Whats the LCAO theory, and why we assume the orbitals in an atom as a wave for explaining the LCAO theory?

Whats the LCAO theory, and why we assume the orbitals in an atom as a

1.	Whats the LCAO theory, and why we assume the orbitals in an atom as a wave for explaining the LCAO theory?
Answer» The MOLECULAR orbital are FORMED by the LCAO of the WAVE function of the PARTICIPATING atomic orbitals.In LCAO method each molecule has set of Molecular orbital(MO).