The saturated vapour pressure of water is tabulated as at and at

PHYSICS · Subjective · Fermi University Physics · Mathematical Methods for Physics · Numerical and computational mathematics · Numerical and computational mathematics

Computational Physics, Ch Where a function vanishes, and what lies between the points

Problem

The saturated vapour pressure of water is tabulated as

2.339\,\mathrm{kPa}

20^\circ\mathrm{C}

and

4.246\,\mathrm{kPa}

30^\circ\mathrm{C}

. Using the degree-one Lagrange (linear) interpolating polynomial through these two points, estimate the vapour pressure at

25^\circ\mathrm{C}

Browse the problem library