Substitute Command

CAS Syntax

Substitute( <Expression>, <from>, <to> )

Substitutes from in expression with to.

Examples:

  • Substitute((3 m - 3)^2 - (m + 3)^2, m, a) yields 8 a2 - 24 a.

Substitute( <Expression>, <Substitution List> )

Substitutes in expression every variable of the list with the variable or number you choose for it.

Substitute(2x + 3y - z, {x = a, y = 2, z = b}) yields 2a - b + 6.