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  • Paul Renaud

    Member
    September 27, 2021 at 10:01 am in reply to: Machine learning for beginner
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    Great to hear! I’m certainly not the go-to guy on this subject yet to begin, you may consider a ‘Hello World!” equivalent for machine learning – the classification of irises flowers from sepal and petal dimensions. More specifically, the classification of a genus of over 200 species of flowering plants with beautifully colored flowers. A super basis for classification which is well understood and catalogued.

    You can find the Fisher dataset (1936) here:

    https://archive-beta.ics.uci.edu/ml/datasets/iris

    From there, should you prefer Python then look here:

    https://machinelearningmastery.com/machine-learning-in-python-step-by-step/

    Or should you prefer Javascript then consider this video on building a neural network to perform classification using TensorFlow.js

    https://www.youtube.com/watch?v=4vN1tHpCkA0

    and then try a tutorial like:

    https://medium.com/@nutanbhogendrasharma/tensorflow-deep-learning-model-with-iris-dataset-8ec344c49f91

    I hope this is what you had in mind and that it helps.

    YouTube video

  • Paul Renaud

    Member
    July 18, 2021 at 12:43 pm in reply to: If you could go to space would you?
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    Great question Alexander! My mind gravitates towards risk to person. The odds to beat seem to lie in the tolerances within the heat, propulsion and fuel systems.

    To orbit, you will whisk us along at 17,400 mph and then it’ll feel like we’re parking when you slow us down to 3,700 mph to sip on tea in sub-orbit. 3,700 mph is just a tad faster than your commercial airplane, which hovers at around 575 mph!

    Given these odds, I may favor the following progression… sub-orbit to warm up, then let’s try orbital and finally let’s play in space with an interplanetary mission of your choosing? What do you think?

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    Great question! Programming language legacy and its future is a most pleasant path to traverse.

    Interestingly the patterns we expect in terms of popularity may at times provide for a surprise! To illustrate, you know that programming languages were classed according to ‘generation’, right?

    First Generation (1GL) – machine-level , Second Generation (2GL) – assembly language, Third Generation (3GL) – C, C++, Java, Python, etc. , Fourth Generation (4GL) Unix Shell, SQL, etc. , Fifth Generation (5GL) OPS5 and Mercury etc.

    First generation being the lowest we can go, as it converses in the language of the machine itself. Tedious to the point of hair loss; as complex as particle physics; yet so very powerful when you need the machine to perform at its peak!

    5<sup>th</sup> generation waxes lyrically and switches up machine learning to provide the answer to the universe, 42??? and all that on the turn of a dime!

    Given that 5GL languages have been around since the 1980’s and are here to help solve a given problem without a programmer, and given that they are used mainly in artificial intelligence research, will one of them be the go to popular daily cereal for the greater populace? Could be. Or will one of the new boys on the block like javascript or html hold onto their title for a while to come?

    Regrettably, I’m back to your question without an answer, but hopefully a little wiser? Thank you.

  • Paul Renaud

    Member
    June 11, 2021 at 9:34 am in reply to: My DIY rocket control panel
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    Wow! Neat job Alexander! I love the safety covers on the launch switches and the precise panel layout. Share more during / after the launch? ????

  • Paul Renaud

    Member
    June 7, 2021 at 8:50 am in reply to: Programming Languages
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    Hi John, great to hear! Not too sure how much you already know, what your experience is and what you would prefer to do, but you may want to look at Python as an additional option?

    The way some of us have ‘learned the basics’ of Python is by using a free, online e-book called Automate the Boring Stuff.

