CIA-RDP82-00039R000100070050-9.pdf

Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039R000100070050-9 Ps —_—— PRUSENY SIEATUS AND DEVELOPMENT OF CUSPUTING TECHNIQUES 2 August 1950 CONFIDENTIAL Hopp os 4 \ Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039R000100070050-9 te 50X1-HUM 50X1-HUM

Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039R000100070050-9 _——— 50X1-HUM ; “a 4 om * ‘ . : Per. on ‘Proat.o ecaputing tacts are eoeential in solving problene oft. . . ‘ a pope “widsitore weshandoo, seodeay, ‘Moptysion, ‘theory of Linear and nontinesr "oy a |, eegddlations, lands me, end air artillery, bomb-sighting, anti-airoraft | ee  @Aniey, Leogerangs ‘Feokets Thich are directed by special control instn= | ; mente for firing and sighting. The exeaples Given demonatgfte the’ lmportinee art . diversity of the problems: whioh must be solved ty comput…

50X1-HUM Sgmruenriay SEE iniaadl ' which eeald not be obtained in any other way. 4  Mowever, qualitatinp oeduiions alone’ are inwefticsent for the practical eclue | po "Man oF moot problems of piston and exgioearing, oe mo bo - "Another wend equally isportent stems from the desire of physicists ond . engineers. to ‘redase mathematical. ution to numbers, tables, graphs, or wa nomograms; that ia, to the stage closest io the consumer who requires pracs =. we “deel ahewirs to his probleme from the nathenaticten, - Our report deale with the segond trend) that is, with nw@Bbrioa) methods for solving…

shite af , mene frosenitiink vom nn ae a ay aoe oF ‘ tot ae il sox: | (1) where oj Fenton wed inthe expnsin found by iteratdve cperstiona, For exemple, in expansion in orthogonal syetens ' | (trigoncmetrie and Besse) functions, ietos), ‘that is, somcalled havmonic analysis a TH fens (2)6 a The member of coefficients which mst be ealowlated 19 sometines very qreat. For expe, in the aolation of one Antegro=differential @quation in the " Divisdon of Approxinate Calowlations, Institute of Mathematics, it ms necessary te Caleulate 25 coefficients dateruined ty the integrals (2) with infinite limite…

/ Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039R000100070050-9 * , . , \ ' es re) “4 a ty ‘ o “a triste pero nec ame sate oe ee, a ecrinck ritionsefioptend of sivirais equations sis ichees pry sooty | po, —Teertam) oarelaay any mjetsttios inte stad of elinintion of ot panes an foe tee dati wer Sane oe ‘are ecsomnteted ia the mithed of! eweseeive approximations, ete. a. t any abi gf Sun ene for Aon smart elaton of proton an spplied mathemsties terecnnested with 8 single difficulty, 00+, the performese of large-enele dteretin calocletionss an rs apricot …

7 "Wy stun et porn suai peretSanne the prioneb.ad rebslving Sepen r ealecietiela into mre clesitehiiry onte say be opitimed farther, Te, my complex sigerttin can ve roseived into.a series of elestalezy sperntions (00 an _ the eritimtia operations ate veuslly cenaidered), dete, inte "Logisal! ere Mone (abestion and ecabination' of muarical data for operation on it, elassi« fteation of data aosending to certain sharecteriettoe, eiteaticn fron table ete.) and into determination of intermediate and end results, Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039…

ate ital ap ' ‘ 3, sey ao ti tnd pt , om ed te i te ta i dt eroep inated digital eempabere, ‘which model discrete quantities | ot persion of tm (uinaeing,scettinreniiny salting o Jn tases devices, te discevie natheentionl quantity cerremponde to a | . " ddsoretp valle of came mechanical quantity enumerated in a decinal or other F ' gimtlar aystemte Por exemple, in writing a given value of thie quantity in a den eins) aysten, Ube muber of unite of it corresponis to the sone maber ef engular or Linear displacements of the linkage which registers unites the number of , “tana corresponds to the su…

Declassified in Part - Sanitized Copy Approved for Release 2012/05/21 : CIA-RDP82-00039R0001 00070050-9 - Al erating CAftvoemAish equatiine Sentiuited wafer {ie éirestion of Tz 8. best, Ceevonpenting Henke of the heateay of Seienced W002, fi'the Pome Ingimering Tnetivete, logdeny of etensee VOOR, end the edleudetingwensiytica) mechine of ’ the Fysere fie are exenpley of aochetioal oupaters, or valeclatore, " . Tn elestrieal ecoputerd, quentltion are escigued and obtained ty the electri oa) method) the mathemtion) relation between assigned aed dexired quntities As also iaplepented electrically,…