Optimum-Interval Punched-Card Tables
نویسندگان
چکیده
منابع مشابه
Punched-Card to Magnetic-Tape Converter
THE principal devices for converting source data to magnetic tape recording for Univac* are the card-to-tape converter and the Unityper. * Unityper is the, logical conversation medium for input of 'otherwise untreated data. Files of punched cards, however, represent to the owner an investment of time and expense in preparing material for other treatment. The card-to-tape converter provides a me...
متن کاملA punched-card system for the laboratory.
A punched-card system was developed to simplify the administrative aspects of the clinical chemistry laboratory. In it a three-part requisition and samples are matched and given a laboratory number. The third copy of the original laboratory requsition is a charge card also used as a name file for the day. Prepunched cards, coded for laboratory tests, are used for each test requested. The labora...
متن کاملPunched-Card Systems and the Early Information Explosion, 1880-1945
Montréal. Il a pour mission la promotion et la valorisation de la recherche. Érudit offre des services d'édition numérique de documents scientifiques depuis 1998. Note : les règles d'écriture des références bibliographiques peuvent varier selon les différents domaines du savoir. Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduct...
متن کاملA Generalized Decision Logic in Interval-Set-Valued Information Tables
A generalized decision logic in interval-set-valued information tables is introduced, which is an extension of decision logic studied by Pawlak. Each object in an interval-set-valued information table takes an interval set of values. Consequently, two types of satisfiabilities of a formula are introduced. Truth values of formulas are defined to be interval-valued, instead of single-valued. A se...
متن کاملOptimum inspection interval for hidden functions during extended life
Notation and Acronyms α scale parameter β shape parameter φ demand rate for the hidden function per hour CA cost of an accident CI cost of inspection COC opportunity cost of lost production Cr cost of repair CRep cost of Discard FFI Failure Finding Inspection F(t) unreliability function FN(t) conditional probability of failure within the N extended FFI Fk(t) conditional probability of failure w...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mathematics of Computation
سال: 1944
ISSN: 0025-5718
DOI: 10.1090/s0025-5718-44-99043-5