Labels

_fuxi (75) _IV (146) _misc (5) {610610 (30) algo (1) automatedTrading (8) banking/economy (3) book (14) c++misc (125) c++real (15) c++STL/java_container (7) cppTemplate (1) db (13) DB_tuning (4) deepUnder (1) dotnet (69) eTip (17) excelVBA (12) finance+sys (34) financeMisc (24) financeRisk (2) financeTechMisc (4) financeVol (21) finmath (17) fixedIncome (25) forex (16) IDE (24) invest (1) java (43) latency (4) LinearAlgebra (3) math (30) matlab (24) memoryMgmt (11) metaPrograming (2) MOM (15) msfm (1) murex (4) nofx (11) nosql (3) OO_Design (1) original_content (4) scriptUnixAutosys (19) SOA (7) socket/stream (15) sticky (1) subquery+join (2) swing (32) sybase (6) tech_orphan (12) tech+fin_career (30) telco (11) thread (21) timeSaver (13) tune (10) US_imm (2) US_misc (2) windoz (20) z_algo+dataStructure (4) z_arch (2) z_c#GUI (30) z_career (10) z_career]US^Asia (2) z_careerBig20 (1) z_careerFinanceTech (11) z_FIX (6) z_forex (31) z_hib (2) z_ikm (7) z_inMemDB (3) z_j2ee (10) z_oq (14) z_php (1) z_py (26) z_quant (4) z_skillist (3) z_spr (5)

Tuesday, September 6, 2011

IV @ an option exchange - hash on strings

Q: give A hashing algorithm to return an int < 300,000 given a 7-char string. No loop no math.
%%A: i guess some simple math still needed. Perhaps bit wise operation on the 56 bits.