Figure 1.
Real solutions of eqn. (1) as intersection of the functions and x for several values of w (left) and as function of w (right). Comparison with the natural logarithm (intersections at horizontal line at 1) is also shown on the left.
Real solutions of eqn. (1) as intersection of the functions and x for several values of w (left) and as function of w (right). Comparison with the natural logarithm (intersections at horizontal line at 1) is also shown on the left.