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View:  Topic list, Topic summary Topics 1 - 10 of 20431  Older »
Description: Discussion about Forth.
 

evplace (eigenvalue placement) 
  I wanted to compute a state-feedback matrix K such that the eigenvalues of Phi-Gamma*K are those specified in a vector P. Phi and Gamma are defined as dx/dt = Phi*x + Gamma*u, with x the state variables and u the inputs of some system. The subproblem that caused me some unexpected headache was... more »
By Marcel Hendrix  - Jun 4 - 2 new of 2 messages    

OT: Staffordshire 
  Have any heard of alien sitings in Staffordshire? Steve
By Steve Graham  - Jun 4 - 3 new of 3 messages    

MultiTaskingClass.f released 
  I just released MultiTaskingClass.f This is an update of the previous MultiTask.f Changes in the MultiTaskingClass.f: - Moved the task-block out of the dictionary for the taskobjects - Added cells+@ cells+! #ActiveTasks: task>cfa task>&StkParams and the waitobject wTask including a demo for wTask.... more »
By Jos Ven  - Jun 4 - 1 new of 1 message    

www.prevayler.org say you wanted a database, which logged updates to disk 
  and then you could write whole database to disk every so often how would you concoct this using forth? you would need to get web requests and run queries against the data in ram so you have fast queries and then log any data updates first to logfiel followed by the data structures in ram if cash read in last database dump and rerun logfile updates against... more »
By quiet_lad  - Jun 3 - 3 new of 3 messages    

post your solution to this problem 
  take NBA box score, and return: point/(fg+(ft/2)) first name last name sorted decreasing
By quiet_lad  - Jun 3 - 17 new of 17 messages    

more little development boards 
  These use the Atmel Atmega32u4, an 8-bit micro with 32k flash, 2k ram, 1k EEPROM, 2 cycle 8x8->16 multiplier, a/d-d/a, gpio's, etc. An interesting feature is a USB client port built directly into the chip. It runs at 16 mhz and as such is probably a bit slower than an MSP430 and it costs more too, but there are some nice small relatively cheap... more »
By Paul Rubin  - Jun 2 - 8 new of 8 messages    

ANN: Update of libX11 files for kForth 
  There has been a significant update of the X11 library interface files for kForth. If you are playing with X11 programming in kForth, please ensure you have the latest versions of the files at [link] Revisions include: -- Addition of the file Xutil.4th (provides additional data structures... more »
By Krishna Myneni  - Jun 2 - 3 new of 3 messages    

CFP - DEIS2012 - Czech Republic - SDIWC 
  Dear Colleagues, We are inviting you to join and participate in the upcoming conference that will be held in Czech Republic. This will able to build connections among researchers in the field of digital applications. Please spend some time to overview the research topics. Below are the conference information. If you have any questions, you... more »
By sdiwc conferences  - May 31 - 1 new of 1 message    

Another take on a typed tester 
  [link] I wrote this back in November, and then promptly forgot about it until a couple of days ago when I needed to test some string manipulation words. It seems to be complete. I banged on it for an hour or so and it doesn't seem to be brittle the way my last try (2008 sometime?) was. So... more »
By Josh Grams  - May 30 - 1 new of 1 message    

compile to ram compile to flash 
  Hi. Is there a comon used notaion or name for a forth word to redirect compilation memory segments? So compilation of new definitions may go into RAM intstead of flash memory for example? MSP430 intructions execute in both memory segments, RAM and flash alike. So I would like to test compile to RAM, and when definition is... more »
By Michael  - May 29 - 9 new of 9 messages    

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