785d1f14-deb8-40de-987f-04c106ed7a2a 19 RegRetired 4 5 false false false 0 3 decimal

&[DATE] &[TIME] - &[FILENAME]

EXAMPLE PROBLEM FROM Smath for Physics, A primer
Section 7.4, Pages \[REGION[8cf0c2c6732746b8961905a73c7dd4e2]]\

117118 -

FROM PAGE 117

ANS t Ia t Ib 2 1 sys 0.5 5 Rkadapt :

t Ia' 4 t Ia * - 3 t Ib * + 6 + ≡

0 Ia 0 ≡

0 Ib 0 ≡

t Ib' 2.4 t Ia * - 1.6 t Ib * + 3.6 + ≡

The author apparently had an older version of SMATH that did not have the Mathcad Toolbox and the Mathcad Block Insert. He had to program
his own fourth order Runge-Kutta routine. His results were aproximately = exact solution. This newer method gives the exact solution!

ANS 000 0.1 0.538264 0.319632 0.2 0.968513 0.568792 0.3 1.310737 0.760745 0.4 1.581284 0.906333 0.5 1.793527 1.014415 63 mat

<<<<<<=====Thes answers are exact.

CURRENT.a ANS 1 col ANS 2 col augment :

CURRENT.b ANS 1 col ANS 3 col augment :

CURRENT.a CURRENT.b 2 1 sys