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Hello I would like to find two values of x similar/close to 0.71 for the same value of y as shown in the image file.

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Scuba
Scuba 2021-10-3
评论： Scuba 2023-3-13
Hi so basically, I want to find two values of x similar/close to that of roughly 0.71 for the same value of y within the matrix y. I've included the data for y where x is just 0 to 100 as shown in the image. For the purpose of showing the process, writing your own code on a different plot just to show the process would be great aswell.
y = [
0.999999995023660
0.999999991814002
0.999999986534167
0.999999977848923
0.999999963561839
0.999999940059818
0.999999901399380
0.999999837803596
0.999999733189591
0.999999561101321
0.999999278019104
0.999998812353973
0.999998046343801
0.999996786273318
0.999994713488149
0.999991303818118
0.999985695041822
0.999976468900306
0.999961292600459
0.999936329330312
0.999895269205729
0.999827736922888
0.999716677048434
0.999534065499866
0.999233889114869
0.998740689127159
0.997930962721728
0.996603231519677
0.994430568318047
0.990887148273905
0.985139441545625
0.975897419522911
0.961242086932429
0.938501414780253
0.904352722045625
0.855442758499713
0.789734116125554
0.708205898819358
0.615675218341402
0.519607646564184
0.427469716233927
0.344517090802763
0.273164773122668
0.213579071853642
0.164616002761310
0.124573735573943
0.0916395792308422
0.0640988427075723
0.0404006895873969
0.0191501289989020
0.000934022953099406
0.0210751530764663
0.0424995219595119
0.0664967361160067
0.0944749552272853
0.128000821681603
0.168802624911376
0.218694474841229
0.279349354068681
0.351825011494707
0.435784177170636
0.528558304967223
0.624631946570968
0.716424266944032
0.796615426401297
0.860731637474228
0.908136788561783
0.941065361802927
0.962913761580377
0.976959588334282
0.985803168481676
0.991297546938569
0.994682667150841
0.996757464203710
0.998025087243329
0.998798043885167
0.999268805858635
0.999555310312482
0.999729598844435
0.999835594743161
0.999900046985199
0.999939234132356
0.999963058583682
0.999977542504495
0.999986347712765
0.999991700588981
0.999994954691024
0.999996932903540
0.999998135481922
0.999998866541936
0.999999310960485
0.999999581126691
0.999999745363194
0.999999845204038
0.999999905898174
0.999999942794675
0.999999965224382
0.999999978859598
0.999999987148564
0.999999992187500]

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KSSV
KSSV 2021-10-3
x = (1:length(y))' ;
idx = knnsearch(y,0.7,'k',2) ;
plot(x,y,'r')
hold on
plot(x(idx),y(idx),'*k')
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