يوسف السوداني
02-04-2012, 20:11
ان المفهوم في دراسة الميكانيكا خصوصا القوى تم تبسيطه من قبل العالمين لاجرانج وهاميلتون فالقوه في مفهوم نيوتن لحسابها نحتاج لفك معادله تفاضليه متجهه من الدرجه الثانيه وهي صعبة الحل فحاول لاجرانج تبسيط هذه المعادلهF=Md^2x/dt^2 الي معادله قياسيه من الدرجه الثانيه وهي أيضا صعبه بعض الشئ في حلها ونجح هاميلتون بفك معادلة لاجرانج الي معادلتين من الدرجه الاولي وهي أسهل من الدرجه الثانيه وأسرع في الحل............(أرجو ان يستفاد من هذا) يوسف السوداني
عالم سوداني
16-04-2012, 01:18
مشكوووووور والله يعطيك الف عافيه
سرور على
15-11-2014, 03:28
بارك الله فيكم وجزاكم الله خيرا
fivefingers (http://www.vibram-fivefingers.in.net/), asics (http://www.asicsoutlet.com.co/), nike air max (http://www.nike-airmaxnc.co.uk/), michael kors outlet online (http://www.michael-kors-outlet.us.org/), nike air max (http://www.nikeair-max.es/), glasses frames (http://www.eyeglasses-outlet.com/), adidas canada (http://www.adidas-shoes.ca/), puma outlet (http://www.puma-shoesoutlet.com/), nike store (http://www.nike-shoescanada.ca/), ray ban (http://www.raybans-outlet.cc/), adidas superstar (http://www.adidas-shoes.es/), huarache (http://www.air-huaracheshoes.co.uk/), nike shoes (http://www.nikeshoesoutlet.org.uk/), coach store (http://www.coach-outlet.store/), iphone case (http://www.iphonecases.net.co/), tommy hilfiger (http://www.tommyhilfigersoutlet.com/), michael kors canada (http://michaelkors.euro-us.net/), asics gel (http://www.asicsoutlet.net/), nike shoes (http://www.nike-outlet.us.org/), michael kors bags (http://www.cheap-michaelkors.com.co/), phoenix suns jersey (http://suns.nba-jersey.com/), nike.dk (http://www.nike-skos.com/), softball bats (http://www.cheap-baseballbats.us/), portland trail blazers jersey (http://trailblazers.nba-jersey.com/), new balance (http://www.new-balanceoutlet.org/), ralph lauren polos (http://www.polo-ralphlaurens.us.com/), veneta (http://www.bottega-bags.com/), jimmy choo outlet (http://www.jimmy-chooshoes.com/), nike outlet (http://www.nikestoreoutlet.us/), adidas online (http://www.adidas-shoes.in.net/), jordan release dates 2015 (http://www.nike-shoes.com.co/), oakley (http://www.oakley--sunglasses.com.au/), michael kors (http://www.michaelskors-outlet.co.uk/), ralph lauren outlet (http://www.polos-ralphlauren.com.co/), new orleans pelicans jersey (http://pelicans.nba-jersey.com/), michael kors (http://www.michael-kors-australia.com.au/), chrome hearts (http://www.chrome-hearts.com.co/), lunette ray ban (http://www.rayban-sunglasses.fr/), oakley (http://www.oakleys.com.de/), hollister clothing (http://www.hollisters-canada.ca/), the north face (http://www.the-northface.com.de/), ravens jerseys (http://ravens.nfljersey.us.com/), los angeles clippers jersey (http://clippers.nba-jersey.com/), the north face (http://www.north-face.com.co/), longchamp handbags (http://www.longchamps.com.co/), hoodies (http://www.hoodies-store.com/), prada sunglasses (http://www.prada-bagsoutlet.com/), ralph lauren outlet (http://www.ralphs-laurenpolo.co.uk/), nike roshe (http://www.roshe-runs.co.uk/), oakley outlet (http://oakley.blackofriday.com/), fidget spinner outlet (http://www.fidgetspinner.us.com/), reloj (http://www.omegas-relojes.es/), wholesale clothing (http://www.clothes-outletstore.com/), rayban (http://www.raybanoutlet.ca/), under armour shoes (http://www.under-armouroutlet.com/), adidas superstar (http://www.adidassuper-star.de/), north face backpacks (http://www.the-northfaces.org.uk/), rolex watch (http://www.rolexwatchesforsale.us.com/), ray ban sunglasses outlet (http://www.raybans-glasses.com.co/), prada shoes (http://www.prada-outlet.com.co/), tracksuits store (http://www.tracksuits-store.com/), louboutin shoes (http://www.christianlouboutinoutlet.net.co/), michael kors v?skor (http://www.michaelkorsoutlet.se/), memphis grizzlies jersey (http://grizzlies.nba-jersey.com/), pandora canada (http://www.pandoracharms-canada.ca/), purses and handbags (http://www.designer-handbagsoutlet.us.com/), jerseys from china (http://www.mlb-jerseys.us.com/),