Numerical and Levenberg–Marquardt backpropagation neural networks computation of ternary nanofluid flow across parallel plates with Nield boundary conditionsRam Prakash Sharma, J. K. Madhukesh, Sunendra Shukla and B. C. PrasannakumaraEur. Phys. J. Plus, 138 1 (2023) 63DOI: https://doi.org/10.1140/epjp/s13360-023-03680-4