Collects common powers of a term in an expression

Collects common powers of a term in an expression

collect(x, a)

Arguments

x, a

A caracas_symbol

Examples

if (has_sympy()){
  def_sym(x, y, z)
  expr = x*y + x - 3 + 2*x**2 - z*x**2 + x**3
  collect(expr, x)
}
#> c:  3    2                        
#>    x  + x ⋅(2 - z) + x⋅(y + 1) - 3