(*^ ::[paletteColors = 128; automaticGrouping; currentKernel; fontset = title, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeTitle, center, M7, bold, L1, e8, 24, "Times"; ; fontset = subtitle, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeTitle, center, M7, bold, L1, e6, 18, "Times"; ; fontset = subsubtitle, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeTitle, center, M7, italic, L1, e6, 14, "Times"; ; fontset = section, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeSection, grayBox, M22, bold, L1, a20, 18, "Times"; ; fontset = subsection, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeSection, blackBox, M19, bold, L1, a15, 14, "Times"; ; fontset = subsubsection, inactive, noPageBreakBelow, nohscroll, preserveAspect, groupLikeSection, whiteBox, M18, bold, L1, a12, 12, "Times"; ; fontset = text, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = smalltext, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 10, "Times"; ; fontset = input, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeInput, M42, N23, bold, L1, 12, "Courier"; ; fontset = output, output, inactive, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeOutput, M42, N23, L-5, 12, "Courier"; ; fontset = message, inactive, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeOutput, M42, N23, L1, 12, "Courier"; ; fontset = print, inactive, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeOutput, M42, N23, L1, 12, "Courier"; ; fontset = info, inactive, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeOutput, M42, N23, L1, 12, "Courier"; ; fontset = postscript, PostScript, formatAsPostScript, output, inactive, noPageBreakBelow, nowordwrap, preserveAspect, groupLikeGraphics, M7, l34, w282, h287, L1, 12, "Courier"; ; fontset = name, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, italic, L1, 10, "Times"; ; fontset = header, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = Left Header, nohscroll, cellOutline, 12; fontset = footer, inactive, nohscroll, noKeepOnOnePage, preserveAspect, center, M7, L1, 12; fontset = Left Footer, cellOutline, blackBox, 12; fontset = help, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 10, "Times"; ; fontset = clipboard, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = completions, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12, "Courier"; ; fontset = special1, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = special2, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = special3, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = special4, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12; fontset = special5, inactive, nohscroll, noKeepOnOnePage, preserveAspect, M7, L1, 12;] :[font = title; inactive; preserveAspect; startGroup; ] Bisection Method :[font = section; inactive; Cclosed; preserveAspect; startGroup; ] Exercise 4 :[font = input; preserveAspect; startGroup; ] ?Bisect :[font = info; inactive; preserveAspect; endGroup; ] Bisect[f[x], {x, a, b}, eps] Carry out bisections to meet tolerance eps :[font = input; preserveAspect; ] Bisect[x^2 - 5, {x, 2, 3}, .05] :[font = input; preserveAspect; ] %^2 :[font = input; preserveAspect; ] Bisect[x^2 - 5, {x, 2, 3}, .0005] :[font = input; preserveAspect; endGroup; ] %^2 :[font = section; inactive; Cclosed; preserveAspect; startGroup; ] Exercise 5 :[font = input; preserveAspect; endGroup; ] h = 1; s = 400; Bisect[Cos[s/r] - r/(r + h), {r, 80000, 80001}, .0005] :[font = section; inactive; Cclosed; preserveAspect; startGroup; ] Exercise 6 :[font = input; preserveAspect; endGroup; ] h = 1; s = 400; Bisect[Cos[s/r] - r/(r + h), {r, 80000, 80001}, .0000005] :[font = section; inactive; Cclosed; preserveAspect; startGroup; ] Exercise 7 :[font = text; inactive; preserveAspect; ] Recall that an approximate solution is r=s^2/2h :[font = input; preserveAspect; ] 500^2/2 :[font = input; preserveAspect; ] h = 1; s = 500; f[r_] := Cos[s/r] - r/(r + h) :[font = input; preserveAspect; ] f[125000] //N :[font = input; preserveAspect; ] f[125001] //N :[font = input; preserveAspect; endGroup; endGroup; ] Bisect[f[r], {r, 125000, 125001}, .0005] ^*)