talk/Demos, 15 minutes each

1. "The MathCad System: a Graphical Interface for Computer Mathematics",

Richard Smaby, MathSOFT Inc.

2. "MATLAB - an Interactive Matrix Laboratory", Cleve Moler, MathWorks

Inc.

3. "Milo: A Macintosh System for Students", Ron Avitzur, Free Lance

Developer, Palo Alto, CA

4. "MathScribe: A User Interface for Computer Algebra systems", Kamal

Abdali, Tektronix Labs

5. "INFOR: an Interactive WYSIWYG System for Technical Text" , William

Schelter, University of Texas

6. "Iris User Interface for Computer Algebra Systems", Benton Leong,

University of Waterloo

7. "CaminoReal: A Direct Manipulation Style User Interface for

Mathematical Software", Dennis Arnon, Xerox PARC

8. "Domain-Driven Expression Display in Scratchpad II", Stephen Watt,

IBM Yorktown Heights

9. "Internal and External Representations of Valid Mathematical

Reasoning", Tryg Ager, Stanford University

10. "Presentation and Interchange of Mathematical Expressions in the

Andrew System", Maria Wadlow, Carnegie-Mellon University

4:00-5:00 pm Panel Discussion: Integrated Documentation/Computation

Systems

Richard Fateman, University of California-Berkeley [MACSYMA Algebra

system developer]

Richard Jenks, IBM Yorktown Heights [Scratchpad Algebra system

developer]

Michael Spivak, Personal TeX [Mathematician, author of "The Joy of TeX"]

Ronald Whitney, American Math Society [Head of Composition Dept at the

AMS]

5:00-10:00 pm Open Demos and Discussions

--------------------------------------------------------------

For further information, contact:

Dennis S. Arnon

Computer Science Laboratory

Xerox PARC

Palo Alto, California 94304

(415) 494-4425

ARNON.PA@XEROX.COM

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End of NA Digest

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