May, iqij 



PROCEEDINGS 



OF THE 



ROYAL IRISH ACADEMY 



Volume XXXIV, Section A, No. 1 



FRANK L. HITCHCOCK 



ON THE SIMULTANEOUS FORMULATION 

 OF TWO LINEAR VECTOR FUNCTIONS 



DUBLIN 



HODGES, FIGGIS, & CO. Ltd 

 LONDON: WILLIAMS & NORGATE 



1917 

 Price Sixpence 



