Christopher2222

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16 years, 208 days

MaplePrimes Activity


These are answers submitted by Christopher2222

It could be the fonts aren't loaded for those characters.

There seems to be a problem with having a variable a[0] and a.  When you set a[0]=2 the value is 2 but when you assign a:=0.5 your value of a[0] becomes 2o which I think is causing the problems

Change your variable a[0] a different variable, say c and it should work out.

a:=7/2
                                   7/2

print(cat(a-frac(a), "-", frac(a)))  # output display as a mixed fraction
                                                    3 - 1/2

 

 

merge:=proc(list1,list2)
  map(op,[list1,list2])
end proc:

a:=[2,3,4]
b:=[g,h,t]

merge(a,b)

    [2,3,4,g,h,t]

Also I've noticed for while, the last line cursor is slightly hidden, but I've generally just ignored that issue.

As to your issue, you could minimize the maple window to the top half of your monitor screen and then the bottom of the Maple content in the window will always be in the middle of your screen.  I don't think there's a default process to bring the cursor to eye level. 

I think I see what you're getting at .. I don't tend to find this an issue. 

Note pi should Pi.

Do cos(Pi/2.) or evalf(cos(Pi/2)

 

So if Zylinder is your variable of the CAD file (I didn't have an STY file don't know what CAD program that came from - so I downloaded a sample .STL CAD file and used that for trial - should work the same.

I believe your formating of the animate command is incorrect, try ....

with(plots):with(plottools):

Zylinder:=Import("c:/...")

animate(rotate,[Zylinder,A,0,0],A=0..2*Pi)

With the STL file I used (I can upload if anyone wants it for a working example-let me know) I used an interval of 1..5 and it took 43 seconds to generate.

What is g?

Firstly g should be the full pathname of the file location.  Otherwise the filename `g` may not be in the homedir for maple.  Alternatively the file that g is may be in a place where Windows doesn't allow modification to it's files.  Did you upgrade windows recently?

In some ways I agree.  However I think you've struck on a good point.  Any Mapleprimes user who's count is above a certain value can delete whatever they want.  Really, it should be flagged with good reason to be deleted but first evaluated before being deleted by the site administrators. 

Personally I have never deleted someone elses content.  You can ask site administrators to restore content if you ask them, if you believe a post/question was deleted wrongly.

 

 

You can try changing Options -> Precision

Or through Limit expression length

@farjad_etg There is a workaround for 2016.1 using boundary conditions (haven't been able to check with 2016.0).  That is to force maple to begin by trying to separate the variables by product. 

pdsolve({equa1, u(0,y) = 0, D[1](u)(0,y) = 0},HINT=`*`);

                                         u(x, y) = (1/6)*y*x^2*(3+x)

My guess is that it circumvents an issue that prevents it from evaluating at least in 2016.1.

It seems assigning change:=f2 is your problem.  Try f2:=change instead.

Maybe lprint?

plot([cos(3*t), sin(2*t), t = 0 .. 2*Pi]);


