Development of TOPSIS Technique under Pythagorean Fuzzy Hypersoft Environment Based on Correlation Coefficient and Its Application towards the Selection of Antivirus Mask in COVID-19 Pandemic

<div>Decision matrix for alternative <span class="nowrap"><svg height="12.8039pt" id="M434" style="vertical-align:-0.5457001pt" version="1.1" viewbox="-0.0498162 -12.2582 20.6158 12.8039" width="20.6158pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M663 549C663 621 607 680 521 680C283 680 82 444 82 188C82 80 142 -15 258 -15C311 -15 361 -1 408 23C428 -8 451 -38 500 -38C535 -38 584 -16 633 44L618 58C582 23 543 10 516 10C485 10 469 28 454 52C564 133 637 268 637 396C637 502 561 542 497 542C414 542 336 469 336 362C336 331 339 284 371 232L393 242C369 289 366 322 366 347C366 448 430 506 494 506C539 506 586 470 586 396C586 266 508 157 469 118C458 106 446 97 435 86C418 115 396 142 349 142C313 142 284 123 241 84L254 67C283 90 305 96 330 96C359 96 375 77 390 53C350 29 307 15 256 15C179 15 142 78 142 150C142 331 347 645 517 645C590 645 624 603 643 547L663 549Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.996,-5.741)"><path d="M309 -142C211 -61 151 99 151 271S210 601 309 683L288 710C141 611 75 451 75 272V271C75 90 141 -72 288 -169L309 -142Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,12.254,-5.741)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.686,-5.741)"><path d="M283 271C283 451 220 610 70 710L48 683C146 603 207 443 207 271S149 -59 48 -142L70 -169C220 -67 283 90 283 271Z"></path></g></svg>.</span></div>

Complexity

tab1

Table 1

Table 1: Development of TOPSIS Technique under Pythagorean Fuzzy Hypersoft Environment Based on Correlation Coefficient and Its Application towards the Selection of Antivirus Mask in COVID-19 Pandemic 

Table 1 | Development of TOPSIS Technique under Pythagorean Fuzzy Hypersoft Environment Based on Correlation Coefficient and Its Application towards the Selection of Antivirus Mask in COVID-19 Pandemic 