![]() IfElse.ifelse(cond,x,y): this is a dispatch-able version of the ifelse function provided by IfElse.jl which allows for encoding conditionals in the symbolic branches.Symbolic Control FlowĬontrol flow can be expressed in Symbolics.jl in the following ways: This will work for any floating-point input, as well as symbolic input. You can also perform numeric computations with high precision. If you want to create a MATLAB array of numbered symbolic variables, the syms syntax. Symbolic Math Toolbox lets you convert data between symbolic and MATLAB numeric data types. Note that in Symbolics, we always use Sym\left( \pi \right) \right) You can create symbolic numbers by using sym. ![]() Sym, Term, and FnType are from SymbolicUtils.jl. Then, at the top, an Equation, normally written as op1 ~ op2, defines the symbolic equality between two operations. For example, op1 = x+y is one symbolic object and op2 = 2z is another, and so op1*op2 is another tree object. Registered (mathematical) functions on Syms (or istree objects) return an expression that istree. The base of the IR is the Sym type, which defines a symbolic variable. Because isAlways cannot determine the condition, it issues a warning and. syms x cond in (x,'real') cond in (x, 'real') Evaluate the condition using isAlways. Express the condition that x is of type Real. ![]() The syntax in (x,type) expresses the condition that x is of the specified type. Symbolics IR mirrors the Julia AST but allows for easy mathematical manipulation by itself following mathematical semantics. Express Condition on Symbolic Variable or Expression.
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