Vectors and Matrices

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The matrix multiplication does not work because the sizes are inconsistent.

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Same example for water and water complexes: use the matrix watmat to store molecular formulas for each type of molecule in the system

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The vector molvec is used to store the number of each kind of molecule

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The vector atomvec is used to store the number of each atomic species that is present

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The vector eq is now defined and its two elements are equations that give the number of hydrogen atoms and the number of oxygen atoms:

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Created by Mathematica  (September 21, 2005)