Vector Analysis question
B.) (2pts) Let f: ECR” → R be defined as where x = (21, 22, ..., In). (i) Describe the domain E of f. Use the set notation. (Hint: the denominator can't be zero.) af Ij (ii) Show that at dr;= 713 (iii) Show that Vf = f2.
- Let V be the vector space of continuous functions defined f : [0,1] → R and a : [0, 1] →R a positive continuous function. Let < f, g >a= Soa(x)f(x)g(x)dx. a) Prove that <, >a defines an inner product in V. b) For f,gE V let < f,g >= So f(x)g(x)dx. Prove that {xn} is a Cauchy sequence in the metric defined by <, >a if and only if it a Cauchy sequence in the metric defined by...
(b) Let F: R2 + Rº be a vector field on R2 defined as F(x, y) = (3y, 22 – y). Suppose further that ^ C R2 is a curve in R2 consisting of the parabola y = 22 - 1 for 1 € (-1,0) and the straight line y = 1 – 1 for 1 € [0,1]. (i) Sketch the curvey in R2 [2] (ii) By considering the curve y piecewise, compute the vector field integral: [5] F(x). F(x)...
you can skip #2
Show that F() = Vf (), 1. Let F R3 -R be defined by F(I) = F12", where u where f(r,y,) = =- +22 2. Consider the vector field F(E,) = (a,y) Compute the flow lines for this vector field. 3. Compute the divergence and curl of the following vector field: F(x,y,)(+ yz, ryz, ry + 2)
Show that F() = Vf (), 1. Let F R3 -R be defined by F(I) = F12", where u...
#3 Consider the vector field F- Mi+ Nj Pk defined by: F- ysinzi+sinjry cos z k. Compute the line integral ScF dr over a unit circle. Compute the line integral ysin z dr+ r sin z dy + ry cos zdz (0,0,0) #3 Use Green's Theorem to evaluate the line integral along the given positively orientated curve C. e2*t d e" dy, C is the triangle with vertices (0,0), (1,0), and (1,1)
#3 Consider the vector field F- Mi+ Nj...
Let F be a field and V a vector space over F with the basis {v1, v2, ..., vn}. (a) Consider the set S = {T : V -> F | T is a linear transformation}. Define the operations: (T1 + T2)(v) := T1(v) + T2(v), (aT1)(v) = a(T1(v)) for any v in V, a in F. Prove tat S with these operations is a vector space over F. (b) In S, we have elements fi : V -> F...
2. Consider the vector field F = (z v)a I zy (z + a)2. Consider also a frustum of cone defined as: (see figure). Let us call V the volume of this solid. Alio, let S be the closed surface enclosing the volume: S -S1 U S2 U S3, where Si is the flat bottom (z = 1), S2 is the curved surface and Ss is the flat top (z 4). (a) calculate the flux Ф-ISF ds, using the appropriate...
-28 Find a unit vector in the direction of the vector 21 A unit vector in the direction of the given vector is (Type integers or simplified fractions.)
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is a unit vector
y/(x2 if(, y(0,0)) 0if (x, y (0,0)) f (a, y) calculate Dvf, where
Q5 (a) Provide the definition of the derivative of a map F: ViV2 where (V, l1) a are normed vector spaces (possibly infinite dimensional) (b) Let C((0, 1) be the space of continuous real valued functions on [0, 1] endowed with the supremum norm. Define F:C ((0, 1]) C([0, 1]) by F(() Jo f()dt, e for all f E C(0, 1). Show directly from the definition that the derivative of F is differentiable on the entire domain. (c) For the...