2528df0f75
These changes make it unnecessary to copy header files around during the build process, which tends to confuse IDEs and debuggers. The headers which comprise Cantera's external C++ interface are now in the 'include' directory. All of the samples and demos are now in the 'samples' subdirectory.
30 lines
1 KiB
Matlab
Executable file
30 lines
1 KiB
Matlab
Executable file
function nu = stoich_net(a,species,rxns)
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% stoich_net Net stoichiometric coefficients.
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%
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% nu = stoich_net(a)
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%
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% Returns a sparse matrix of all net (product - reactant)
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% stoichiometric coefficients. The matrix element nu(k,i) is the
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% net stoichiometric coefficient of species k in reaction i.
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%
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% nu = stoich_net(a, species, rxns)
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%
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% Returns a sparse matrix the same size as above, but
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% containing only entries for the specified species and
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% reactions. For example, stoich_net(a,3,[1 3 5 7]) returns a
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% sparse matrix containing only the coefficients for species 3
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% in reactions 1, 3, 5, and 7.
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%
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% Note that the net stoichiometric coefficients may be negative,
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% unlike the reactant or product stoichiometric coefficients.
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%
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% See also: stoich_r, stoich_p.
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%
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if nargin == 1
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nu = stoich_p(a) - stoich_r(a)
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elseif nargin == 3
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nu = stoich_p(a,species,rxns) - stoich_r(a,species,rxns);
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else
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error(['syntax error. Type ''help stoich_net'' for more' ...
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' information.'])
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end
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