It is mostly out of habit. These days there are no differences between languages. Very often they compile to the same machine code. Fortran array syntax is light years ahead of what C++ offers (yes including std::linalg and that's why numpy, julia, matlab picked it up) but lacks everything else as a language including often claimed portability.
It is mostly out of habit. These days there are no differences between languages. Very often they compile to the same machine code. Fortran array syntax is light years ahead of what C++ offers (yes including std::linalg and that's why numpy, julia, matlab picked it up) but lacks everything else as a language including often claimed portability.