differential geometry - Introductory texts on manifolds - Mathematics . . . 3) Manifolds and differential geometry, by Jeffrey Marc Lee (Google Books preview) 4) Also, I just recently recommended this site in answer to another post; the site is from Stanford University; it offers a vast menu of detailed handouts used as the text for a class there on Differential Geometry, each handout accessible downloadable as a pdf
reference request - Best Book For Differential Equations? - Mathematics . . . The differential equations class I took as a youth was disappointing, because it seemed like little more than a bag of tricks that would work for a few equations, leaving the vast majority of interesting problems insoluble Simmons' book fixed that
How to derive a differential equation of an ellipse A differential equation is free of arbitrary constants like a a and b b Since there are two arbitrary constants, you need to differentiate 2 times (the order of the differential equation should be 2)
differential geometry - Confused about k-form - Mathematics Stack . . . A differential k k -form is what I have been thinking a k k -form is, that is, an alternating covariant tensor field of degree k k Some people omit "differential" for some reason when they actually mean differential k k -form