A Nonoscillatory Second-Order Time-Stepping Procedure for Reaction-Diffusion Equations

<div>The initial values in (<a href="https://static.hindawi.com/articles/complexity/volume-2020/5163704/figures/#EEq52">52</a>) for the Gierer–Meinhardt model with <svg height="8.55521pt" id="M396" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 42.3209 8.55521" width="42.3209pt" 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="M401 397C401 420 368 448 302 448C245 448 169 416 122 377C62 327 23 254 23 169C23 45 83 -12 181 -12C252 -12 323 29 374 85L358 107C305 62 257 43 210 43C147 43 110 98 110 189V214L313 208L321 256L115 250C132 342 190 405 253 405C291 405 323 389 346 360C356 348 364 348 377 357C392 367 401 384 401 397Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.145,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,20.408,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 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Complexity

fig9

Figure 9

Figure 9: A Nonoscillatory Second-Order Time-Stepping Procedure for Reaction-Diffusion Equations 