 | | Re: Another matrix inverse question
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(...) Hi Travis, Looking at the java version of your inversion routine I would guess that it will work for almost any 3x3 matrix + 1x3 translation (the 4x3 + 1 form). Where it will have problems is in matrices for which one or more of the (...) (19 years ago, 10-Apr-07, to lugnet.cad)
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| | Re: NEW VERSION! Re: Conversion file for ldraw to ldd
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Hi Mike, Couple of ideas for a couple of the bugs. (...) Did you triy transparent and opaque? (...) Did you try 30039? (...) Tim (19 years ago, 10-Apr-07, to lugnet.cad.ldd)
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| | Re: Using NXT Port 4 EIA-485
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Hi Christian, (...) the RS-485 interface is directly connected to the AT91SAM7S USART, so you can choose the bit rate quite freely. (...) No, it is not necessary, P-Net is just a field bus which seems to be popular in Denmark, there are others which (...) (19 years ago, 10-Apr-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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| | Re: EggArt - a 4-colour Easter egg painting robot
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(...) Wonderful. This is not the typical Mindstorms Printer, of course ^_^ Congratulations David! (19 years ago, 10-Apr-07, to lugnet.robotics.nxt)
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| | Re: Its starting to happen...
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(...) Try flourescent lighting sometime. I'm thoroughly convinced that any focus groups that might have been asked about the bleys vs. greys had to have been shown the different colors under standard cool-white flourescent lighting like you'd find (...) (19 years ago, 9-Apr-07, to lugnet.color)
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| | Re: Set 7029
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(...) ciao,per quanto mi riguarda il set è carino. Mi aggiungo al commento di Willy per i colori. Per la mia costruzione sto finendo i grigi chiari e scuri tipo vecchio e devo passare a quelli nuovi. La differenza è notevole e quelli nuovi sono (...) (19 years ago, 10-Apr-07, to lugnet.org.it.itlug)
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| | Re: Another matrix inverse question
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(...) Sorry about that. I wrote that code so long ago that I forgot that it wasn't a fully general-purpose matrix inversion routine. (Note that it is the way it is so that it will perform better, not because I was too lazy to do the whole shebang.) (...) (19 years ago, 10-Apr-07, to lugnet.cad)
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| | Re: Another matrix inverse question
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(...) I think you've converted Travis' code properly, but just looking at the code, I'd say it's only intended to produce the inverse of the upper-left 3x3 matrix. None of the other rows or the determinant depend in any way on the 4th row, and it's (...) (19 years ago, 10-Apr-07, to lugnet.cad)
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| | Another matrix inverse question
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Hello, I read James Reynolds' question about inverse matrices and the responses with interest since I similar questions about matrix inverses. I used Travis's TCVector::invertMatrix code as the base for a Java function. Other than the change to Java (...) (19 years ago, 10-Apr-07, to lugnet.cad)
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| | Re: NEW VERSION! Re: Conversion file for ldraw to ldd
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(...) I just uploaded my version 1.01e. This is what I have fixed and found as of today. I’m still working on some problem ones below and I’m at a loss on what to do if anything I could do. If you already downloaded the 1.01A through D you will have (...) (19 years ago, 10-Apr-07, to lugnet.cad.ldd)
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| | Re: POV Color Cheat! Turn Pink into Medium Blue
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(...) I thought it was, but in this case it wasn't. The color 24 line can be skipped. And the double pigment declaration was just a pure mistake; one definition is of course sufficient. :) /Tore (19 years ago, 9-Apr-07, to lugnet.cad.ray)
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| | Re: POV Color Cheat! Turn Pink into Medium Blue
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(...) Good to know. Thanks! (...) I kind of recall that. In some cases, I've seen that L3P ignores an LDraw file with just Type 0 lines. I haven't checked if the IFPOV code makes it not ignore C13-73.dat, but I just did it in a routine manner. /Tore (19 years ago, 9-Apr-07, to lugnet.cad.ray)
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| | Re: POV Color Cheat! Turn Pink into Medium Blue
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(...) If you want to see the medium blue in LDView, just add the following line to C13-73.dat (anywhere outside the IFPOV section): 0 !COLOUR Medium_Blue CODE 13 VALUE #6E99C8 EDGE 0 Tore, is the color 24 line in the file necessary in order to make (...) (19 years ago, 9-Apr-07, to lugnet.cad.ray)
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| | Re: Using NXT Port 4 EIA-485
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(...) Hi, halfduplex is not the problem when connecting the NXT to an external MCU. My problem is the bitrate of 921,6 kbits/s. Simple cheap MCU like ATMega didn't support this bitrate (as far as I know). To add an external devices (e.g MCU+SD-Card (...) (19 years ago, 9-Apr-07, to lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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| | Re: POV Color Cheat! Turn Pink into Medium Blue [DAT]
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(...) This is a great idea that deserves to be highlighted while we're waiting for L3P and other programs to support ldconfig.ldr! Inpired be the objects like timers, dialog objects, menu items etc I add to a Form in a Delphi project, I just came up (...) (19 years ago, 9-Apr-07, to lugnet.cad.ray)
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| | Re: how does a line ends?
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(...) Now that I'm at work, I'm able to look at Microsoft's implementation of fgets for Visual Studio 2005. They do a lock on the file prior to their loop, then call _fgetc_nolock to get each character, instead of fgetc or fread. (That's an (...) (19 years ago, 9-Apr-07, to lugnet.cad, FTX)
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| | Another awesome video of a LEGO sumo robotic event
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Hello, At DivX we like to play with LEGO, we specifically like Autonomous LEGO Sumo Robot fights, few of us have put together a multi events championship and we are filming it in HD. We just published the round 3 of the championship, check it out it (...) (19 years ago, 9-Apr-07, to lugnet.robotics) !
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| | Re: Using NXT Port 4 EIA-485
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(...) Hi John. I must have misunderstood something I was told a while back which went along the lines of "there isn't enough time to implement support for this feature". Perhaps there was some time after all ;) Do you know how large the OutBuf and (...) (19 years ago, 9-Apr-07, to lugnet.robotics.nxt)
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| | Re: Gig
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(...) Unfortunately that particular windscreen doesn't come in black, only transparent colors :-( Christian (19 years ago, 9-Apr-07, to lugnet.town, FTX)
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| | Re: Set 7029
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(...) bley, dark bley, reddish brown ... la mia padronanza della lingua italiana non è tale da comunicare sufficientemente il mio disprezzo per i nuovi colori. ammetto che la reazione è strana, ma da tre anni non giudico i set per la loro bellezza, (...) (19 years ago, 9-Apr-07, to lugnet.org.it.itlug)
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