Re: [R] Adding and Multiplying two Unevaluated Expressions

2009-12-02 Thread Uwe Ligges
Benjamin Müller wrote: HI, As I'm trying to compute Taylor series, I'm having problems in adding and multiplying unevaluated expressions. I searched for a solution but found none. my Taylor function works fine for evaluating functions as you can see here: rTaylorVal=function(exp,x0,dx,n) {

[R] Adding and Multiplying two Unevaluated Expressions

2009-12-01 Thread Benjamin Müller
HI, As I'm trying to compute Taylor series, I'm having problems in adding and multiplying unevaluated expressions. I searched for a solution but found none. my Taylor function works fine for evaluating functions as you can see here: rTaylorVal=function(exp,x0,dx,n) { ls=list(x=x0) newexp=eva