peterwoerner

21 ms·

181.
by peterwoerner 7y ago
What library are you using for automatic differentiation. I am working on building code to optimize (and later build) high quality finite element meshes for structural analysis. For the initial proof of concept, I am simply doing finite dif
182.
by peterwoerner 7y ago
Additionally when you are at your destination, you are most likely going to be needing your car too. Most American cities require a car to get anywhere you want to go. E.g. I can technically take the bus to get to work where I live, but it
183.
by peterwoerner 7y ago
There are simulation codes, but IBM makes their old machines publicly available. I wish I had time to look it up for you, but if you are interested that should give you a lead.
184.
by peterwoerner 7y ago
My sister shared a tip she uses when moving to a new town. Say yes to every social engagement no matter what. I have gotten a lot of leverage out of being religiously involved (not just showing up Sunday morning, but showing up for workday
185.
by peterwoerner 7y ago
Yes WFIRST[0] is currently in the works. JPLRMA[1] is investigating low cost mirror for space observation although they are primarily focused on the outer planets of our solar system. [0] https://wfirst.gsfc.nasa.gov/ [1] ht
186.
by peterwoerner 7y ago
Yes, but I was in graduate school making $1500/mo and was doing it mostly for fun as a class project. I was also very naive about how much effort it would take to process that data. Both google and yahoo have current data which is ea
187.
by peterwoerner 7y ago
Because there is a real moat with data ownership and pipelines. If you want to do any analysis you quickly find that learning to properly use scikit-learn and tensorflow (or your machine learning algorithm of your choice) is atleast an ord
188.
by peterwoerner 7y ago
This is also how many silicon chip manufacturers check for defects. I remember attending a seminar on it in graduate school. Used an ultra fast laser to create a shock wave and then measured the reflections which came back.
189.
by peterwoerner 7y ago
A point which I didn't think of: we are already paying for everyone's healthcare. Doctors and hospitals can't turn anyone away and they aren't losing money. So it's really an accounting problem how do we collect t
190.
by peterwoerner 7y ago
BMW is already using them for factory workers: https://exoskeletonreport.com/2017/03/mw-group-harnesses-the...
191.
by peterwoerner 7y ago
> Almost no one who takes that advice returns to get a PhD, the income is too hard to give up and often life moves on which makes it hard to take the financial hit and devote the time. These are all fair points and worth thinking about f
192.
by peterwoerner 7y ago
I have a PhD (in mech engineering) and work in industry. My experience was that I basically had to pick up a new physics set and tool set every year as I jumped from algorithm development, to constitutive model development, machine learning
193.
by peterwoerner 7y ago
It's radiative cooling. Same way the sun heats the earth.
194.
by peterwoerner 7y ago
Surrogate modeling techniques have been around for a while. They come standard in many optimization software e.g. DAKOTA. https://dakota.sandia.gov/
195.
by peterwoerner 7y ago
That's because genetic algorithms and simulated annealing algorithms are really similar. You could imagine a GA as being a multiple simulated annealing algorithm in which you occasionally cross pollinated your solutions. Technically, i
196.
by peterwoerner 7y ago
I taught a couple of home school co-ops during school. I found that for this particular group, these kids basically didn't learn math, but were good writers, well read and eloquent speakers. My wife says that they were all incredible
197.
by peterwoerner 7y ago
ANN's aren't that much different than polynomial regression, the issue is that there are upwards of millions of parameters. Totally intractable for the human mind.