Displaying 1 result from an estimated 1 matches for "xsqr".
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sqr
2001 Apr 06
2
symbolic manipulations
...name <- deparse(substitute(var))
D(tmp, name)
}
(The code also works in R).
When I try this on x^2 I get
> my.deriv(x^2, x)
2 * x
Suppose I assign the output of my.deriv(x^2, x) to deriv.xsqr :
> deriv.xsqr <- my.deriv(x^2, x)
> deriv.xsqr
2 * x
>
My question is, how do I take the derivative of deriv.xsqr
(I want the answer to be 2) ?
The naive guess
> my.deriv(deriv.xsqr, x)
[1] 0...