IBM 1620 Programming for Science and Mathematics

Mathematics for Computer Science

ly, taking a step amounts to applying a function, and going step by step corresponds to applying functions one after the other. This is captured by the operation of composing functions. Composing the functions f and g means that first f is applied to some argument, x, to produce f .x/, and then g is applied to that result to produce g.f .x//. Definition 4.3.1. For functions f W A ! B and g W B ...

MPI Programming Environment for IBM SP1/SP2

In this paper we discuss an implementation of the Message Passing Interface standard (MPI) for the IBM Scalable Power PARALLEL 1 and 2 (SP1, SP2). Key to a reliable and eecient implementation of a message passing library on these machines is the careful design of a UNIX-Socket like layer in the user space with controlled access to the communication adapters and with adequate recovery and ow con...

Mathematics and Science

Mathematics : Art and Science

Editor's note: Apart from some minor changes, the following article is a translation of the text of a lecture delivered, in German, at the Carl Friedrich von Siemens Stiftung, Munich, on May 7, 1981, and, in a slightly modified form, as the first of three "'Pauli-Vorlesungen", on February 1, 1982, at the Federal School of Technology, Zurich. The Intelligencer requested permission from the autho...

Mathematics and Science

Roughly one-third of these one hundred Princeton University Press books (PUP) fall in the domain of science or mathematics, approximately evenly divided between the two. Some readers, particularly those who disliked both science and mathematics in school, may ask why distinguish the two. Surely science and mathematics are inseparable, two sides of the same coin. Given that most of this essay...