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 Jan 26 comment Trying to simulate pulse width modulation Actually there probably should not be a dip after a 0 pulse so consecutive zeroes should behave like in the first example. Jan 26 comment Trying to simulate pulse width modulation Thanks, I've accepted Dr. belisarius answer, after some testing because it alerted me if event driving which is a good idea in general. Your answer is also very useful. Though you get slightly different results. Oct 21 comment Grid snap for drawing tools I dont dispute that. Im still saying this is not perfect even if its VERY useful. TY Oct 21 comment Grid snap for drawing tools I would still like foced quantize move instead of a shown grid that i can snap to its mentally faster Oct 5 comment Turn list of rules from radians to degrees, match all greek letters @ShutaoTANG err mathematica allready knows how to draw nurbs curves Oct 5 comment Turn list of rules from radians to degrees, match all greek letters I probably have the original eps around if you need it @ShutaoTANG Oct 5 comment Turn list of rules from radians to degrees, match all greek letters @ShutaoTANG i converted a NURBS curve to Bezier segments inside my own software (In this case it works perfectly, but if they have weights you must approximate). Exported that to EPS. Then i opened the EPS file in Illustrator for rasterisation and color. Jan 31 comment Permanently rounding numbers/values to a given number of significant figures I must say the way you have staged your question it means that nearly every system has problems, as you would need to use fixed point arithmetic. Jan 15 comment Turn list of rules from radians to degrees, match all greek letters Thanks i got some ideas to finish my job turns out you terraced me 2 new things Jan 15 comment Turn list of rules from radians to degrees, match all greek letters Its no problem. No one longer going to calculate anything with it. Students are just using it to tabulate answers for themselves to measure real things and see how their solution matches reality. Jan 15 comment Turn list of rules from radians to degrees, match all greek letters ah that's quite well done. Ill wait a bit if you dont mind, if somebody is even better answer but i think this is it. Jan 15 comment Turn list of rules from radians to degrees, match all greek letters Thank youthat helps i ended up to this myself: Replace[a, Table[Rule[greek, x_] -> Rule[greek, x 180/Pi "\[Degree]"], {greek, {\[Alpha], \[Beta], \[Gamma]}}], 1] Sep 6 comment Grid snap for drawing tools @Öskå Maybe, drawing tools would be pretty competent for this particular case if it had snap to grid, when not its a bit painful and useless tool. Idea that these are sketches before any calculation. Preference is NO code it scares the lower 2/3 of students away. Aug 5 comment Why is Query so much slower than Part? could it be that querry is a O(n) algorithm where part is O(1) algorithm. Because the name implies that querry must scan the elements for testing. Sure it should optimize for set reductions but it does not do so yet. just speculating. Jul 23 comment Mathematica 10 fails to calculate integral that Mathematica 9 can handle Didnr mathematica10 get a new update system could that be doing work in the background Jul 23 comment Embed Code Into Image it would be more natural for this data to be just a comment in the metadata section in the beginning of the eps. Jul 18 comment Mathematica 10 Notebook Fonts Look Bad try changing the font, ive noticed that some fonts react badly in mathematica including some of the default fonts. Jul 18 comment Software for effectively modeling gears Adams, simpack, open modellica, simulink... for other software. Jul 17 comment Software for effectively modeling gears Could you clarify what aspect of the gears you want to model? Ideal physical behaviour, contact, vibration... Note all of it basically means do my PhD for me. Jul 17 comment Mathematica 10 Notebook Fonts Look Bad windows uses its own hinting engine and it may or may not be configured properly. It certaibly wont match linux.