Exponential Forms:

In engineering practice exponential dependence of variables are rather common. A classic instance is y = bx^m. On a log-log plot the slope of the straight line from the points is m & the intercept at x = 1 represent b. A more common representation is

                                 y = b + a x^m.

The steps involved in the calculation of a, b and m are:

(a) Determine the value of b.

(b) Evaluate m through a log-log plot of y - b versus x.

(c) By using m from step (b) plot y versus xm.

(d) The resulting curve must be a straight line along a slope a and an intercept b (more correct value).

(e) By using this b repeat from step (b).