فهرست:
1- فصل اول: مقدمه ....................................................................................................................................... 2
1-1- بیان مسأله .......................................................................................................................................... 3
1-2- پیشینه تحقیق ..................................................................................................................................... 4
1-3- هدف تحقیق ........................................................................................................................................5
1-4- اهمیت تحقیق .......................................................................................................................................5
1-5- گفتارهای پایان نامه ..............................................................................................................................8
2- فصل دوم: خوشه بندی بر مبنای الگوریتم Fuzzy c-means ...............................................................10
2-1- مقدمه .................................................................................................................................................11
2-2- خوشه بندی اطلاعات ........................................................................................................................11
2-2-1- تفاوت خوشهبندی و طبفهبندی ..................................................................................................13
2-2-2-کاربردهای خوشهبندی............................................................................................................... 13
2-2-3- انواع خوشهها..............................................................................................................................15
2-2-4- مراحل خوشه بندی ....................................................................................................................15
2-2-5- انواع روش های خوشه بندی .................................................................................................. 18
2-2-6- خوشه بندی سلسله مراتبی ...................................................................................................... 18
2-2-6-1- خوشه بندی سلسله مراتبی تقسیم شونده ............................................................................19
2-2-6-2- خوشه بندی سلسله مراتبی متراکم شونده ......................................................................... 19
عنوان صفحه
2-2-7- خوشه بندی افرازبندی یا پارتیشنی .............................................................................................22
2-2-7-1- الگوریتم k-means ...........................................................................................................23
2-2-8- خوشه بندی همپوشانی................................................................................................................26
2-2-8-1- خوشه بندی فازی.................................................................................................................27
3- فصل سوم: بهینه سازی بر مبنای الگوریتم خفاش .................................................................................. 33
3-1- مقدمه .............................................................................................................................................. 34
3-2- شرح مسئله بهینه سازی .................................................................................................................. 35
3-3- روش های حل مسائل بهینه سازی ................................................................................................. 39
3-3-1- الگوریتم بهینهسازی توده ذرات ............................................................................................. 43
3-3-2- الگوریتم جفت گیری زنبور عسل ........................................................................................... 45
3-3-3- الگوریتم مورچگان .................................................................................................................. 46
3-3-4- الگوریتم الگوی جستجوی ممنوع ........................................................................................... 48
3-3-5-الگوریتم آبکاری فولاد .............................................................................................................. 49
3-3-6- الگوریتم خفاش ....................................................................................................................... 51
3-3-7-راهحلهای پیشنهادی برای بهبود عملکرد الگوریتم خفاش ......................................................... 54
3-3-7-1-انتخاب جمعیت اولیه بر اساس قاعده نولید عدد متضاد ...................................................... 54
3-3-7-2-استراتژی جهش خود تطبیق ................................................................................................ 55
3-4- معیارهای مقایسه الگوریتمهای بهینهسازی ...................................................................................... 58
3-4-1- کارایی.................................................................................................................................... 58
3-4-2- انحراف استاندارد................................................................................................................... 58
3-4-3- قابلیت اعتماد.......................................................................................................................... 59
3-4-4- سرعت همگرایی.................................................................................................................... 59
عنوان صفحه
3-5-تعریف مسایل عددی گوناگون.......................................................................................................... 60
3-5-1-تابع Rosenbrock.................................................................................................................. 61
3-5-2- تابع Schewefel ....................................................................................................................62
3-5-3- تابع Rastragin ......................................................................................................................63
3-5-4- تابعAchley .............................................................................................................................64
3-5-5- تابع Greiwank .......................................................................................................................65
4- فصل چهارم: الگوریتم پیشنهادی ..............................................................................................................66
4-1- مقدمه .............................................................................................................................................. 67
4-2- خوشه بندی اطلاعات به روش ترکیبی پیشنهادی ........................................................................... 68
4-3- تنظیم پارامترهای الگوریتم پیشنهادی .............................................................................................. 71
4-4- بررسی نتایج حاصل از الگوریتم پیشنهادی و مقایسه آن با دیگر الگوریتم ها.................................. 71
4-4-1- معرفی داده های استفاده شده و نتایج شبیه سازی مربوط به آن ..................................................72
4-4-1-1- مجموعه داده Iris ............................................................................................................ 72
4-4-1-2- مجموعه داده Wine ........................................................................................................ 75
4-4-1-3- مجموعه داده CMC ....................................................................................................... 77
4-4-1-4- مجموعه داده Vowel ..................................................................................................... 80
5- فصل پنجم: نتیجه گیری و پیشنهادات ......................................................................................................82
5-1- نتیجه ............................................................................................................................................... 83
5-2- پیشنهاد کارهای آینده ......................................................................................................................
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