real proeedure perl (A, n) j integer nj array Aj comment Let A be an n X n real matrix, n > 1. The permanent function of A, denoted per(A), is computed by H. J. Ryser's [1] expansion formula: n-l T… Expand

1. The intake of zinc in the West of Scotland was determined by atomic absorption spectrometry, in ninety-six items of food which make up the local standard diet for 1 week. 2. The diet contained… Expand

A study of the programming efforts of students in an introductory programming course is presented and the effects of having instant turnaround (a few minutes) as opposed to conventional batch processing with turnaround times of a few hours are examined.Expand

In this paper a small set of generally available primitive subroutines, and fortran , are used to pragmatically provide a degree of portability for a second level graphics package.Expand

Extant, extinct, and proposed systems for performing interactive mathematics are surveyed, with special attention to systems with graphical output.Expand

An interactive program for data-fitting by the method of least squares is discussed in some detail, and an extensive discussion of the use of the program is given.Expand