lprint(%);
PLOT(CURVES(Matrix(209, 2, {(1, 1) = HFloat(1.), (2, 1) = HFloat(.995093264101945540), (2, 2) = HFloat(0.660209573197723110e-1), (3, 1) = HFloat(.982874948801488735), (3, 2) = HFloat(.123241184241304202), (4, 1) = HFloat(.960415331794754912), (4, 2) = HFloat(.187095559833458880), (5, 1) = HFloat(.928692888370737157), (5, 2) = HFloat(.250583123026205390), (6, 1) = HFloat(.888341049365922508), (6, 2) = HFloat(.312716031931642657), (7, 1) = HFloat(.843435582881161494), (7, 2) = HFloat(.369155248626400478), (8, 1) = HFloat(.789737481048331080), (8, 2) = HFloat(.426189998289056848), (9, 1) = HFloat(.726988273906466032), (9, 2) = HFloat(.483440255170793975), (10, 1) = HFloat(.657713718477610843), (10, 2) = HFloat(.538518445847828708), (11, 1) = HFloat(.580124538604127493), (11, 2) = HFloat(.592863355868342379), (12, 1) = HFloat(.507061588853425005), (12, 2) = HFloat(.638603964793882595), (13, 1) = HFloat(.420238020776815213), (13, 2) = HFloat(.687513346078893139), (14, 1) = HFloat(.328996184828279803), (14, 2) = HFloat(.733667728275790187), (15, 1) = HFloat(.238041581986947248), (15, 2) = HFloat(.775157844789451933), (16, 1) = HFloat(.153568372599895503), (16, 2) = HFloat(.810152318374346758), (17, 1) = HFloat(0.516903761583032209e-1), (17, 2) = HFloat(.848276396747285943), (18, 1) = HFloat(-0.350807193735846248e-1), (18, 2) = HFloat(.877483383648545501), (19, 1) = HFloat(-.135639118077677007), (19, 2) = HFloat(.907755898501108049), (20, 1) = HFloat(-.223529985692667771), (20, 2) = HFloat(.931125642447514057), (21, 1) = HFloat(-.317881575278769035), (21, 2) = HFloat(.952961215633009173), (22, 1) = HFloat(-.404900842257057803), (22, 2) = HFloat(.969970900850029349), (23, 1) = HFloat(-.491924216375459078), (23, 2) = HFloat(.983712180075785425), (24, 1) = HFloat(-.567748258469063294), (24, 2) = HFloat(.992677943036860744), (25, 1) = HFloat(-.644426299186268925), (25, 2) = HFloat(.998390136485883373), (26, 1) = HFloat(-.717714250173252410), (26, 2) = HFloat(.999949223787556019), (27, 1) = HFloat(-.775669174171986331), (27, 2) = HFloat(.997671804246988203), (28, 1) = HFloat(-.831619946383563624), (28, 2) = HFloat(.991421294045069290), (29, 1) = HFloat(-.881666027915066430), (29, 2) = HFloat(.980855601678915945), (30, 1) = HFloat(-.922547877554730666), (30, 2) = HFloat(.966521170869912294), (31, 1) = HFloat(-.954145429505132481), (31, 2) = HFloat(.948942736353007077), (32, 1) = HFloat(-.979732108253810963), (32, 2) = HFloat(.925232759205969923), (33, 1) = HFloat(-.987902672045105401), (33, 2) = HFloat(.913171937940988276), (34, 1) = HFloat(-.993985648764305951), (34, 2) = HFloat(.900253401738528192), (35, 1) = HFloat(-.998161690392944556), (35, 2) = HFloat(.885527019193549148), (36, 1) = HFloat(-.999933202852693825), (36, 2) = HFloat(.869852443315878299), (37, 1) = HFloat(-.997006102055733034), (37, 2) = HFloat(.839084123645368218), (38, 1) = HFloat(-.984786488226064516), (38, 2) = HFloat(.802074455362625338), (39, 1) = HFloat(-.964786753172529044), (39, 2) = HFloat(.764170478498252037), (40, 1) = HFloat(-.935254589504708078), (40, 2) = HFloat(.721513059049358363), (41, 1) = HFloat(-.898112516187038801), (41, 2) = HFloat(.676970729790365766), (42, 1) = HFloat(-.850824619142301453), (42, 2) = HFloat(.627523533269496392), (43, 1) = HFloat(-.797570978035496481), (43, 2) = HFloat(.577371030739956326), (44, 1) = HFloat(-.735786610659668106), (44, 