3.1.3 Can you answer these questions?

3.1.3.1 Does Mathematica 11 have spherical coordinate unit vectors?

https://mathematica.stackexchange.com/landing/r/newsletter?cta=question&id=165603

I have a spherical vector wave for an electric field:

e[r_, \[Theta]_, \[Phi]_, t_] := (Sin[\[Theta]]/r) [ 
  Cos[r - t] - Sin[r - t]/r]
 

which points in the phi direction. In mathematics, I would ...

asked by Michael B. Heaney 1 vote

answered by Bill Watts 0 votes

3.1.3.2 Communicating with server over Websocket using SocketConnect

https://mathematica.stackexchange.com/landing/r/newsletter?cta=question&id=165382

I am trying to connect to a web socket feed of Gdax. The documentation is here, https://docs.gdax.com/#websocket-feed. There is no account needed and the information is public. I have successfully ...

asked by Ray Troy 2 votes

3.1.3.3 Assign a unit to a variable in a function

https://mathematica.stackexchange.com/landing/r/newsletter?cta=question&id=165596

I have the following input:

PVW[V_, T_] := (R*T/(V - b)) - (a/(V^2))
 

Where I have already defined R as the molecular gas constant with its corresponding units and a and b are constants with their ...

asked by BobaJ 1 vote

answered by m_goldberg 0 votes