Download A Survey of Computational Physics: Introductory by Rubin H. Landau PDF

By Rubin H. Landau

Computational physics is a swiftly transforming into subfield of computational technological know-how, largely simply because pcs can clear up formerly intractable difficulties or simulate normal methods that don't have analytic recommendations. your next step past Landau's First path in clinical Computing and a follow-up to Landau and Páez's Computational Physics , this article offers a huge survey of key themes in computational physics for complicated undergraduates and starting graduate scholars, together with new discussions of visualization instruments, wavelet research, molecular dynamics, and computational fluid dynamics. by means of treating technology, utilized arithmetic, and laptop technology jointly, the booklet unearths how this information base could be utilized to a much wider variety of real-world difficulties than computational physics texts generally address.

Designed for a one- or two-semester path, A Survey of Computational Physics also will curiosity somebody who desires a reference on or useful event within the fundamentals of computational physics. The textual content incorporates a CD-ROM with supplementary fabrics, together with Java, Fortran, and C courses; animations; visualizations; colour figures; interactive Java applets; codes for MPI, PVM, and OpenDX; and a PVM tutorial.

  • Accessible to complex undergraduates
  • Real-world problem-solving procedure
  • Java codes and applets built-in with textual content
  • Accompanying CD-ROM comprises codes, applets, animations, and visualization records
  • Companion site contains video clips of lectures

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Extra resources for A Survey of Computational Physics: Introductory Computational Science

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The actual exponent, which may be negative, is p = e − bias. 1 EXAMPLE: IEEE SINGLES REPRESENTATIONS There are two basic, IEEE floating-point formats, singles and doubles. Singles or floats is shorthand for single- precision floating-point numbers, and doubles is shorthand for double-precision floating-point numbers. Singles occupy 32 bits overall, with 1 bit for the sign, 8 bits for the exponent, and 23 bits for the fractional mantissa (which C O P Y R I G H T 2 0 0 8 , P R I N C ETO N U N I V E R S ITY P R E S S E VA L U AT I O N C O P Y O N LY.

In other words, except for powers of 2 that are represented exactly, we should assume that all single-precision numbers contain an error in the sixth decimal place and that all doubles have an error in the fifteenth place. And as is always the case with errors, we must assume that we do not know what the error is, for if we knew, then we would eliminate it! Consequently, the arguments we put forth regarding errors are always approximate, and that is the best we can do. C O P Y R I G H T 2 0 0 8 , P R I N C ETO N U N I V E R S ITY P R E S S E VA L U AT I O N C O P Y O N LY.

1)]. The corresponding disadvantage is that small numbers (those for which the first string of α values are zeros) have large relative errors. Because in the real world relative errors tend to be more important than absolute ones, integers are used mainly for counting purposes and in special applications (like banking). Most scientific computations use double-precision floating-point numbers (64 b = 8 B). The floating-point representation of numbers on computers is a binary version of what is commonly known as scientific or engineering notation.

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