Changtong Luo's ideas
Backward stepwise elimination: A model-based method for nonlinear dimension reduction
In multidimensional data modeling, dimension reduction is not intuitive. Forward feature selection is usually deceptive. That is, a strongly related feature may have a small correlation coefficient (near zero) to the objective, especially when the... continue reading
A simple form of Rayleigh pitot tube formula
Rayleigh pitot tube formula is a very basic and commonly used formula in aerodynamics. It gives the rate of the total pressure behind a normal shock wave and the pressure of freestream at a given Mach number. Although the relation is rigorous in... continue reading
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