A Classical Approach to Eigenvalue Problems Associated with a Pair of Mixed Regular Sturm - Liouville Equations
نویسندگان
چکیده
In the studies of acoustic waveguides in ocean, buckling of columns with variable cross sections in applied elasticity, transverse vibrations in non-homogeneous strings, etc., we encounter a new class of problems of the d2 yl X-2-rUl()Yl-"Yl defined on an interval [dl,d2] and type L lyldy L2Y2 + q2(x)y2 .y2 on the adjacent interval [d2, d3] satisfying certain matching conditions at the interface point x-d 2.
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