uncleflo
Registered since September 28th, 2017
Has a total of 4246 bookmarks.
Showing top Tags within 13 bookmarks
howto information development guide reference administration design website software solution service product online business uk tool company linux code server system application web list video marine create data experience description tutorial explanation technology build blog article learn world project boat download windows security lookup free performance javascript technical network control beautiful support london tools course file research purchase library programming image youtube example php construction html opensource quality install community computer profile feature power browser music platform mobile user process work database share manage hardware professional buy industry internet dance advice installation developer 3d material search access customer camera travel test standard review documentation css money engineering develop webdesign engine device photography digital api speed source program management phone discussion question event client story simple water marketing yacht app content setup package fast idea interface account communication cheap compare script study market live easy google resource operation startup monitor training
Tag selected: mathematical.
Looking up mathematical tag. Showing 13 results. Clear
The Stoch RSI : A Powerful Signal for Stock Pickers! - PLblog
Saved by uncleflo on May 15th, 2021.
In a previous piece, https://www.plindia.com/blog/stochastic-oscillators-defined/, we had talked about how the Stochastic Oscillator can be a simple to understand yet powerful tool to pick stocks – just like its other cousin Williams % R. One often uses this indicator with something like RSI to gauge momentum and can give powerful insights into emerging trends What if, therefore, there was a tool that captured it all in one single indicator! Introducing Stoch RSI! The Stochastic RSI indicator, developed by Tushard Chande and Stanley Kroll, is an oscillator that uses RSI values, instead of price values, as inputs in the Stochastic formula. The indicator measures where the RSI’s current value is relative to its high/low range for the specified period – thus becoming an indicator of indicators!
stochastic oscillator indicator candlestick prediction calculation sensitivity stack trades reverse momentum accuracy price generate trading peform buy sell mathematical stock powerful calculate estimate invest trader tool
python - How do I fit a sine curve to my data with pylab and numpy? - Stack Overflow
Saved by uncleflo on May 15th, 2021.
I am trying to show that economies follow a relatively sinusoidal growth pattern. I am building a python simulation to show that even when we let some degree of randomness take hold, we can still produce something relatively sinusoidal. I am happy with the data I'm producing, but now I'd like to find some way to get a sine graph that pretty closely matches the data. I know you can do polynomial fit, but can you do sine fit? You can use the least-square optimization function in scipy to fit any arbitrary function to another. In case of fitting a sin function, the 3 parameters to fit are the offset ('a'), amplitude ('b') and the phase ('c').
sinusoidal sine regression fitting converge parameter frequency python angular numerical simulation math mathematical random data function optimize match howto code coding development software
Arvel Gentry | North Sails
Saved by uncleflo on April 10th, 2021.
In the first edition of the Art and Science of Sails, written by Tom Whidden, president of North Sails Group, LLC, and Michael Levitt, and published by St. Martin’s Press, the authors used Arvel Gentry’s now famous Bathtub Experiment to demonstrate the existence of Circulation, or a second force, that operates around an airfoil, like a sail, wing, or keel etc. Big picture: it’s the combined effort of these two forces that makes the wind speed up on the leeward side — and thus show low pressure — and slow down on the windward side of a sail — high pressure. Gentry was the Boeing engineer who first taught sailors aerodynamics. These diagrams first appeared in Gentry’s Sail magazine articles. In the Revised Edition, the authors used computer testing to show where the wind speeds up around a sail plan and where it slows down. And why and by how much? Nevertheless, Gentry’s experiment is the standard — still popular on the web — and it was left it out of the Revised Edition with trepidation, but we linked in the book to this web page.
airfoil sailboat aerodynamics leeward airflow sail keel foil circulation rudder lift differential flow experiment mathematical linear velocity wind separation solution perspective speed effort force physics sailing explanation science
The 4 Maxwell's Equations (+ Divergence & Stokes Theorem) - YouTube
Saved by uncleflo on April 10th, 2021.
Here you will learn everything about the Maxwell’s equations just within 40 minutes - explained for BEGINNERS! First, you'll learn what the Maxwell equations are all about (applications). Then the electric and magnetic fields - that are found in the Maxwell’s equations - are explained. To fully understand the Maxwell’s equations, you will then learn the divergence integral theorem and the curl integral theorem. These two mathematical theorems combine the line integral, the surface integral, and the volume integral (including rotation and divergence of a vector field). With the acquired knowledge you will easily understand all four Maxwell equations (in vacuum). In addition to the so-called differential form, the integral form of the Maxwell’s equations is explained.
learn video maxwell explanation application equation theorem integral vector differential form cover mathematical university
Four laws of electromagnetism that you should know
Saved by uncleflo on July 22nd, 2019.
