Hidden Markov Models (HMMs). A hidden Markov model models a Markov process, but assumes that there is uncertainty in what state the system is in at any given time. A common metaphor is to think of the HMM as if the Markov Model were a mechanism hidden behind a curtain.
For the scientific journal, see Molecules (journal) . 3D (left and center) and 2D (right) representations of the terpenoid molecule atisane. A molecule (/ËmÉlÉªkjuËl/ from Latin moles mass) is an electrically neutral group of two or more atoms held together by chemical bonds.
Part of the Computing fundamentals glossary: A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound. Molecules are made up of atom s that are held together by chemical bonds.