https://ejournal.yasin-alsys.org/MJAEI <!-- ========================= MIKAILALSYS HOMEPAGE (FULL, JUSTIFY + MOBILE-SAFE) — MJAEI TEMPLATE - Inline-only (no <style>), no floats - Mobile-safe (no overflow): minmax lowered + overflow-x hidden + wrap rules - Warm ivory palette - Body text: justify; headings/meta remain left ========================= --> <div id="mikailalsys-home-compact-mjaei" style="max-width: 980px; width: 100%; box-sizing: border-box; margin: 0 auto; padding: 14px 12px; background: rgba(247,247,223,.94); border: 1px solid #EAEAD2; border-radius: 18px; box-shadow: 0 10px 24px rgba(15,23,42,.08); font-family: system-ui,-apple-system,'Segoe UI',Roboto,Arial,'Helvetica Neue','Noto Sans','Liberation Sans',sans-serif; color: #2a3b50; font-size: 16.6px; line-height: 1.86; letter-spacing: .1px; text-align: justify; text-justify: inter-word; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; overflow-x: hidden; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased;"><!-- HERO --> <div style="box-sizing: border-box; padding: 14px 14px; border: 1px solid #ECECD5; border-radius: 16px; background: linear-gradient(180deg,#FFFDF7,#F7F7DF);"> <div style="display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-start;"><!-- Cover (USER-PROVIDED; NOTE: uses journal 15 thumbnail as given) --> <div style="flex: 0 0 auto;"><img style="display: block; width: 170px; height: 240px; object-fit: cover; border-radius: 12px; border: 1px solid #ECECD5; background: #FFFDF7; box-shadow: 0 8px 18px rgba(15,23,42,.08); max-width: 100%;" src="https://ejournal.yasin-alsys.org/public/journals/15/journalThumbnail_en_US.jpg" alt="Mikailalsys Journal of Advanced Engineering International (MJAEI) Journal Cover"></div> <!-- Title + Meta --> <div style="min-width: 0; flex: 1 1 320px;"> <div style="margin: 0; font-size: 17px; font-weight: 800; color: #142238; text-align: left; letter-spacing: .2px;">Mikailalsys Journal of Advanced Engineering International (MJAEI)</div> <div style="margin: 6px 0 0 0; color: #3b5068; font-size: 15.8px; text-align: left;"><strong style="color: #1e2b3e; font-weight: 800;">Print ISSN:</strong> <a style="color: #1d4f8a; font-weight: 800;" href="https://portal.issn.org/resource/ISSN/3046-8914" target="_blank" rel="noopener">3046-8914</a> <span style="color: #c8c1b0;">&nbsp;•&nbsp;</span> <strong style="color: #1e2b3e; font-weight: 800;">Online ISSN:</strong> <a style="color: #1d4f8a; font-weight: 800;" href="https://portal.issn.org/resource/ISSN/3046-9694" target="_blank" rel="noopener">3046-9694</a></div> <!-- Latest issue (NON-FABRICATED; POINTS TO CURRENT ISSUE) --> <div style="box-sizing: border-box; margin-top: 10px; padding: 12px 14px; border: 1px solid #ECECD5; border-radius: 16px; background: #FFFDF7; color: #3b5068; font-size: 15.8px; text-align: justify;"><strong>Latest Issue: Vol. 3 No. 1 (March 2026).</strong> This issue features peer-reviewed contributions that advance advanced engineering scholarship and provide evidence-informed responses to contemporary technological, industrial, and sustainability challenges.</div> <!-- Badges --> <div style="margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; text-align: left;"><span style="display: inline-block; padding: 6px 12px; border-radius: 999px; background: #F3ECDD; border: 1px solid #E2D2BF; color: #5a3518; font-size: 13.2px; font-weight: 800;">Open Access</span> <span style="display: inline-block; padding: 6px 12px; border-radius: 999px; background: #EAF0F8; border: 1px solid #D4E0F0; color: #1b3b63; font-size: 13.2px; font-weight: 800;">Peer Reviewed</span> <span style="display: inline-block; padding: 6px 12px; border-radius: 999px; background: #EAF5EE; border: 1px solid #CFE6D8; color: #0c4a3d; font-size: 13.2px; font-weight: 800;">Advanced Engineering</span></div> </div> </div> <!