"Save Settings on Exit" box at the top of the "General" tab in the Global Settings dialog box (Options/Settings menu item).
Make, you can simply turn this off (running under the admin account) by unchecking the If you want to preserve your configuration as-is without saving any future changes you may
#Functions graphmatica install
If you install the program (and run it at least once) in the admin account and then attempt to use it from a limited user account, the security permissions on the file will not allow the limited user account to overwrite the file. In older versions, Graphmatica tries to save your current settings to the file graphmat.ini in the
Or, why does Graphmatica complain on shutdown that it is unable to write to graphmat.ini?Īs of version 2.0i, Graphmatica reads and writes graphmat.ini from your %APPDATA% directory, which is different for each user.
#Functions graphmatica windows
How do I support separate configurations for multiple user accounts on a Windows XP machine?.(assumes x0 > x1 otherwise reverse domain) How do I show trig functions in degrees instead of radians? How do I change the colors (how come it doesn't save my color choices)? How do I graph more than 25 equations (why do my equations start to disappear after a while)?Ĭan I specify piecewise-defined functions? I have tested the formula on a Linux program called KmPlot.If you don't see an answer to your question here, send me mail. (.) for (byte V=0 V I found a source which tells exactly what the answer is in mathematical notation: PS: The last one who gave "y(x)=(2a/π)arcsin(sin((2π/p)*x))" is too complicated, we are looking for a fast c++ routine so trigonometry is absolutely out of the question. A ramp sloped UP and a ramp equally as the first but sloped DOWN contrary to a SAWTOOTH which has a ramp sloped UP or a ramp sloped DOWN repeated after a reversed talud. Well it is a wave which has a period consisting of TWO equal sloped ramps. So first off we are going to explain to our folks what a TRIANGLE wave IS. And people even give positive reputation rates for these wrong answers?! Unbelievable! But again, this parallels with my previous remark. With a folks that repeats mistakes of others that cannot be any surprise is it.
No wonder so many mass media hoaxes have so much success. I've tested it with a simple loop and you guys haven't answered the man's question at all. In all of these cases you should easily be able to adjust constants and add scaling factors in the right places to give variations of the given waveforms (different periods, ampltiudes, asymmetries, etc.). sqrt(x) shape): y = pow(abs((x++ % 6) - 3), 0.5) Īlternatively to using the pow function, you could simply define a square function and use the sqrt function in math.h, which would probably improve performance a bit.Īlso, if you want to make the curves steeper/shallower, just try changing the indices. To get a variation of the triangular wave that has curves rather than straight lines, you just need to introduce an exponent into the equation to make it quadratic.Ĭoncave curves (i.e. This gives a sine wave of period 20 pi, oscillating between 3 and -3. This gives a regular square wave of period 6, oscillating between 3 and 0. This gives a triangular wave of period 6, oscillating between 3 and 0.
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