2) = HFloat(.523725493801580844), (45, 1) = HFloat(-.667760211506508328), (45, 2) = HFloat(.468386642662180275), (46, 1) = HFloat(-.599855216887644649), (46, 2) = HFloat(.415852585744740932), (47, 1) = HFloat(-.516368371666899195), (47, 2) = HFloat(.353898893434316020), (48, 1) = HFloat(-.437236627092241481), (48, 2) = HFloat(.297127125152112148), (49, 1) = HFloat(-.348976342827391262), (49, 2) = HFloat(.235421628643554953), (50, 1) = HFloat(-.261475977430020934), (50, 2) = HFloat(.175454466133063841), (51, 1) = HFloat(-.161763476824103719), (51, 2) = HFloat(.108106580473264227), (52, 1) = HFloat(-0.740213527132065063e-1), (52, 2) = HFloat(0.493726628305415013e-1), (53, 1) = HFloat(0.262293744673981893e-1), (53, 2) = HFloat(-0.174873638795113792e-1), (54, 1) = HFloat(.117393216169258907), (54, 2) = HFloat(-0.783626027905274108e-1), (55, 1) = HFloat(.215961974470104234), (55, 2) = HFloat(-.144609155232220787), (56, 1) = HFloat(.299311261051054600), (56, 2) = HFloat(-.201263025576119164), (57, 1) = HFloat(.391489098405798708), (57, 2) = HFloat(-.264963626440157696), (58, 1) = HFloat(.476950203554007413), (58, 2) = HFloat(-.325418569365158894), (59, 1) = HFloat(.558064738412816452), (59, 2) = HFloat(-.384532353352742717), (60, 1) = HFloat(.633890362602178681), (60, 2) = HFloat(-.441899748072451137), (61, 1) = HFloat(.701413171156469617), (61, 2) = HFloat(-.495362579944167714), (62, 1) = HFloat(.767890284790246458), (62, 2) = HFloat(-.551110184112867052), (63, 1) = HFloat(.824375231430874322), (63, 2) = HFloat(-.602049173252518388), (64, 1) = HFloat(.876026995964009569), (64, 2) = HFloat(-.653127725230104206), (65, 1) = HFloat(.915478127479820492), (65, 2) = HFloat(-.696945843641809448), (66, 1) = HFloat(.950612588090555821), (66, 2) = HFloat(-.742505055908345368), (67, 1) = HFloat(.975626490690282622), (67, 2) = HFloat(-.783143762911385988), (68, 1) = HFloat(.991931968635061834), (68, 2) = HFloat(-.820597266232610645), (69, 1) = HFloat(.999585319789284887), (69, 2) = HFloat(-.856266505733220828), (70, 1) = HFloat(.998094016522872329), (70, 2) = HFloat(-.885869493765740090), (71, 1) = HFloat(.994160830774133308), (71, 2) = HFloat(-.899785162623916501), (72, 1) = HFloat(.988090583676968670), (72, 2) = HFloat(-.912841105840068390), (73, 1) = HFloat(.978921728563026061), (73, 2) = HFloat(-.926242794912090828), (74, 1) = HFloat(.967187663656392194), (74, 2) = HFloat(-.938565611925027743), (75, 1) = HFloat(.939514541203616105), (75, 2) = HFloat(-.958088936782832024), (76, 1) = HFloat(.902870173151799960), (76, 2) = HFloat(-.974270660654016685), (77, 1) = HFloat(.857288501687358595), (77, 2) = HFloat(-.986736072040474421), (78, 1) = HFloat(.808354130363334034), (78, 2) = HFloat(-.994600140549084077), (79, 1) = HFloat(.749214705766426348), (79, 2) = HFloat(-.999160233538684439), (80, 1) = HFloat(.683917914786050796), (80, 2) = HFloat(-.999768472352535742), (81, 1) = HFloat(.607436507481678656), (81, 2) = HFloat(-.996097108568060996), (82, 1) = HFloat(.534848109093290169), (82, 2) = HFloat(-.989159193130524250), (83, 1) = HFloat(.445932284292002323), (83, 2) = HFloat(-.976879206933512156), (84, 1) = HFloat(.361677898743807680), (84, 2) = HFloat(-.961910954801300955), (85, 1) = HFloat(.275289484206780899), (85, 2) = HFloat(-.943528610575696702), (86, 1) = HFloat(.179862932911773604), (86, 2) = HFloat(-.919875247348552305), (87, 