Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition (1914)
Horsburg, E. M. (Ellice Martin), Napier Tercentenary Exhibition (1914 : Edinburgh, Scotalnd) · London : G. Bell · leaf 253
nB I sin nQdv 0 0 /bn = — y sin nddd 0 -,2ir -2tt ---y cos n6 h / cos nOdy. UTT n— J If the curve to be analysed is continuous, the terms in the square bracketsdisappear. In this case the initial and final values of y are the same, i.e.referring to fig. 2, AA=BB and the coefficients are given by 0… … Fig. 2. *-~—c /^ \ B / /^^ B c . .—. i . B Fig. 3. 6=21T INSTRUMENTS OF CALCULATION 225 If the initial and final values of v be not the same (see fig. 3), and if in additionthere be a discontinuity at the point C for which 6 = 6, .8 „2tt Tran = \y cos nOd& + \y cos n$dO. •o -V integrating by…
