GUIDE
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Functions
URL
Substitution Systems in the Wolfram Physics Project
String substitution systems are an important simplified case of Wolfram models, particularly relevant in studying phenomena related to quantum mechanics.
Basic Evolution
SubstitutionSystem
— evolution of string substitution systems
RulePlot
— visualization of substitution system rule
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SubstitutionSystemPlot
— neighbor-independent substitution system visualization
Alternate Updating Orders
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SequentialSubstitutionSystem
— update at each position in left-right order
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PrioritizedSubstitutionSystem
— update at specified positions
Causal Graphs, etc.
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SubstitutionSystemCausalGraph
— generate a causal graph for a substitution system
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SubstitutionSystemCausalEvolution
— evolution including causal information
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SubstitutionSystemCausalPlot
— visualize evolution including causal information
Rules & Initial Conditions
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EnumerateSubstitutionSystemRules
— enumerate rules with a given signature
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RandomSubstitutionSystemRule
— random rule with a given signature
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EnumerateRuleSignatures
— enumerate signatures involving given number of elements
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StringTuples
— enumerate possible tuples of a given set of characters
Causal Invariance, etc.
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CausalInvariantQ
— test if a rule is causal invariant
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StringOverlapsQ
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StringOverlaps
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OverlapFreeStringTuples
Multiway Substitution Systems »
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MultiwaySystem
— multiway evolution and properties
RelatedGuides
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Wolfram Physics Project Functions
RelatedLinks
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Wolfram Physics Project Home Page
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Hands-On Introduction to the Wolfram Physics Project
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Wolfram Physics Project: Technical Introduction