-- Indexed --> <div style="box-sizing: border-box; margin-top: 12px; padding-top: 12px; border-top: 1px solid #EFEFD8; text-align: left;"> <div style="margin: 0 0 8px 0; font-size: 18.6px; font-weight: 800; color: #142238;">Indexed:</div> <div style="display: flex; flex-wrap: wrap; gap: 12px; align-items: center;"><a style="display: inline-flex; 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color: #3f4a55; text-decoration: none; font-size: 13.8px; font-weight: 900; line-height: 1.15; white-space: normal; max-width: 100%; box-shadow: 0 6px 14px rgba(15,23,42,.05);" href="https://garuda.kemdikbud.go.id/journal/view/38670" target="_blank" rel="noopener">Garuda</a> <a style="display: inline-flex; align-items: center; justify-content: center; padding: 11px 16px; border-radius: 999px; background: #EEF0DA; border: 1px solid #DDE0C8; color: #2f425a; text-decoration: none; font-size: 13.8px; font-weight: 900; line-height: 1.15; white-space: normal; max-width: 100%; box-shadow: 0 6px 14px rgba(15,23,42,.05);" href="https://scholar.google.com/citations?hl=id&amp;authuser=5&amp;user=wFvqtVkAAAAJ" target="_blank" rel="noopener">Google Scholar</a> <a style="display: inline-flex; align-items: center; justify-content: center; padding: 11px 16px; border-radius: 999px; background: #F4F1EA; border: 1px solid #E2D7C7; color: #3f4a55; text-decoration: none; font-size: 13.8px; font-weight: 900; line-height: 1.15; white-space: normal; max-width: 100%; box-shadow: 0 6px 14px rgba(15,23,42,.05);" href="https://www.base-search.net/Search/Results?type=all&amp;lookfor=3046-9694&amp;ling=1&amp;oaboost=1&amp;name=&amp;thes=&amp;refid=dcresen&amp;newsearch=1" target="_blank" rel="noopener">BASE</a></div> <!-- Countries (NO FLOATS) --> <div style="box-sizing: border-box; margin-top: 12px; padding: 12px 14px; border: 1px solid #ECECD5; border-radius: 16px; background: #FFFDF7;"> <div style="display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between;"> <div style="flex: 1 1 220px; min-width: 0; color: #3b5068; font-size: 15.8px; text-align: justify; text-justify: inter-word; hyphens: auto;">To date, <strong style="color: #1e2b3e; font-weight: 800;">MJAEI</strong> has published articles by authors affiliated with institutions in <strong>five (5)</strong> countries: Nepal, India, Nigeria, the United States, and Indonesia.</div> <div style="flex: 0 1 auto; display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end;"><img style="display: block; width: 40px; height: 28px; border-radius: 8px; border: 1px solid #ECECD5; background: #FFFDF7;" src="https://ejournal.yasin-alsys.org/files/country/nep.png" alt="Nepal"> <img style="display: block; width: 40px; height: 28px; border-radius: 8px; border: 1px solid #ECECD5; background: #FFFDF7;" src="https://ejournal.yasin-alsys.org/files/country/in.jpg" alt="India"> <img style="display: block; width: 40px; height: 28px; border-radius: 8px; border: 1px solid #ECECD5; background: #FFFDF7;" src="https://ejournal.yasin-alsys.org/files/country/nig.jpg" alt="Nigeria"> <img style="display: block; width: 40px; height: 28px; border-radius: 8px; border: 1px solid #ECECD5; background: #FFFDF7;" src="https://ejournal.yasin-alsys.org/files/country/us.png" alt="United States"> <img style="display: block; width: 40px; height: 28px; border-radius: 8px; border: 1px solid #ECECD5; background: #FFFDF7;" src="https://ejournal.yasin-alsys.org/files/country/id.jpg" alt="Indonesia"></div> </div> </div> </div> </div> <!-- ABOUT + ACTIONS + AIMS + SCOPE — SAME PANEL --> <div style="box-sizing: border-box; margin-top: 14px; padding: 14px 14px; border: 1px solid #EAEAD2; border-radius: 18px; background: #F3F3DC; overflow-x: hidden;"><!-- About + Actions --> <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; align-items: start;"><!-- Left: logo + buttons --> <div style="min-width: 0;"> <div style="box-sizing: border-box; padding: 14px 14px; border: 1px solid #ECECD5; border-radius: 16px; background: #FFFDF7; box-shadow: 0 8px 16px rgba(15,23,42,.06); text-align: left;"><img style="display: block; width: 100%; max-width: 340px; height: 130px; object-fit: contain; border-radius: 12px; border: 1px solid #EFEFD8; background: #FFFDF7; margin: 0 auto;" src="https://ejournal.yasin-alsys.org/public/journals/26/favicon_en_US.png" alt="MJAEI logo"> <div style="margin-top: 12px; display: grid; gap: 10px;"><a style="display: block; text-align: center; padding: 12px 14px; border-radius: 999px; background: #EAF0F8; border: 1px solid #D4E0F0; color: #142238; text-decoration: none; font-weight: 900;" href="https://ejournal.yasin-alsys.org/mjaei/online_submissions" target="_blank" rel="noopener">Online Submissions</a> <a style="display: block; text-align: center; padding: 12px 14px; border-radius: 999px; background: #FFFDF7; border: 1px solid #ECECD5; color: #142238; text-decoration: none; font-weight: 900;" href="https://ejournal.yasin-alsys.org/mjaei/peer_review_process" target="_blank" rel="noopener">Peer Review Process</a></div> </div> </div> <!