1) = HFloat(0.823135670878773901e-1), (87, 2) = HFloat(-.892173946003792184), (88, 1) = HFloat(-0.715923643143954493e-2), (88, 2) = HFloat(-.863629116200008040), (89, 1) = HFloat(-.102096312896319180), (89, 2) = HFloat(-.829948042850447654), (90, 1) = HFloat(-.193862362832848245), (90, 2) = HFloat(-.793861120317075342), (91, 1) = HFloat(-.291427682463165472), (91, 2) = HFloat(-.751314442328326781), (92, 1) = HFloat(-.373504758209699750), (92, 2) = HFloat(-.711765148609128318), (93, 1) = HFloat(-.464245107585174510), (93, 2) = HFloat(-.663391994916401329), (94, 1) = HFloat(-.545332107735446603), (94, 2) = HFloat(-.615227126771057287), (95, 1) = HFloat(-.620892281187063522), (95, 2) = HFloat(-.565146302134166501), (96, 1) = HFloat(-.691128770153389027), (96, 2) = HFloat(-.512846920317007848), (97, 1) = HFloat(-.756586153184119259), (97, 2) = HFloat(-.457468810033391238), (98, 1) = HFloat(-.818504578353094425), (98, 2) = HFloat(-.396770099996740677), (99, 1) = HFloat(-.867999692433419900), (99, 2) = HFloat(-.339536796759702386), (100, 1) = HFloat(-.909602992964738011), (100, 2) = HFloat(-.281777211418164752), (101, 1) = HFloat(-.945713944592248001), (101, 2) = HFloat(-.218887944828852737), (102, 1) = HFloat(-.972800641317989490), (102, 2) = HFloat(-.155214744000589155), (103, 1) = HFloat(-.989290339391220019), (103, 2) = HFloat(-0.975010830516318955e-1), (104, 1) = HFloat(-.999071706820651273), (104, 2) = HFloat(-0.287236868334883391e-1), (105, 1) = HFloat(-.999057373303013807), (105, 2) = HFloat(0.289445676979894866e-1), (106, 1) = HFloat(-.989562010713673668), (106, 2) = HFloat(0.962581899740645730e-1), (107, 1) = HFloat(-.971055471764343259), (107, 2) = HFloat(.160098461874967096), (108, 1) = HFloat(-.946876818902685380), (108, 2) = HFloat(.216547531764909762), (109, 1) = HFloat(-.911290461770500437), (109, 2) = HFloat(.279166555016422957), (110, 1) = HFloat(-.866820740398964507), (110, 2) = HFloat(.341022077787115963), (111, 1) = HFloat(-.814366945698000944), (111, 2) = HFloat(.401150529926342814), (112, 1) = HFloat(-.758862301943241335), (112, 2) = HFloat(.455399853250309461), (113, 1) = HFloat(-.694912962690416136), (113, 2) = HFloat(.509839588760538698), (114, 1) = HFloat(-.622429912169550459), (114, 2) = HFloat(.564066152125074827), (115, 1) = HFloat(-.544419988611536954), (115, 2) = HFloat(.615798664311906552), (116, 1) = HFloat(-.458937986297073330), (116, 2) = HFloat(.666371127580410727), (117, 1) = HFloat(-.379901758909653553), (117, 2) = HFloat(.708523809513541214), (118, 1) = HFloat(-.287509500615067526), (118, 2) = HFloat(.753112602378217311), (119, 1) = HFloat(-.191959418220285449), (119, 2) = HFloat(.794646677475388197), (120, 1) = HFloat(-0.981088171354586591e-1), (120, 2) = HFloat(.831435491015080852), (121, 1) = HFloat(-0.120961004499473106e-1), (121, 2) = HFloat(.861965155992681642), (122, 1) = HFloat(0.902457096602296283e-1), (122, 2) = HFloat(.894558903914745351), (123, 1) = HFloat(.176244582389329302), (123, 2) = HFloat(.918911015468448444), (124, 1) = HFloat(.274568180373232940), (124, 2) = HFloat(.943362799860770540), (125, 1) = HFloat(.359299052333536428), (125, 2) = HFloat(.961444789047370185), (126, 1) = HFloat(.448937935648393349), (126, 2) = HFloat(.977355768217095355), (127, 1) = HFloat(.530298376559004248), (127, 2) = HFloat(.988626590324497179), (128, 1) = HFloat(.610253528329505301), (128, 2) = HFloat(.996303271681065028), (129, 