大神能给�解释一下函数的保号性是什么意思吗?或者你是怎么理解保号性的?还有保号性在函数里的应用? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseBaker, Crab trap, Candle, Smoke, Columbine, Bat, Chili, Haunted house, Sugarcane, You self portrait, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #5170


anonymous
anonymous
sketch #1451 mi6softlab vibra


anonymous
anonymous
sketch #4264 oh yeah


anonymous
anonymous
sketch #5416


anonymous
anonymous
sketch #1724


John Davis
sketch #2784


anonymous
anonymous
sketch #5187


anonymous
anonymous
sketch #2017 HEYOO


anonymous
anonymous
sketch #5261


anonymous
anonymous
sketch #4900 Moonlight by Abdelwahab Haik


anonymous
anonymous
sketch #5284


anonymous
anonymous
sketch #1185


anonymous
anonymous
sketch #4881


anonymous
anonymous
sketch #5218 Marshall Lee Dj-ionut Manelomania


anonymous
anonymous
sketch #5232 Avril by Teresa Temacha


Jorge Valero
sketch #2735


anonymous
anonymous
sketch #1255 something


anonymous
anonymous
sketch #4929


anonymous
anonymous
sketch #4649


anonymous
anonymous
sketch #3683 Hellboy by Loai Issa


anonymous
anonymous
sketch #3310 Link by Cxsar Alvarez


sketchmaster
sketch #2625 Dragon by sketchmaster


anonymous
anonymous
sketch #5205


anonymous
anonymous
sketch #4349 Cícero Николай Герасимов


anonymous
anonymous
sketch #4867 Johnny Depp Ronin Ronin


anonymous
anonymous
sketch #2881 Mickey Mouse by Michael Angcay


Benjo Arellano
sketch #779 Gol D Roger


anonymous
anonymous
sketch #3517 Scratch from Ice Age by VlAd Craciun


anonymous
anonymous
sketch #3753


El Harouati Nassera
sketch #2810 Lennon by El Harouati Nassera

tomski大神能给�解释一下函数的保号性是什么意思吗?或者你是怎么理解保号性的?还有保号性在函数里的应用? 知乎 coloring