Check if object is a caracas matrix — symbol_is_matrix • caracas

Check if object is a caracas matrix

symbol_is_matrix(x)

Arguments

x: An object

Examples


if (has_sympy() && sympy_version() >= "1.6") {
  x <- vector_sym(4)
  symbol_is_matrix(x)   ## TRUE
  x2 <- as.character(x) ## "Matrix([[v1], [v2], [v3], [v4]])"
  symbol_is_matrix(x2)  ## TRUE
  x3 <- as_character_matrix(x) ## R matrix
  symbol_is_matrix(x3)  ## FALSE 
}
#> length not 1
#> [1] FALSE