-- Right: About --> <div style="min-width: 0;"> <div style="margin-top: 10px; color: #3b5068; font-size: 16.6px; line-height: 1.9; text-align: justify; text-justify: inter-word; hyphens: auto;"><strong>MJAEI</strong> (<em>Mikailalsys Journal of Advanced Engineering International</em>) is an open-access, double-blind peer-reviewed journal dedicated to publishing cutting-edge research in <strong>engineering</strong> and <strong>technology</strong> across disciplines. The journal serves as a platform for researchers, scientists, and practitioners to share innovative ideas, foster cross-disciplinary collaboration, and contribute to technological and scientific advancements in international contexts.&nbsp;</div> </div> </div> <!-- AIMS + SCOPE (LEFT/RIGHT, BALANCED; ADVANCED + ENGINEERING + INTERNATIONAL) --> <div style="margin-top: 14px; display: grid; align-items: stretch; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px;"><!-- Aims (LEFT) --> <div style="min-width: 0; box-sizing: border-box; padding: 14px 14px; border: 1px solid #EAEAD2; border-radius: 16px; background: #FFFDF7; box-shadow: 0 8px 16px rgba(15,23,42,.06); color: #2a3b50; font-size: 16.4px; line-height: 1.9;"> <div style="margin: 0 0 8px 0; font-size: 18.2px; font-weight: 900; color: #142238; text-align: left;">Aims</div> <div style="margin: 0; color: #2f425a; text-align: justify; text-justify: inter-word; hyphens: auto;"><em>Mikailalsys Journal of Advanced Engineering International (MJAEI)</em> aims to publish high-quality, peer-reviewed research that advances <strong>engineering and technology</strong> through innovative methods, systems, models, and implementations. The journal welcomes interdisciplinary contributions that connect engineering fundamentals with technological progress, with emphasis on methodological rigor, transparent validation, and relevance to international engineering and industrial challenges.</div> <div style="margin: 10px 0 0 0; padding: 0;" role="list"> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Promote <strong>advanced engineering solutions</strong> grounded in sound theory, explicit assumptions, and reproducible methods.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Strengthen <strong>validation quality</strong> through experiments, simulations, benchmarks, prototypes, and/or field implementation with transparent reporting.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Encourage <strong>cross-disciplinary integration</strong> among engineering, computing, materials, energy, and applied technological systems.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Support <strong>practical and scalable innovation</strong> by highlighting implementation value, operational feasibility, safety, and limitations.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Promote <strong>sustainability-oriented engineering</strong> that responds to environmental, industrial, and infrastructure-related challenges.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;">Welcome <strong>international perspectives</strong> on engineering standards, technologies, and implementation contexts across sectors and regions.</div> </div> </div> <div style="box-sizing: border-box; margin-top: 12px; padding: 12px 14px; border: 1px solid #DDE0C8; border-radius: 16px; background: #EEF0DA; color: #2f425a; font-size: 16.2px; line-height: 1.9; text-align: justify; text-justify: inter-word; hyphens: auto;">Manuscripts should define domain context clearly, describe designs, algorithms, or systems precisely, report evaluation protocols and metrics transparently, and provide reproducible supplements where feasible.</div> </div> <!-- Scope (RIGHT) --> <div style="min-width: 0; box-sizing: border-box; padding: 14px 14px; border: 1px solid #EAEAD2; border-radius: 16px; background: #FFFDF7; box-shadow: 0 8px 16px rgba(15,23,42,.06); color: #2a3b50; font-size: 16.4px; line-height: 1.9;"> <div style="margin: 0 0 8px 0; font-size: 18.2px; font-weight: 900; color: #142238; text-align: left;">Scope</div> <div style="margin: 0; color: #2f425a; text-align: justify; text-justify: inter-word; hyphens: auto;">MJAEI considers manuscripts across <strong>engineering</strong> and <strong>technology</strong> domains, including theoretical, experimental, computational, and applied studies. The journal welcomes interdisciplinary research bridging engineering design, intelligent systems, manufacturing, energy, infrastructure, and sustainability, provided that the engineering contribution remains central, explicit, and well validated.