Direction cosines and direction ratios of a vector. Types of vectors (equal, unit, zero, parallel and collinear vectors), position vector of a point, negative of a vector, components of a vector ...

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Max Planck Institute for the Structure and Dynamics of Matter and Center for Free-Electron Laser Science, Luruper Chaussee 149, Hamburg 22761, Germany Max Planck Institute for the Structure and ...

Core, desktop application and website for Sparks NMN, a natural text format for composing numbered music notation scores.