When the logarithmic function is approximated by sequences of algebraic functions, similar questions can be posed as in the case of other similar problems. So, for example, it is interesting to ...

G. H. Golub, V. Pereyra, The Differentiation of Pseudo-Inverses and Nonlinear Least Squares Problems Whose Variables Separate, SIAM Journal on Numerical Analysis, Vol ...

First we have proportional parts of all numbers up to 100; then on one page three-place logarithms of numbers and of the six trigonometric functions, natural and logarithmic.