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OpenMx (version 2.7.9)

mxAlgebraFromString: Create MxAlgebra object from a string

Description

Create MxAlgebra object from a string

Usage

mxAlgebraFromString(algString, name = NA, dimnames = NA, ...)

Arguments

algString
the character string to convert into an R expression
name
An optional character string indicating the name of the object.
dimnames
list. The dimnames attribute for the algebra: a list of length 2 giving the row and column names respectively. An empty list is treated as NULL, and a list of length one as row names. The list can be named, and the list names will be used as names for the dimensions.
...
Not used. Forces any remaining arguments to be specified by name.

See Also

mxAlgebra

Examples

Run this code
A <- mxMatrix(values = runif(25), nrow = 5, ncol = 5, name = 'A')
B <- mxMatrix(values = runif(25), nrow = 5, ncol = 5, name = 'B')
model <- mxModel(A, B, name = 'model',
  mxAlgebraFromString("A * (B + A)", name = 'test'))
model <- mxRun(model)
model[['test']]$result
A$values * (B$values + A$values)

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