Mathematics Homework Solutions

Banach space and inner product

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Find the linear equation that expresses temperature in degrees Fahrenheit as a function of temperature in degrees Celsius.

In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? There is a formula that converts temperature in degrees Celsius to temperature in degrees Fahrenheit. You are given the following data points: Fahrenheit Celsius Freezing point of water 32 0 Boiling ...continues

Linear Functionals and Radius of Convergence

Let . (a) Show that if , then the power series has radius of convergence . (b) If and (F is either the real or the complex field) is defined by , find the vector such that for . (c) For a bounded linear functional define the norm of L as follows: for . What is the norm of the linear functional L defined ...continues

Linear functional on N U 0

Let H = l^2(N U 0) (a) Show that if {a_n} is in H, then the power series sum_{n=0}^infty a_n z^n has radius of convergence >= 1. (b) If |b| < 1 and linear functional L: H-->F (F is either the real or the complex field) is defined by L({a_n}) = sum_{n=0}^infty a_n b^n, find the vector h_0 in H such that L(h) = < h, h_0 > ...continues

Proof that a sequence is monotone increasing

(See attached file for full problem description and equations) --- Prove that the sequence is monotone increasing. Use the following hints: 1) If ln f(x) is increasing, then so is f(x). 2) If , then f is increasing. 3) ln x is defined to be . ---

Area Measure and Orthogonal Vectors

Let m be an area measure on {z in C:|z| < 1}. Show that 1, z, z^2,... are orthogonal vectors in L^2(m). Find ||z^n||, n >= 0. If e_n=(z^n)/||z^n||, n >= 0, is {e_0, e_1,...} a basis for L^2(m)?

Limits and Convergence of Sequence

Prove that the sequence of functions … converges for every , and find the limit to which it converges. Please see the attached file for the fully formatted problems.

Proof of Uniform Convergence of a Sequence

Let f be a function such that |f'(x)| f uniformly on R . Please show each step! Thanks ---

Uniform Convergence Proof

--- Prove: If fn converges to f uniformly and gn converges to g uniformly, then converges uniformly to f/g. --- See attached file for full problem description.

Uniform Convergence of a Sequence of Functions : fn(x)=arctan(nx)

Discuss the uniform convergence of the sequence of functions Please see the attached file for the fully formatted problem.

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