A Treatise On the Differential And Integral Calculus And On the Calculus of Var
A Treatise On the Differential And Integral Calculus And On the Calculus of Var
Edward Courtenay
The book A Treatise On the Differential And Integral Calculus And On the Calculus of Var was written by author Edward Courtenay Here you can read free online of A Treatise On the Differential And Integral Calculus And On the Calculus of Var book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On the Differential And Integral Calculus And On the Calculus of Var a good or bad book?
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Given x -\- y ■\- z i=. <: to="" find="" the="" values="" of="" rr="" y="" and="" z="" when="" cos="" arcos="" a="" maximum.="" regarding="" x="" as="" independent="" variables="" function="" we="" obtain="" by="" differentiating="" t="" with="" respect="" successively.="">+!=«■ ^"^ '+!=« (!)• But since it ■=. Maximum, log u = log cos X -\- log cos y + log cos z = maximum, ((/ locr u\ dz — r- — ) = — tan X — tan 2 -7- = 0, dx I dx (d]o2, u\ dz ^ . and I — r^— ) =r — tan y — tan 2 -- = 0. \ dy J ^ dy or, by replacing -- and — by their values derived from equa> tions (1). — tan x + tan 2 = 0, — tan y + tan g = 0, 1 • . Tan X = tan z = tan y, and x = y=z=-'Jir. o 3I /'V 1 4. To find the greatest rectangular parallelopipedon which can be inscr...<: to="" find="" the="" values="" of="" rr="" y="" and="" z="" when="" cos="" arcos="" a="" maximum.="" regarding="" x="" as="" independent="" variables="" function="" we="" obtain="" by="" differentiating="" t="" with="" respect="" successively.="">ibed in a given ellipsoid. Let a, h, and c, be the semi-axes of the ellipsoid, x, y, and z^ tbp co-ordinates of one of the vertices of the parallelopipedon. 136 DIFFERENTIAL CALCULUS. Then 2x, 2y, and 2z, are the three edges of the parallelopipedon, alid, therefore, 2x .
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