多元函数中,为什么 Ac B² 可以判定极值?ac 这个判别式是怎么来的? 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 theseEarrings, Roast, Squirrel, Slicer, Measuring cup, Slime, Cement Mixer, Ferris wheel, Seashells, Sandbox, 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?

sketchmaster
sketch #2616 Green Day by sketchmaster


anonymous
anonymous
sketch #5189


anonymous
anonymous
sketch #5123


anonymous
anonymous
sketch #4905 The Little Prince by Gaurav Patel


anonymous
anonymous
sketch #5157


anonymous
anonymous
sketch #2072


Nina Mercedez
sketch #2849 dj


anonymous
anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #4882 Monsters University by John Davis


Donara Smbatyan
sketch #1447 donara


anonymous
anonymous
sketch #5416


anonymous
anonymous
sketch #5127 Captain America by Mark Phillips


anonymous
anonymous
sketch #5181


anonymous
anonymous
sketch #5216 D by Gabriela Segura


anonymous
anonymous
sketch #21085 Tobirama by Enrique L. Manly


sketchmaster
sketch #2459 funky afro


anonymous
anonymous
sketch #5051


anonymous
anonymous
sketch #3919 this is not my best but i did it because it looks very cool


anonymous
anonymous
sketch #3344 Homer by Samuel Roberto


anonymous
anonymous
sketch #264


anonymous
anonymous
sketch #4921


anonymous
anonymous
sketch #933 mts


anonymous
anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo


anonymous
anonymous
sketch #3760 PSY by Juvenilia Alexandrino


anonymous
anonymous
sketch #3554 Dr. House by Carrieann Benthem


anonymous
anonymous
sketch #5163

tomski多元函数中,为什么 ac b² coloring