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Question: Suppose memory or size restrictions prevent a matrix program from working with matrices having more than 32 rows and 32 columns, and suppose some project involves 50 X 50 matrices A and B. Describe the commands or operations of the matrix program that accomplish the following tasks.
a. Compute A + B.
b. Compute AB
c. Solve Ax = b for some vector b in R50, assuming that A can be partitioned into a 2 X 2 block matrix [Aij], with A11 an invertible 20 X 20 matrix, A22 an invertible 30 X 30 matrix, and A12 a zero matrix.
Greg drove at a constant speed in a rainstorm for 245 miles. He took a break, and the rain stopped He then drove 104 miles at a speed that was 3 miles per hour faster than his previous speed. If he drove for 7 hours, find the car's speed for each ..
A stone is tossed vertically upward with an initial velocity of 30 ft/s from the top of a 40 ft building. What is the height of the stone after 0.21 s?
The results of a recent study regarding smoking and three types of illness are shown in the following table.
In 2010, the distribution of total tuition, room, and board costs for American public four-year universities was approximately normal with a mean of $15,040 and a standard deviation of $2100. What range do "almost all" (that is, 95% of) public uni..
Evaluate the expotential equation y=(1/4)^x+3 for three positive values of x, three negative values of x, and x=0.Show your work. Syate the equation of the line asymptotic to the graph (if any).
evaluate the following limits using lhopitals rule1 lim x-gt2 x2-4x4 sin2pix2 lim x-gt0 x2x3lim x-gt0 xcosx1x4lim
a shipment of 150 television sets contains 3 defective units. Determine how many ways a vending company can buy three of these units and receive (a) no defective units, (b) all defective units and, (c) at least one good unit.
How many belonged to either one or the other or both?
you buy a new stereo for $1300 and are able to sell it 4 years later for #275. Assume that the resale value for the stereo decays exponentially with time. Write an equation giving the stereo's resale value V (in dollars) as a function of the time ..
Quiz 6. Use the Chain Rule to prove the following: The derivative of an even function is an odd function
Determine whether the directed graph shown has an Euler circuit. Construct an Euler circuit if one exists. If no Euler circuit exists, determine whether the directed graph has an Euler path. Construct an Euler path if one exists.
The future value of a simple interested investment is given by S=P(1+rt), where P is the principal invested at a simple interest rate r for t years. What principal P must be invested for t=10 months at the simple interest rate r=5% so that the fu..
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