Altair slc r python compute the area between two curves AI sympy trapezoid
Too long to post here, see github
https://github.com/rogerjdeangelis/utl-altair-slc-r-python-compute-the-area-between-two-curves-AI-sympy-trapezoid
SIWMENS FORUM
https://support.industry.siemens.com/cs/document/42469594
Two Solutions
1 python symbolic calculus
2 r pracma traezoid