Hello,
No, it is not a bug - just a SMath feature. You divided a scalar (RU) with a matrix (RL), that is wrong. Reciprocal of a matrix gives its inverse, not the reciprocal of its elements as you wanted.
Please see the attached corrections
Regards,
Radovan
Vreg-corr.sm (20.21 KiB) downloaded 288 time(s).
When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"