1) = HFloat(.678596392773996193), (129, 2) = HFloat(.999652451922633301), (130, 1) = HFloat(.746212838049202798), (130, 2) = HFloat(.999279183113629066), (131, 1) = HFloat(.809086638780554424), (131, 2) = HFloat(.994513634808954938), (132, 1) = HFloat(.857225232338885368), (132, 2) = HFloat(.986749366985044563), (133, 1) = HFloat(.901879357489389188), (133, 2) = HFloat(.974614971110934758), (134, 1) = HFloat(.939601235770873733), (134, 2) = HFloat(.958040566059456977), (135, 1) = HFloat(.967894375197106083), (135, 2) = HFloat(.937920591653075397), (136, 1) = HFloat(.978445394198942275), (136, 2) = HFloat(.926824514348714934), (137, 1) = HFloat(.986919187167190626), (137, 2) = HFloat(.914853846350839106), (138, 1) = HFloat(.993872549167743147), (138, 2) = HFloat(.900551555303991780), (139, 1) = HFloat(.998224771172738001), (139, 2) = HFloat(.885201625085295207), (140, 1) = HFloat(.999907229218049975), (140, 2) = HFloat(.870530123433630010), (141, 1) = HFloat(.999476732754708164), (141, 2) = HFloat(.855040959018391833), (142, 1) = HFloat(.991493866143389857), (142, 2) = HFloat(.819295786251743263), (143, 1) = HFloat(.976010307005786060), (143, 2) = HFloat(.783871171306493308), (144, 1) = HFloat(.950256661933032709), (144, 2) = HFloat(.741993645657856304), (145, 1) = HFloat(.917818190727948457), (145, 2) = HFloat(.699739586695532489), (146, 1) = HFloat(.875705748307880838), (146, 2) = HFloat(.652791582113811497), (147, 1) = HFloat(.826789697628834475), (147, 2) = HFloat(.604324382047172204), (148, 1) = HFloat(.767845059519881801), (148, 2) = HFloat(.551070911013765485), (149, 1) = HFloat(.704114699808206401), (149, 2) = HFloat(.497560137692068472), (150, 1) = HFloat(.632475830420674567), (150, 2) = HFloat(.440806462822373124), (151, 1) = HFloat(.555624328424223934), (151, 2) = HFloat(.382723504604894627), (152, 1) = HFloat(.480511671748108882), (152, 2) = HFloat(.327974528230208562), (153, 1) = HFloat(.389899709807566441), (153, 2) = HFloat(.263853512652095279), (154, 1) = HFloat(.305479198730463530), (154, 2) = HFloat(.205486799561757499), (155, 1) = HFloat(.212757754732972842), (155, 2) = HFloat(.142444814262494696), (156, 1) = HFloat(.122163067946142886), (156, 2) = HFloat(0.815553095377624937e-1), (157, 1) = HFloat(0.203939098100098110e-1), (157, 2) = HFloat(0.135964635506402240e-1), (158, 1) = HFloat(-0.679405883589561527e-1), (158, 2) = HFloat(-0.453131224544987693e-1), (159, 1) = HFloat(-.167520870928223709), (159, 2) = HFloat(-.111974318859801747), (160, 1) = HFloat(-.256835678931248201), (160, 2) = HFloat(-.172300293829411311), (161, 1) = HFloat(-.352048697882217765), (161, 2) = HFloat(-.237546579692993948), (162, 1) = HFloat(-.431407930252718452), (162, 2) = HFloat(-.293005264509637653), (163, 1) = HFloat(-.517846220784493050), (163, 2) = HFloat(-.354975245017543406), (164, 1) = HFloat(-.596604630548027814), (164, 2) = HFloat(-.413391645989387824), (165, 1) = HFloat(-.669944358066613010), (165, 2) = HFloat(-.470116313883948200), (166, 1) = HFloat(-.737023027338493231), (166, 2) = HFloat(-.524763019572474398), (167, 1) = HFloat(-.795274565623967478), (167, 2) = HFloat(-.575302194904628972), (168, 1) = HFloat(-.850861712390843072), (168, 2) = HFloat(-.627560177199392166), (169, 1) = HFloat(-.896222605548881779), (169, 2) = HFloat(-.674868457399333321), (170, 1) = HFloat(-.935490032503407898), (170, 2) = HFloat(-.721820286664437982), (171, 