04: Direkte und Inverse Kinematik, Denavit-Hartenberg Konvention, Jacobi-Matrizen

New channel KIT Lehre und Wissen: title sample judged 'pick' (Mostly full university lecture recordings across CS/math/engineering which clearly pass the bar, but mixed with program-); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.