Learning Guide Learning Guide

function5.3 Structural Manipulations • 181> op( op1 );xThe name x is a symbol.> whattype( op(op1) );symbolSince you did not assign a value to x, it has only one operand, namelyitself.> nops( x );1> op( x );xYou can represent the result of finding the operands of the operandsof an expression as a picture called an expression tree. The expressiontree for expr looks like this.+3*sinsin^2xxcosx2The operands of a list or set are the elements.