1) = HFloat(-.963230229146209815), (171, 2) = HFloat(-.761647060563439449), (172, 1) = HFloat(-.984984762427186689), (172, 2) = HFloat(-.802529998039201664), (173, 1) = HFloat(-.996868790332053556), (173, 2) = HFloat(-.838446724351124772), (174, 1) = HFloat(-.999887970842842200), (174, 2) = HFloat(-.870971772918978981), (175, 1) = HFloat(-.997944658660394945), (175, 2) = HFloat(-.886602839079551064), (176, 1) = HFloat(-.993590400180439204), (176, 2) = HFloat(-.901281819053078692), (177, 1) = HFloat(-.987456034194965637), (177, 2) = HFloat(-.913945815351264401), (178, 1) = HFloat(-.979297876550140778), (178, 2) = HFloat(-.925777229337745866), (179, 1) = HFloat(-.956344743548646292), (179, 2) = HFloat(-.947367448869784856), (180, 1) = HFloat(-.921465139823633539), (180, 2) = HFloat(-.966997859176745633), (181, 1) = HFloat(-.881546519240037130), (181, 2) = HFloat(-.980888459750203889), (182, 1) = HFloat(-.832894562745947198), (182, 2) = HFloat(-.991219790139763246), (183, 1) = HFloat(-.775746722506624686), (183, 2) = HFloat(-.997666214135419449), (184, 1) = HFloat(-.716846506997171340), (184, 2) = HFloat(-.999957245606440503), (185, 1) = HFloat(-.647876575260122656), (185, 2) = HFloat(-.998556546300095382), (186, 1) = HFloat(-.573717438221209797), (186, 2) = HFloat(-.993251674169345455), (187, 1) = HFloat(-.488829425272471141), (187, 2) = HFloat(-.983283885524348533), (188, 1) = HFloat(-.409810122357457784), (188, 2) = HFloat(-.970836294914462661), (189, 1) = HFloat(-.314693271869310065), (189, 2) = HFloat(-.952279727923407204), (190, 1) = HFloat(-.226015047027563559), (190, 2) = HFloat(-.931744362076591504), (191, 1) = HFloat(-.136382360249396956), (191, 2) = HFloat(-.907965594101156181), (192, 1) = HFloat(-0.387553207809959721e-1), (192, 2) = HFloat(-.878656457849667616), (193, 1) = HFloat(0.596398641464917154e-1), (193, 2) = HFloat(-.845453640685242203), (194, 1) = HFloat(.148687986694261615), (194, 2) = HFloat(-.812077408376920884), (195, 1) = HFloat(.241932088878842516), (195, 2) = HFloat(-.773467153639162852), (196, 1) = HFloat(.330826976067736533), (196, 2) = HFloat(-.732788568211495961), (197, 1) = HFloat(.423948929915850481), (197, 2) = HFloat(-.685529097059929815), (198, 1) = HFloat(.501097422188309660), (198, 2) = HFloat(-.642139991866428783), (199, 1) = HFloat(.584987135988432216), (199, 2) = HFloat(-.589646768721602377), (200, 1) = HFloat(.658532716923785788), (200, 2) = HFloat(-.537907253647431860), (201, 1) = HFloat(.725638944707979405), (201, 2) = HFloat(-.484585448285424714), (202, 1) = HFloat(.786506547213669638), (202, 2) = HFloat(-.429353091420042354), (203, 1) = HFloat(.841556618713768190), (203, 2) = HFloat(-.371315313141940495), (204, 1) = HFloat(.891608559235583020), (204, 2) = HFloat(-.308174981261063963), (205, 1) = HFloat(.929568939609444200), (205, 2) = HFloat(-.249053664812155823), (206, 1) = HFloat(.959270841354030623), (206, 2) = HFloat(-.189766662182448170), (207, 1) = HFloat(.982205776992280066), (207, 2) = HFloat(-.125620483500565344), (208, 1) = HFloat(.995799859113089436), (208, 2) = HFloat(-0.610853875403885929e-1), (209, 1) = HFloat(1.), (209, 2) = HFloat(0.164082742812264922e-8)}, datatype = float[8], storage = rectangular, order = Fortran_order, shape = []), COLOUR(RGB, .47058824, 0., 0.54901961e-1, _ATTRIBUTE("source" = "mathdefault"))), AXESLABELS("", ""), VIEW(DEFAULT, DEFAULT))