    Here’s a link to Chapter 0: https://automatetheboringstuff.com/2e/chapter0/

  • Paul Renaud

    Member
    June 4, 2021 at 4:05 am in reply to: Cyber-Security
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  • Paul Renaud

    Member
    May 22, 2021 at 12:02 pm in reply to: Binary to Hexadecimal Conversion Game
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    47 72 65 61 74 20 70 6f 73 74 20 45 6c 69 6f 74 21 20 54 68 61 6e 6b 20 79 6f 75 20 66 6f 72 20 65 78 70 6c 61 69 6e 69 6e 67 20 68 65 78 61 64 65 63 69 6d 61 6c 20 74 6f 20 75 73 20 61 6e 64 20 77 68 79 20 77 65 20 66 69 6e 64 20 69 74 20 61 6c 6c 20 6f 76 65 72 20 74 68 65 20 70 6c 61 63 65 2e 20

  • Paul Renaud

    Member
    September 4, 2022 at 12:33 pm in reply to: How to Get Kids Started with Coding
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    Nothing quite like an enquiring young mind? ????
    I’m not too sure of the target level we are aiming at with your son but I hear that Micro:bit is easy to kickstart and works well with makecode to inject life into your son’s code. Could this possibly be the next step?
    https://www.edtechs.com.au/pages/micro-bit?gclid=Cj0KCQjwmdGYBhDRARIsABmSEePwyWePCbx0HABGQEMxyBHwZXM3DJo69OVsg6rS23VbOoBXsYZVyXQaAq3VEALw_wcB

  • Paul Renaud

    Member
    July 1, 2022 at 2:22 am in reply to: How to Get Kids Started with Coding
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    Wow! Fantastic post. I love the spectrum you have covered. Thank you.

  • Paul Renaud

    Member
    June 16, 2022 at 12:30 pm in reply to: Programmers – What first got you into programming?
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    Wow George! You certainly seem to have the upper hand on programming. If I may, what are some of the challenges you have had to overcome to progress as a programmer? Do you have some sort of ‘programming’ road map (the path you followed) to help other kids with their coding or robotics lessons?

  • Paul Renaud

    Member
    October 6, 2021 at 3:54 am in reply to: Nearby Planetary Systems
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    Andrew, well done on proposing a wicked brain experiment! My brain simply shuts down but I really like AlexanderB’s response. Gets me thinking that with a mere 120 million kilometers (74 million miles) separating these two orbs we should at the very least give the thought light of day? Likely my Step 1 of 42 would begin with investigating behavior and composition of each. Much the same route as AlexanderB! I would be keen to quantify any significant deviation from their standard behavior. For example the effects of any external influence due to alignment of bodies other than the focus set.

    To that end, Mars has an orbit with a semimajor axis of 1.524 astronomical units (228 million kilometers), and an eccentricity of 0.0934. The planet orbits the Sun in 687 days and travels 9.55 AU in doing so, making the average orbital speed 24 km/s.

    Venus orbits the Sun at an average distance of about 0.72 AU (108 million km; 67 million mi), and completes an orbit every 224.7 days. Venus’s orbit is wonderfully close to circular, with an eccentricity of
    less than 0.01!
    Where to from here? Perhaps the community could weigh in?

  • Paul Renaud

    Member
    September 27, 2021 at 11:20 pm in reply to: Machine learning for beginner
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    You’re most welcome!
    Regrettably, not from personal experience with machine learning. I use them interchangeably in other applications. Yet you may appreciate the perspective offered at ideamotive where the following question is answered: Python vs JavaScript: Which Is Better For Machine Learning Project?

    https://www.ideamotive.co/blog/python-vs.-javascript

  • Paul Renaud

    Member
    September 25, 2021 at 7:16 am in reply to: How to Get Kids Started with Coding
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    Glad to hear! ????

  • Paul Renaud

    Member
    June 16, 2021 at 1:08 pm in reply to: Adeept RaspTank Project
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    Great work and share on this project! Thank you for providing all the details and code snippets too. I love your faster option to debug. PUTTY has been my friend on this front. Thanks again! Please keep us posted on any developments ????

  • Paul Renaud

    Member
    June 12, 2021 at 6:48 am in reply to: My DIY rocket control panel
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    Good thinking! If you find that your ignitors are drawing a little too much current from your batteries (they get warm), you may even consider configuring a few 9V batteries in parallel? That way, you’ll boost the current alone as opposed to the voltage, and the individual batteries will run cooler 🙂

    Can’t wait to see how it goes!

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