</div> <div style="margin: 10px 0 0 0; padding: 0;" role="list"> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Electrical, Electronics &amp; Computer Engineering:</strong> electronics, embedded systems, control, communications, signal processing, IoT, and hardware/software integration.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Mechanical, Manufacturing &amp; Materials Engineering:</strong> design, automation, robotics, production systems, industrial materials, and performance optimization.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Civil, Environmental &amp; Infrastructure Engineering:</strong> structures, transportation, construction systems, water resources, urban infrastructure, and sustainable built environments.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Chemical, Process &amp; Energy Engineering:</strong> process design, catalysis, reaction systems, separation processes, renewable energy, and energy-efficiency technologies.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Biomedical, Health &amp; Applied Engineering:</strong> biomedical devices, biosignals, imaging, health technology, and clinically relevant engineering applications.</div> </div> <div style="display: flex; gap: 10px; align-items: flex-start; margin: 10px 0;" role="listitem"> <div style="flex: 0 0 14px; width: 14px; line-height: 1.95; color: #2f425a; font-size: 18px; margin-top: 1px;" aria-hidden="true">•</div> <div style="flex: 1 1 auto; min-width: 0; color: #2f425a; text-align: justify; text-justify: inter-word; text-align-last: left; hyphens: auto; overflow-wrap: anywhere; word-break: break-word; line-height: 1.95;"><strong>Computer Science, AI &amp; Systems Engineering:</strong> artificial intelligence, data engineering, software systems, cybersecurity, information systems, and complex systems design.</div> </div> </div> <div style="box-sizing: border-box; margin-top: 12px; padding: 12px 14px; border: 1px solid #DDE0C8; border-radius: 16px; background: #EEF0DA; color: #2f425a; font-size: 16.2px; line-height: 1.9; text-align: justify; text-justify: inter-word; hyphens: auto;">Authors are encouraged to report standards compliance where relevant, describe datasets, materials, and experimental setups precisely, and provide evidence of reliability, safety, and sustainability for applied systems.</div> </div> </div> </div> </div> <!-- ========================= END MIKAILALSYS HOMEPAGE ========================= --> en-US <p style="text-align: justify;"><a href="http://creativecommons.org/licenses/by-nc-sa/4.0/" rel="license"><img src="//i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" alt="Creative Commons License"></a><br>Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a <strong><a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" rel="license">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a></strong> that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.</p> [email protected] (Suresh Kumar Sahani) [email protected] (Suresh Kumar Sahani) Mon, 30 Nov 2026 00:00:00 +0800 OJS 3.1.1.4 http://blogs.law.harvard.edu/tech/rss 60 https://ejournal.yasin-alsys.org/MJAEI/article/view/10467 <p>Evaluating definite real and trigonometric integrals remains a fundamental problem in mathematical analysis, particularly when elementary calculus techniques are insufficient or inefficient. This study aims to examine the application of Cauchy’s Residue Theorem as an analytical method for evaluating selected definite real and trigonometric integrals. The analysis transforms the original integrals into appropriate contour integrals in the complex plane, identifies the relevant isolated singularities, computes their residues, and applies the Residue Theorem to derive exact integral values. The results show that this approach provides systematic and exact solutions to integrals that are otherwise difficult to evaluate using conventional real-variable methods. The study concludes that residue theory offers an effective and mathematically elegant framework for definite integral evaluation. These findings reinforce the practical significance of complex analysis and provide a methodological reference for selecting suitable contours and calculating residues in advanced mathematical problem-solving.</p> Ndam G. S.; Manjak N. H.; Adamu . M. S, Kpop S. S. ##submission.copyrightStatement## https://ejournal.yasin-alsys.org/MJAEI/article/view/10467 Sun, 02 Aug 2026 14:11:42 +0800