Converting a 2d curve into a 3d curve

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Pruthvi Acharya
Pruthvi Acharya 2019-1-8
评论： Pruthvi Acharya 2019-1-8
I have plotted a 2d line, x vs y. x is a 1x202 double and so is y. I want to extent the y values into the 3rd diemension. So if I have a kink in my line, i want that extened into the third dimension.
For example:
x = linspace(-2,2,50)
y = x.^2;
[X,Y]= meshgrid(x,y)
Z = X.^2
surf(X,Y,Z)
xlabel('x')
ylabel('y')
zlabel('z')
This will extend 1d plot into a 3d plot.
But however for my plot, I have the x and y values only. I was wondering if there's a way to extend the pointint into the 3rd diemension such that it still retains it's 1d shape

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回答（1 个）

madhan ravi
madhan ravi 2019-1-8
plot3() %?
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Pruthvi Acharya
Pruthvi Acharya 2019-1-8
untitled.jpg
x = [-55,55,165,275,385,495,605,715,825,935,1045,1155,1265,1375,1485,1595,1705,1815,1925,2035,2145,2255,2365,2475,2585,2695,2805,2915,3025,3135,3245,3355,3465,3575,3685,3795,3905,4015,4125,4235,4345,4455,4565,4675,4785,4895,5005,5115,5225,5335,5445,5555,5665,5775,5885,5995,6105,6215,6325,6435,6545,6655,6765,6875,6985,7095,7205,7315,7425,7535,7645,7755,7865,7975,8085,8195,8305,8415,8525,8635,8745,8855,8965,9075,9185,9295,9405,9515,9625,9735,9845,9955,10065,10175,10285,10395,10505,10615,10725,10835,10945,11055,11165,11275,11385,11495,11605,11715,11825,11935,12045,12155,12265,12375,12485,12595,12705,12815,12925,13035,13145,13255,13365,13475,13585,13695,13805,13915,14025,14135,14245,14355,14465,14575,14685,14795,14905,15015,15125,15235,15345,15455,15565,15675,15785,15895,16005,16115,16225,16335,16445,16555,16665,16775,16885,16995,17105,17215,17325,17435,17545,17655,17765,17875,17985,18095,18205,18315,18425,18535,18645,18755,18865,18975,19085,19195,19305,19415,19525,19635,19745,19855,19965,20075,20185,20295,20405,20515,20625,20735,20845,20955,21065,21175,21285,21395,21505,21615,21725,21835,21945,22055]
y = [-27.6732307725082,-28.9090307210668,-31.4039052121426,-33.4729045873744,-33.9983677188368,-30.5786981800481,-28.2282133773087,-27.4435710715028,-27.1451033243011,-26.9163905573407,-26.7542822183331,-26.6959333691912,-26.6722811604863,-26.6554360325922,-26.6410429112662,-26.6265569975770,-26.6100428612099,-26.5899646704495,-26.5657553288375,-26.5373162573312,-26.5046743596980,-26.4677606869459,-26.4266034049677,-26.3811255270303,-26.3311542623744,-26.2762274519646,-26.2165379694902,-26.1515486646568,-26.0809701857999,-26.0047741037599,-25.9226347455002,-25.8343047383720,-25.7394173264064,-25.6376921520399,-25.5288777006470,-25.4128327371481,-25.2899479011210,-25.1605193616577,-25.0242220157262,-24.8816011395395,-24.7328047916633,-24.5782787199670,-24.4183136315294,-24.2531464827495,-24.0830089950701,-23.9082684974709,-23.7293235470762,-23.5467490739902,-23.3609318686176,-23.1715984298751,-22.9794318920366,-22.7845474371536,-22.5872368696734,-22.3879853190968,-22.1875028951692,-22.0084381720378,-21.9723431364704,-22.2002705434682,-22.4855202968289,-22.8192057627429,-23.2082702225352,-23.6634809388961,-24.2036054889269,-24.8636674061224,-25.7170712763440,-26.8457441453049,-28.9194387723383,-30.5813041833620,-46.5034498530411,-41.3133295972875,-33.0893542804124,-31.3131148723425,-31.3439647088026,-31.4434972132016,-31.5426462814474,-31.6544742830927,-31.7831649398042,-31.9408555373809,-32.1333394026200,-32.3655327212292,-32.6434461390838,-32.9743851885738,-33.3675991644228,-33.8343005429151,-34.3871078327478,-35.0364916760845,-35.7814434408621,-36.5949709914620,-37.4307517214913,-38.2650368296653,-39.1996459774320,-40.2749210688806,-41.0770203243750,-41.7972993499310,-42.4599077934818,-43.3265095358907,-45.5833650589344,-52.7639066829573,-63.3269949804245,-62.8403476191564,-50.6420828137320,-44.7487929534043,-43.6786268952736,-43.6600131925581,-43.7380607579579,-43.8409829308095,-43.9673876320295,-44.1147405277434,-44.2870238696355,-44.4866912791705,-44.7168125958136,-44.9799734645657,-45.2778499992813,-45.6146700976785,-45.9889040503059,-46.3962614144407,-46.8262694348046,-47.2556980529763,-47.6556865840651,-48.0057482548097,-48.3164631180488,-48.6073612396059,-48.9126415825275,-49.2601375297288,-49.6667803274347,-50.1380234895862,-50.6723571844559,-51.2725076987871,-52.0784091599997,-52.9197849693780,-53.5799437184470,-54.1771322282248,-54.7241326542632,-55.2286147609748,-55.6956695113760,-56.1302554086304,-56.5563062592763,-57.0379083825677,-57.7643227078743,-59.0456928434126,-61.2408914201049,-64.6537032649136,-69.4307753632708,-75.1462796860133,-77.7018678895027,-64.7607001933146,-55.4381143975895,-53.1959351847353,-53.3045974766442,-53.5599949943012,-53.8427596455031,-54.1545113015269,-54.4855593296503,-54.8239782010641,-55.1633306205936,-55.4942598005415,-55.8089187313104,-56.1047455605821,-56.3881603775203,-56.6781436718264,-57.0052242453237,-57.3831379119615,-57.8220647554164,-58.3214733227150,-58.8743409832530,-59.4829652411903,-60.1311684682938,-60.8082088653135,-61.5148011960445,-62.5169902102050,-63.2121406968905,-63.8071068433487,-64.3406325500538,-64.8292437849834,-65.2774172437745,-65.6806864698392,-66.0588372948772,-66.4104973802743,-66.7394004854931,-67.0467036854950,-67.3274905350996,-67.5940888369147,-67.8469310249526,-68.0924651326693,-68.3405038931225,-68.6038685139078,-68.9211133076620,-69.3243055848288,-69.8431525252430,-70.4884424617869,-71.2416051579646,-72.0846617104136,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,-1000,1000]
I want to convert this 1d line into a mesh or a surface plot
Pruthvi Acharya
Pruthvi Acharya 2019-1-8
I dont know how to add the picutre prope;y
untitled.jpg

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