Nonrecursive Equivalent of the Conjugate Gradient Method without the Need to Restart

<div>Stability of CG method: (a) interpretation of disturbance <i>δ</i>, (b) function <span class="nowrap"><svg height="12.7178pt" id="M98" style="vertical-align:-3.42947pt" version="1.1" viewbox="-0.0498162 -9.28833 65.5389 12.7178" width="65.5389pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,.157,0)"><path d="M470 619L451 641C422 610 391 595 348 595C316 595 288 601 248 612C197 628 172 633 138 633C97 633 43 615 0 555L19 532C54 562 86 578 130 578C166 578 189 571 222 562C267 549 301 540 337 540C381 540 434 557 470 619Z"></path></g><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M494 0V32C450 38 426 53 393 105L296 260C330 305 354 338 375 361C411 396 421 401 476 410V442H293V410C332 402 337 394 323 371C311 351 295 324 274 293L227 371C213 393 218 402 252 410V442H16V410C70 402 80 391 108 344L196 199C166 159 140 123 115 95C81 54 61 43 7 32V0H196V32C156 41 150 53 167 81C182 105 199 138 219 166L269 79C287 49 283 38 245 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Advances in Civil Engineering

fig1

Figure 1

Figure 1: Nonrecursive Equivalent of the Conjugate Gradient Method without the Need to Restart 