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- 21.10.2013, 17:16. Larissska в теме
«Репетитор английского и французского»
... field of your wishful practice so i could prepare some interesting materials or if you already have the topics...
- 06.04.2013, 00:44. Selentin. в теме
«Science is intersting»
... сегодня был дан старт некоммерческому проекту science is interesting цель предоставление всем желающим интересных...
- 03.08.2012, 23:09. login в теме
«Поконсультируйте заграничного человека»
ikarus i think this link might be interesting to you http timurku livejournal com 20803...
- 29.02.2012, 11:13. Наталья Остапенко в теме
«Роль в Microsoft для выпускников 2011 - 2012 гг»
... business value of complex microsoft solutions are you interesting in joining a team of senior technology...
- 24.01.2012, 15:59. obs в теме
well english wikipedia it s interesting to read articles especially when there...
- 12.09.2011, 21:51. mr.Trololoface в теме
«How do you learn language ?»
... rule most of articles in english wiki are much more interesting and meaningful than their analogues in...
- 12.09.2011, 18:15. obs в теме
«How do you learn language ?»
... read articles from english wikipedia i think it s interesting there are a lot of articles which russian...
- 09.04.2011, 21:38. Кот Шрёдингера в теме
«Poetry in English»
... life greatly pushed the throttle-pedal i met some interesting guys they were very-very nice as bright...
- 22.03.2011, 23:42. obs в теме
«The English Language - just in case you are interested»
... and we practiced oral english a lot i think it was interesting too of course we did homework but it was...
- 11.11.2010, 01:06. Chameleon в теме
«Maxima на Corum'е»
... overcome problems that inhibited the solution of many interesting problems the lisp machine clearly had to support macsyma the largest lisp program of the day and the effort paid off with probably the best environment for macsyma to date although requiring something of an expert perspective lisp machines as well as other special purpose hardware tended to become slow and expensive compared to off-the-shelf machines built around merchant-semiconductor cpus and so the two companies that were spun off from mit symbolics inc and lmi both eventually disappeared texas instruments built a machine called the explorer bases on the lmi design but also stopped production around 1980 the idea of porting macsyma began to be more interesting and the unix based vaxima distribution which ran on a lisp system built at the university of california at berkeley for vax unix demonstrated that it was both possible and practical to run the software on less expensive systems this system franz lisp was implemented primarily in lisp with some parts written in c once the code stabilized the new version opened up porting possibilities ultimately producing at least six variations on the theme which included macsyma maxima paramax paramacs punimax aljbar and vaxima these have followed somewhat different paths and most were destined to fade into the sunset the two which survived obscurity maxima and macsyma we will discuss below punimax was actually an offshoot of maxima some time around 1994 bruno haible author of clisp ported maxima to clisp due to the legal concerns of richard petti then the owner of the commercial macsyma the name was changed to punimax it has not seen much activity since the initial port and although it is still available the ability of the main maxima distribution to compile on clisp makes further development of punimax unlikely there is a certain surprising aspect in this multiplicity of versions and platforms given how the code seemed tied to the development environment which included a unique operating system fortunately berkeley s building a replica of the maclisp environment on the mit-ml pdp-10 using tools available in almost any unix c environment helped solve this problem complicating the matter was the eventual demise of the pdp-10 and maclisp systems as common lisp resembling lisp-machine lisp influenced by bbn lisp and researchers at stanford carnegie mellon university and xerox began to take hold it seemed sensible to re-target the code to make it compatible with what eventually became the ansi common lisp standard since almost everything needed for for macsyma can be done in ansi cl the trend toward standardization made many things simpler there are a few places where the language is not standardized in particular connecting to modules written in other languages but much of the power of the system can be expressed within ansi cl it is a trend the maxima project is planning to carry on to maintain and expand on this flexibility which has emerged with all these versions in recent history there are two which have been major players due this time more to economics than to code quality 1982 was a watershed year in many respects for macsyma it marks clearly the branching of macsyma into two distinct products and ultimately gave rise to the events which have made maxima both possible and desirable mit had decided with the gradual spread of computers throughout the academic world to put macsyma on the market commercially using as a marketing partner the firm of arthur d little inc this version was sold to the symbolics inc which depending on your perspective either turned the project into a significant marketing effort to help sell their high-priced lisp machines or was a diversionary tactic to deny their competitors lmi this program at the same time mit forced uc berkeley richard fateman to withdraw the copies from about 50 sites of the vax unix and vax vms versions of macsyma that he had distributed with mit s consent until some agreement could be reached for technology transfer symbolics hired some of the mit staff to work at symbolics in order to improve the code which was now proprietary the mit-ml pdp-10 also went off the arpanet in 1983 interestingly the closing of the mit lisp and macsyma...