How to send a response within microseconds to a real time embedded device using Python? [on hold]

I am able to receive the request from the real time embedded device using my python script through serially. But I want to respond to the same request within certain microseconds time slot through serially.

I am using robot framework for doing this stuff. But I am unable to send the response for a request within microseconds time slot through serially.

Actually it is real time device so I need to respond to the request within microseconds time slot through serially.

Is it possible to do this in Robot framework or independent python script through serially ?

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Galois group to Sextic Polynomial with Two Real Roots

I have the following polynomial $ $ f(x,Q)=0.064x^6+0.96x^4+4.8x^2-(13.824Q)x+8=0$ $ where the variable $ Q$ is in the range $ ]1,2\pi]$ . This polynomial is obtained from an equation that describes a nozzle. From the theory I know there are certainly two positive real roots: I have done the check for different values of $ Q$ and Wolfram confirms it.

I need the formula to get the two real positive solutions by only changing the value of $ Q$ : then I have to implement this formula in MATLAB. For what I have written above I think the sextic has a solvable Galois group so can be exactly expressed in terms of radicals.

I am an aerospace engineer and to be honest I don’t know where to start with Galois theory.

Error when simulating incoming calls on my (real) Android phone (rooted) [duplicate]

This question already has an answer here:

  • Simulate missed call from ADB shell 1 answer

I try to simulate an incoming call on my Android device connected to my computer via adb by:

D:\adb>adb shell am start -a -d "tel:123456789" 

But always get this error:

Starting: Intent { dat=tel:xxxxxxxxx } Error: Activity not started, unable to resolve Intent { dat=tel:xxxxxxxxx flg=0 x10000000 } 

I have tried on Android 6, 7, 8.

How to simulate an incoming call on real devices?

How does a computer interpret real numbers?

I understand that the modern day digital computer works on the binary number system. I can also get, that the binary representation can be converted to rational numbers.

But I want to know how does the present day computational model interpret real numbers.

For eg:

On a daily basis we can see that a computer can plot graphs. But here, graphs may be continuous entities. What is the mathematical basis, that transforms a discrete (or countable, at most) like the binary system to something mathematically continuous like a say, the graph of $ f(x) = x$ .

Real non trivial zeros of Dirichlet L-functions

When dealing with the prime number theorem in arithmetic progressions, one cannot exclude the possible presence of a real zero close to $ 1$ for at most one real character mod $ q$ . On the other hand, it is also known that the Riemann $ \zeta$ function does not vanish on (0, 1).

Are there any result showing that some Dirichlet L-functions (attached to a non-principal character) do not vanish far from $ 1$ ? I think non-vanishing at $ 1/2$ is still open in general, but maybe it is known in some cases.

Searching for a point on the real line

A pin is dropped at a random point $ p$ on the real line, with $ p$ determined from a normal distribution with mean $ 0$ and standard deviation $ \sigma$ . You are dropped on the real line at $ x=0$ and tasked with finding the pin. You can move left or right in any pattern you like. What search pattern should you use to minimize your expected distance traveled before finding $ p$ ?

Trying to find real website merchants that accept Apple Pay or Google Pay (W3C Pay) as payment methods

I’ve been conducting technical research of the online payments sector, comparing many payment solutions. I’ve explored both the Apple Pay and Google Pay APIs and I see that they both support Web Integrations with Javascript APIs that would work directly through the Safari browser on a MAC with touch ID – in the case of Apple, and through Chrome and other browsers in the case of Google Pay).

I’m looking for real world implementation of the WEB APIs of Apple Pay and Google Pay. (Not Native apps. Not In-store NFC). I’m looking for website merchants that allow you to pay using Apple Pay or Google Pay (on the desktop – using your browser). So far not able to find any.

The only place I was able to find where you can pay with Apple pay through Safari is the Apple App Store itself – where you can buy hardware with Apple Pay, right in Safari on your iPhone (without installing any native apps).

I was not able to find any Google Pay web merchant implementations.

Google searches lead me on wild goose chases into many unrelated topics.

Can anyone suggest small niche merchants or websites they know for sure accept Apple Pay or Google Pay on their merchant websites?

I need to analyze their implementations and assess user experience and other factors…