IndexedVariable _ Ring -- get a ring variable by name

Synopsis

• Usage:

  v_R

• Operator: _
• Inputs:

  • v, an indexed variable
  • R, a ring
• Outputs:

  • a ring element, the variable of R whose name is the indexed variable v

Description

i1 : R = QQ[t_1..t_4]

o1 = R

o1 : PolynomialRing

i2 : S = QQ[t_1..t_12]

o2 = S

o2 : PolynomialRing

i3 : (t_1)_R

o3 = t
      1

o3 : R

See also

• Ring _ ZZ -- get a ring variable by index
• Ring _ String -- get a ring variable by name