ND Arrays (Tensors) in different languages

Code: Thanks much to Casper Sørensen for hi and bye (and Bjarne Stroustrup) in Danish! - Also thanks much to Troels Henriksen and @code_report for answering questions on Futhark and APL, respectively. 0:00 Intro with LibreOffice Calc 2:38 C (cpp) 2:50 Python 9:02 Octave 12:41 Futhark 14:08 APL 17:48 R (rlang) 19:22 PyTorch