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We require a two-variable function
to specify a solution for the string. This is because a solution
should give the degrees of freedom at any time t. If we wish to
know the degrees of freedom y(x) at time
, we can get these
from a function y(x,t) by substituting the value of the time and
generating a formula for y(x):
.
Tomas Arias
Mon Oct 15 16:15:07 EDT 2001