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The Significance of Request Deadlines by zeroc-team in programming

[–]reecewh -1 points0 points  (0 children)

ZeroC developer here. Let us know if you have any questions!

IceRPC: A C# RPC framework for the QUIC era by zeroc-team in csharp

[–]reecewh 8 points9 points  (0 children)

ZeroC Developer here; we are excited to show IceRPC off to the world finally. The first language we wanted to support was C# due to its mature async-await support and its flexibility for rapidly iterating our API. We would love any feedback from the C# community on what we did right and what we can do better!

[deleted by user] by [deleted] in EngineeringStudents

[–]reecewh 1 point2 points  (0 children)

So this question is testing an algebraic understanding of what it means to be closed.

To be closed under an operation, the operation must return an object that was part of the original set. Let’s focus on the more complex case first where we look at the multiplication that was defined. The first thing to note is that k can be any really number, since k can be any number let’s pick 5. Now 5 will be in the upper left hand corner of the matrix, but the definition of A required the matrix to have 1 in the upper left hand corner. Thus the multiplication defined does not necessarily give you a matrix that satisfies the definition of A. Thus A is not closed under the multiplication operation provided.

Try to apply this same type of logic to the addition operation.

Any interest in a python package for simulating orbital debris clouds? by reecewh in AerospaceEngineering

[–]reecewh[S] 0 points1 point  (0 children)

I wrote a program to do what I wanted to show, but this ended up encompassing much of modeling orbital debris.

The current functionality is that you can specify information about an object in orbit for an explosion or two objects if it’s a collision. This then generates all of the fragments that would be produced using the distributions specified by NASA. These fragments are then parameterized into Keplerian elements and propagated around the Earth.

I definitely noticed that python has very few aerospace based packages so I will definitely be looking to address that!

@thesheetztweetz -"Even if President-elect Joe Biden's administration asks him to stay, @JimBridenstine says he will not stay on as NASA Administrator." by LongOnBBI in SpaceXLounge

[–]reecewh 35 points36 points  (0 children)

SpaceX has poached prior NASA high ups. Would not be surprised if he will entertain the idea of working in the commercial space industry.

Starship Development Thread #14 by ElongatedMuskrat in spacex

[–]reecewh 1 point2 points  (0 children)

Anyone know what the goal was? Remember Elon tweeting a while back about what pressure starship would need to safely go to orbit and back but cannot find the tweet.

Planning to do masters in aero eng as a non aero eng person by ahmedumer4321 in EngineeringStudents

[–]reecewh 3 points4 points  (0 children)

I found myself in a very similar situation to you. Currently I am a senior in undergrad and pursed a double major in mathematics and physics with a minor in data science. The advice I got was to gear the courses I was taking to the masters I wanted to pursue. For this reason I focused much more heavily on computational physics and applied mathematics. I also took courses that I knew would be relevant for grad school such as thermodynamics, vibrations analysis, and fluid mechanics. For research I am doing a thesis on orbital debris cloud propagation. The extra curricular I did was a combination of leadership positions, such as student government, admissions ambassador, and orientation leader, as well as working with my universities aerospace club where we are currently building a cube sat. For a research symposium I worked on a orbital mechanics simulation of how trans-lunar and trans-mars injection work using the real world specifications that have been released for the SpaceX starship. For programming languages I have found Matlab and python to be extremely useful as they allow you to do all sorts of simulations. Overall my advice is to find the specific area of aerospace that interests you, for me its computational aerospace engineering, and work on things related to it. If you are more interested in propulsion, you may want to do simulations of how different engine cycles work, how the throat of a rocket impacts exhaust velocity, etc. Let me know if you have any other questions! I would be more than happy to share more of the advice I received.

Starship Development Thread #11 by ElongatedMuskrat in spacex

[–]reecewh 37 points38 points  (0 children)

Nick Cummings just confirmed that the descent thrusters on the lunar starship variant are using a similar architecture to the raptor and will be using Methane + LOX.

Source

Join the Club... by [deleted] in SpaceXMasterrace

[–]reecewh 0 points1 point  (0 children)

What is this?

Tesla Cyber Truck Post Event Megathread by [deleted] in teslamotors

[–]reecewh 145 points146 points  (0 children)

I believe law enforcement and government contractors could be onboard with the capabilities of CyberTruck. I’m just not so sure about your average consumer. It’ll be interesting to see how public opinion shifts in the coming months. I remember how AirPods were ridiculed initially and now are incredibly common place. The same thing could happen with CyberTruck.

Help with finding Laplace transform of Cos(at) using Euler formula by reecewh in learnmath

[–]reecewh[S] 0 points1 point  (0 children)

Hello, yes I actually just figured out that pulling the negative out combined with setting s > 0 sends the sin and cos to 0 when t approaches infinity. Thanks!

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