Contents
Preface 111
1 Prelin1inaries 1
1.1 Difference equations l
1.2 So1ne variants of the eliinination n1ethocl ;34
2 Basic concepts of the theory of difference schemes 41
2.1 Relevant ele1nents of functional analysis 41
2.2 Difference approximation of ele1nentary differential operators 50
2.3 Stability of a difference sche1ne 87
2.4 Mathematical apparatus in the theory of difference sche1nes 98
2.5 Difference sche1nes as operator equations.
General formulations 116
3 Ho111ogeneous difference sche111es 145
3 .1 Homogeneous schen1es for second-order equations with
variable coefficients 145
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