The text gives the mathematics behind the various numerical techniques and also describes in general terms the procedures followed by the various computation programs. The software is open-source; that is, the source code for each computation program is available for inspection. Thus a student is able, when conversant with programming languages, to adapt these programs to other uses. Chapters 1 through 15 can be read by a student who has completed the calculus sequence and an elementary linear algebra course. The final chapter, Chapter 16, requires some acquaintance with complex analysis.
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