WEIERSTRASS'S NON-DIFFERENTIABLE FUNCTION
WEIERSTRASS'S NON-DIFFERENTIABLE FUNCTION
WEIERSTRASS'S NON-DIFFERENTIABLE FUNCTION
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
316 G. H. HARDY: [July<br />
and that J2 and Ji tend to limits X2 and -A, the former of these limits, for<br />
example, being given by the formula<br />
wherein t = — T.<br />
Suppose next that T -* » . Then we have, in -£3,<br />
r-o(i) ^- dG 0{1)*<br />
G~0(1)' dn-~dt~a^ '<br />
log7=0(f2)' ¿log7=-^log7 = 0(¿)'<br />
uniformly for 0 ^= a ^= ß. Thus «A -* 0, and similarly Xt -» 0. Also -A<br />
and J3 obviously tend to limits X and