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Majorization of ODEs: comparison of solutions

https://sudonull.com/majorization-of-odes-comparison-of-solutions

Majorization theorem for systems of ODEs: conditions, proof via homotopy, application to Gronwall inequality. For developers of numerical methods.

Ballistics modeling with Cx(M) and ρ(h) in Python

https://sudonull.com/ballistics-modeling-with-cx-m-and-ρ-h-in-python

Numerical solution of external ballistics problem with Cx depending on Mach and air density on altitude. RK4, Python code, results: 29 km range. For developers.

Differential in geometric algebra: numerical method

https://sudonull.com/differential-in-geometric-algebra-numerical-method

Learn how to express the generalized differential in GA through oriented volume and finite differences. Off-grid interpolation, component separation. For developers and specialists.

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