The operation of electric motors is governed by various laws of electricity and magnetism, including Faraday’s law of induction, Ampère’s circuital law, Lenz’ law, and the Lorentz force. The first two – Faraday’s law and Ampère’s circuital law – are included in Maxwell’s equations. Together with Lenz’ law and the Lorentz force, these principles form the basis of electromagnetism.
electromagnetism magnetic magnetism polarity tesla flux coulomb oscillate wire basics mathematical induction automation formula magnet loop electromagnetic equations equation electric calculations calculate coil math summary design
Ergonomics and car seat design with diagrams (Asian Language)
Saved by uncleflo on November 29th, 2018.
An article about the seat and cockpit design of a car, all written in an Asian Language. The Diagrams are very useful for making chairs.
chair seat sofa car ergonomics diagram mathematical math angle comfortable create design numeric howto story blog article discussion professional interior furniture
Performance and Security of ECDSA
Saved by uncleflo on July 10th, 2017.
Digital signatures are used world wide to verify the authenticity of messages and confirm that they have not been altered in transmission. The Digital Signature Algorithm (DSA) is a Digital Signature Standard for the Federal Information Processing Standard and uses public key cryptography. The Elliptic Curve Digital Signature Algorithm (ECDSA) is a version of DSA using elliptic curves. In this paper, I will introduce ECDSA and discuss its key generation, signing, and verifying procedures. Then, I will compare this algorithm to the RSA digital signature algorithm and discuss its various advantages and drawbacks. Finally, I will discuss the security of ECDSA and attacks that can break it.
digital signature information security performance speed secure review comparison hardware cryptography transmission curve mathematical federal procedure paper pdf academical
Combustion Elearning Cerfacs
Saved by uncleflo on July 16th, 2016.
Theoretical And Numerical Combustion, Recorded master courses, Additional materials for master courses
combustion theoretical numerical introduction adiabatic flame laminar flame theory university learning computation model combustor cerfacs temperature dispersion mesh analysis learn video software demonstration tool master recorded course howto information mathematical lecture show
Snell's law - Wikipedia, the free encyclopedia
Saved by uncleflo on February 22nd, 2015.
Snell's law (also known as the Snell–Descartes law and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other waves passing through a boundary between two different isotropic media, such as water, glass, or air. In optics, the law is used in ray tracing to compute the angles of incidence or refraction, and in experimental optics to find the refractive index of a material. The law is also satisfied in metamaterials, which allow light to be bent "backward" at a negative angle of refraction with a negative refractive index.
wikipedia refraction light theory media angle material optic law difference mathematical math howto interface velocity index medium normal reference 3d game design
The Engineering Toolbox - Area Moment of Inertia
Saved by uncleflo on September 2nd, 2014.
Resources, Tools and Basic Information for Engineering and Design of Technical Applications! This great website is a great lookup site for formulas and calculations used in the engineering world. Second Moment of Area or Area Moment of Inertia. Moment of Inertia of an Area, Area Moment of Inertia, also known as Second Moment of Area - I, is a property of shape that is used to predict deflection, bending and stress in beams.
engineering area strength pipe moment mechanical inertia cylinder calculator design calculate mathematics control great website beam distance calculation math mathematical MITx edx 2.01x elements of structures element structure lookup reference
Bifurcation buckling, Stability and Buckling
Saved by uncleflo on September 2nd, 2014.
Now consider the case of compressive loads and the instability they can cause. Consider only static instabilities (static loading as opposed to dynamic loading [e.g., flutter]) "A system becomes unstable when a negative stiffness overcomes the natural stiffness of the structure." Review some of the mathematical concepts. Limit initial discussions to columns.
MITx edx 2.01x beam stability buckle column bifurcation snap through mathematical mit discussion stiffness natural structure review concept load aeronautics astronautics engineering system solution position physical reality imperfection mechanical behavior deflection compression support element elements of structures
Analysis and Design of Structural Sandwich Panels - ScienceDirect
Saved by uncleflo on September 2nd, 2014.
A volume in The Commonwealth and International Library: Structures and Solid Body Mechanics Division. Howard G. Allen and B. G. Neal ISBN: 978-0-08-012870-2
MITx edx 2.01x analysis design structure sandwich panel science summary library solid body division volume commonwealth international mathematical introduction beam buckle face elements of structures element
Hypersonic Airbreathing Propulsion (AIAA Education): W. Heiser, D. Pratt, D. Daley, U. Mehta: 9781563470356: Amazon.com: Books
Saved by uncleflo on May 15th, 2014.
The next great leap for jet propulsion will be to power-sustained, efficient flight through the atmosphere. "Hypersonic Airbreathing Propulsion presents the first comprehensive, unified introduction to all elements of the scramjet engine that will make this feat possible. The text emphasizes fundamental principles, guiding concepts, analytical derivations, and numerical examples having clear, useful, insightful results.
book amazon hypersonic engine classic education propulsion airbreathing scramjet jet introduction text principle fuel engineering insight analysis mathematical
No further bookmarks found.