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  • Michel Lecomte

Unreplied Threads

Are there any results on concentration bounds of Wasserstein distances between empirical measures?

I know there are concentration bounds on $W(\mu,\hat{\mu})$ where $\mu$ and $\hat{\mu}$ are true and empirical distributions respectively, but is there anything out there on $W(\mu,\nu)$ versus $W(\hat{\mu},\hat{\nu})$ where $\hat{\mu}$ and $\hat{\nu}$ are the empirical distributions corresponding to $\mu$ and $\nu$ respectively?

Emacs mu4e maildirs-query problem

  • Michel Lecomte
  • Technology
  • Replies: 0
When issuing


Selecting context I receive the message :

error in porcess filter: symbol's function definition is void: mu4e-maildirs-with-query

Mu version 1.6.10

Any idea ?

Need help with Making exceptions for material override (follow up on a previous question by someone else)

  • Anton Conradie
  • Technology
  • Replies: 0
I'm looking for some help with a project I'm working on where in everything in my scene needs to be overridden save for specific branding throughout the scene, the issue however is I've found my answer in how to make exceptions using index's and worked out how to run the image texture through to apply the exception. However the objects don't all use a single texture to achieve the end result, is there a way from me to use the example as shown here: Override materials. To add more exception materials to match index 2,3,4...etc?

Is it worth to build a discharge circuit for long storage of Lithium Ion Batteries

  • CaveScientist
  • Physics
  • Replies: 0
I am making a battery powered system that might not be used for months. There will be an On-Off switch but I am planning to use a three position switch in order to discharge batteries to 3.9V when it is planned to be stored for long time. Because as far as I know Li-ion batteries should not be stored fully charged for maximum battery life.

The circuit will look something like this: circuit

Question: Is it worth to add extra button position? Will "4.2V - 3.9V = 0.3V" really matter to increase battery life? Is this an applicable way to discharge batteries?

Can I interchange hot and neutral wires on a Shelly 1 AC input?

  • adamsfamily
  • Physics
  • Replies: 0
Shelly 1 can be powered by 110-240 VAC. I will use ti as a temperature sensor and I need to power my device from a regular European socket, which means that the user can plug into the wall in any direction, meaning that L and N might interchange.

I haven't found any mention in the Shelly 1 documentation to specifically do or don't do this. I assume at this point that I should not do it.

However, I'd be interested if anyone had experiences with this setup that might be common?

wiring

Changing the frequency response of an open loop circuit op amp

  • SnoopyKid
  • Physics
  • Replies: 0
Usually on the frequency response of an open loop op amp, the gain decrease greatly in the higher frequencies. How can we increase the gain from 50 hz to 25 khz to remain high at, say, 120 dB?

Wheatstone Bridge imbalance voltage calculation

  • super95
  • Physics
  • Replies: 0
So I have this simple force measure circuit which consists of a strain gauge SG1 and the amplifier with the Wheatstone bridge, the variable resistor RV1 is set to 200Ohms.
If the strain gauge is fully deflected the circuit gives an output of 50mV.
How would I go about to calculate the imbalance voltage at the bridge.
What I did so far is I found the voltage that goes into the op-amp's pin3: $$R_{FSR}=\dfrac{1}{\dfrac{1}{1320}+\dfrac{1}{1320}}=660Ohms$$ $$V=\dfrac{680}{680+660}*9=4.57V$$ Any help will be appreciated. enter image description here
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