formula
Return body of symbolic function or matrix function
Syntax
Description
Examples
Return Body of Symbolic Function
Return the body, or definition, of a symbolic function by using formula
.
syms x y f(x,y) = x + y; formula(f)
ans =
If the symbolic function does not have a definition, formula
returns the symbolic function.
syms g(x,y)
formula(g)
ans =
Return Body of Symbolic Matrix Function
Return the body, or definition, of a symbolic matrix function by using formula
.
syms A 2 matrix syms f(A) 2 matrix keepargs f(A) = A*A - 3*A + 2*eye(2); formula(f)
ans =
If the symbolic matrix function does not have a definition, formula
returns the symbolic matrix function.
syms g(A) [1 2] matrix keepargs formula(g)
ans =
Input Arguments
f
— Input function
symbolic function | symbolic matrix function
Input function, specified as a symbolic function or symbolic matrix function.
Data Types: symfun
| symfunmatrix
Version History
Introduced in R2012aR2022a: Return body of symbolic matrix functions
The formula
function accepts an input argument of type
symfunmatrix
. For an example, see Return Body of Symbolic Matrix Function.
See Also
argnames
| syms
| symvar
| symfun
| symfunmatrix
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