Jean-Marc Baillard is a (HP-41) Genius!!!



#2

In the last few weeks I have been looking at various algorithms for solving polynomials. Our own museum web site contains routines developed by Jean-Marc Baillard that handle the roots of polynomials with real and complex coefficients. I have been working with Matlab (as the first language to implement various polynomial root seeking methods) and realize that some techniques are not easy to implement. Yet when I look at the work of Jean-Marc Baillard it is beyond amazing! Today I found on TOS his (new?) JMB Matrix ROM which handles matrices and polynomials. Some the ROM's routines are the same/similar to Baillard's posting on this web site. With the ROM module loadable in the HP41CX software, you don't have to type the code! It does not get any better!!

So, Jean-Marc if you visit this museum site often, I want you to know the very high level of esteem I hold you and your work, making the HP41C perform tasks not so easily suited for it, especially with complex math.

Your humble fan, Namir

PS: The JMB ROM is based on Baillard's initials. If his name was something like Jean Irene Marie Bailliard Obergonois ... his ROM would be JIMBO ROM ..... :-) .... sorry could not help myself!


Edited: 29 Aug 2010, 5:00 p.m.


#3

Hi Namir,



Thank you for all these appeciations !

I must also say that these new ROMs

have been put together by Angel Martin,

and they wouldn't exist without his huge job !



I'll try to continue to write programs

for our fantastic HP-41s.



Best wishes,

Jean-Marc.


#4

Looking forward to seeing more HP-41C from you. Also hope to see HP-42s since it can handle matrices and complex numbers more easily than the HP-41C.

Namir

#5

Quote:
PS: The JMB ROM is based on Baillard's initials. If his name was something like Jean Irene Marie Bailliard Obergonois ... his ROM would be JIMBO ROM ..... :-) .... sorry could not help myself!

The acronym would be more appropriate if the first name were Jacques instead of Jean, since Jacques is the French equivalent of James. By the way, have you ever heard of GW Basic? :-)

Regards,

Gerson.


#6

GW-Basic ... very funny! Does Gates pay you any royalties?

I see the reference about Jacques instead of Jean. I was thinking about the initials adding up to JIMBO.

:-)

Namir

Edited: 29 Aug 2010, 10:15 p.m.


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