 

Try this and see what you get.  I tried and haven't been able to get a different value which is good.

evalf(add(sin(k*1.), k = 1 .. 10000))

evalf(add(sin(1.*k), k = 1 .. 10000), 25);
                   1.633891021792462265108364

This seems to fix the randomness of the answer.

I think Preview is the command from tha audiotools package you need.  The y axes represents the amplitude.

also see http://www.maplesoft.com/applications/view.aspx?SID=5521&view=html&L=E

** I edited a deleted post to a comment which had been deleted to make it visible - it disappeared
** so luckily I was able to go back in my browser and find the content, I will add the content here.  Not sure why it was deleted by the author but it seems relevant to the topic under discussion

Titled - Example

Up to AudioTools, this can be done as follows.

audiofile := cat(kernelopts(datadir), "/audio/stereo.wav"):
seq([j, AudioTools:-Read(audiofile)[j]], j = 1 .. 10);
[1, Matrix(1, 2, [[-0.156250000000000e-1, .212598425196850]])],
[2, Matrix(1, 2, [[0., -.265625000000000]])],
[3, Matrix(1, 2, [[0.393700787401575e-1, .456692913385827]])],
[4, Matrix(1, 2, [[0.866141732283465e-1, -.703125000000000]])],
[5, Matrix(1, 2, [[.141732283464567, -.343750000000000]])],
[6, Matrix(1, 2, [[.196850393700787, -.335937500000000]])],
[7, Matrix(1, 2, [[.259842519685039, .275590551181102]])], 
[8, Matrix(1, 2, [[.322834645669291, .102362204724409]])], 
[9, Matrix(1, 2, [[.385826771653543, 0.236220472440945e-1]])],
[10, Matrix(1, 2, [[.440944881889764, .582677165354331]])]

The whole rtable contains 19962 rows up to

AudioTools:-Read(audiofile);
                    Vector[column](4, [` 1..19962 x 1..2 `*Array, `Data Type: `*float[8], `Storage:                  `*rectangular, `Order: `*C_order])

Each row corresponds to 0.4535147392e-4 s in view of

evalf(AudioTools:-Duration(AudioTools:-Read(audiofile)));
                          0.9053061224
(1/19962)*%;
                        0.00004535147392

Best regard,

Markiyan Hirnyk

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