Prove that there are no matrices

Assignment Help Algebra
Reference no: EM131026495

Let A = ( ) be an n n matrix. Define a trace of A to be the sum of the diagonal elements, that is
tr(A) = .

(a) Show that the trace is a linear map of the space of n n matrices into K.

(b) If B is invertible, show that tr(B AB) = tr(A).

(c) Prove that there are no matrices A, B such that AB-BA=

Attachment:- problem 11.zip

Reference no: EM131026495

Questions Cloud

Observed number of breakdowns : The number of breakdowns Y per day for a certain machine is a Poisson random variable with mean λ. The daily cost of repairing these breakdowns is given by C = 3Y 2. If Y1, Y2, . . . , Yn denote the observed number of breakdowns for n independentl..
Determine the electron de broglie wavelength and momentum : A free electron has wave function Ψ(x, t) = sin(kx - θt) 1, Determine the electron's de Broglie wavelength, momentum, kinetic energy and speed when k = 50 nm-1 .
Estimate the area of the tea spill : The surface area of a tea spill is estimated by measuring the width (in cm) of the spill at equally spaced intervals of 1.5 cm (width data is found in TeaSpill.txt). Use numerical integration to estimate the area of the tea spill.
Prepare in advance to address the changes in the hospital : Provide your conclusion on how Baptist Hospital should prepare in advance to address the changes in the hospital environment that will be caused by Medicaid expansio.
Prove that there are no matrices : Show that the trace is a linear map of the space of n n matrices into K.
Create a ppt on a training method for executives : You have been asked to create a PowerPoint presentation on a training method for executives at an organization you currently work for or an organization you wish to work for in the future.
Which degree do you think best represents the data : Write a Matlab script to try fitting a 1st, 2nd, and 3rd degree polynomial to the dataset described by volume of water vs. volume of ice. Use subplot to draw all three
What power of reading glasses should be prescribed for her : A person struggles to read by holding a book at arm's length, a distance of 49cm away. What power of reading glasses should be prescribed for her, assuming they will be placed 1.9cm from the eye and she wants to read at the "normal" near point of ..
Write a script to integrate a function : Write a script to integrate a function in three different ways: by eyeballing it, by calling trapz with a list of points, and by calling quad with a function.

Reviews

Write a Review

Algebra Questions & Answers

  Show that e is a closed subspace of r^n

Let A be a real n x n matrix. Show that a linear subspace E of R^n is A-invariant if and only if E is e^{tA} -invariant for all t in R, where e^{tA} is the exponential matrix associated to A.

  Equation involving projectile fired into air

The height of a projectile fired vertically into the air (neglecting air resistance) at an initial velocity of 75 feet per second is a function of the time (t) and is given by the equation h(t) = 75t - 16t^2.

  As a medical research technician you have been assigned the

bacterial growthas a medical research technician you have been assigned the task of modeling the growth of five

  Solving the equation algebraically

Solving the equation algebraically

  Write down the polynomial in factored

write the polynomial in factored form.4x3nbsp 8x2nbsp- 96x6xxnbsp 4xnbsp- 44xxnbsp- 4xnbsp 64xxnbsp 6xnbsp 4-4xxnbsp

  What is the total area of the surface

What is the length of BF, in centimeters and how many exams has Jeff taken so far and what is the total area of the surface of the cube that is NOT red?

  Determining absolute value inequalities

What is the best method for solving absolute value inequalities? Finally, we remember that |x|=|-x|. This means that we do not solve absolute value inequalities with a negative x inside! We simply rewrite it: |2-3x|=|3x-2|. This means we never have..

  Which numbers cannot be used in place of the variable

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator.

  Computing compount interest

The formula A=P(1+r)^2 gives the amount A in dollars that P dollars will grow to in 2 years at interest rate r (where r is given as a decimal), using compound interest. What interest rate will cause $2000 to grow to $2247.20 in 2 years?

  Write down your thoughts on the significance and impact of

write down your thoughts on the significance and impact of the graphing calculator and resulting implications to

  What interval represents the most number of courts

What interval represents the most number of courts? How many courts have less than 20,000 seats? How many courts have between 17,000 and 19,000 seats?

  Find a linear function that fits the data

In 1990 the life expectancy of males in a certain country was 61.2 years. In 1996 it was 64.3 years. Let E represent the life expectancy in year t and let + represent the number of years since 1990.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd