User Account

All Pages

Relative error and the relative residual

Assignment Help Basic Statistics
Reference no: EM13964876

The famous Hubert matrices are given by Hij= 1/(i +j - 1). The n x n Hilbert matrix Hn is easily produced in MATLAB using hilb(n). Assume the true solution of H,x = b for a given n is x = [1.. .. , 1]^T. Hence the righthand side b is simply the row sums of H, and b is easily computed in MATLAB using b=sum(hilb(n) 9'. Use your codes mylu.m and lusolve.m to solve the system Hnx = b for i. = 5, 10, 15, 20. For each n, using the oo ? norm, compute the relative error and the relative residual. Discuss what is happening here. You may find it useful to look at the cond command in MATLAB.

(You do not have to use MATLAB to deal with this problem.)

Reference no: EM13964876

Questions Cloud

Multiplications to calculate ax : Let A be an M x N matrix and X an N x 1 matrix. (a) How many multiplications are needed to calculate AX?
Products can be produced at minimal cost : The great co. has contracted to produce 500 of their product next week for one of its customers. The company has three machines that can produce the products, but at different variable and fixed costs. These costs and weekly production limits are sho..
What is the distribution of sales by region : What is the distribution of sales by region? Do customers prefer shopping online or going to the local store? Is this preference region specific? Which regions have the higher average of sales?
The number of bonds an element tends to form : The number of bonds an element tends to form can be referred to as its valence, and typically corresponds to how many electrons that element needs to complete its octet. These rules will always hold true for hydrogen and fluorine, and generally will ..
Relative error and the relative residual : For each n, using the oo ? norm, compute the relative error and the relative residual. Discuss what is happening here. You may find it useful to look at the cond command in MATLAB.
Differences between data warehouses and data marts : discuss the differences between data warehouses and data marts. Also, discuss how organizations can use data warehouses and data marts to acquire data.
System of equations using matrices : Solve each system of equations using matrices(row operations). Have to see step by step of what is going on.
Accommodates local differences in consumer tastes-preference : What do you think Domino's does from an organizational perspective to make sure that it accommodates local differences in consumer tastes and preferences?
What is purpose of enterprise system-describe three types : What is the purpose of an enterprise system and describe three types? What are two challenges of legacy systems? Why are employees a source of valuable information and why are they an untapped resource at many companies? What is an ERP and why do so ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Let x be random variable with the following probability

let x be random variable with the following probability

  Bartlett test or levene test

Use a one-factor ANOVA to test the null hypothesis that population abundance is equal among these 6 species. Be sure to interpret your results and explain your reasons for declaring them significant or not significant. Use either Bartlett's test o..

  Briefly describe the statistical analyses used

Briefly describe the statistical analyses used

  Find confidence interval for proportion of letters mailed

Based on this, compute a 99% confidence interval for the proportion of all letters mailed in the United States that were delivered the day after they were mailed.

  Confidence interval for mean difference in blood pressure

Systolic blood pressure are mesaured at baseline and again 4 weeks later. Computed 95% confidence interval for the mean difference in blood pressure over 4 weeks.

  Sequential assembly line made of ?ve operations-probability

Suppose a product must go through a sequential assembly line made up of ?ve operations. The time it takes to complete each operation is normally distributed with a mean of 180 seconds and standard deviation of 5 seconds.

  Proportion of students in the class receive low grade

Percentage grades in a large chemistry class follow a normal distribution with mean 67 and standard deviation 8. (a) What proportion of students in the class receive a grade lower than 56.5?

  Test firms assumption-account balances normally distributed

A random sample of 61 accounts were checked. The standard deviation was $286.20. At α= 0.01, test the firms' assumption. Assume the account balances are normally distributed.

  In a study designed to test the effectiveness of

in a study designed to test the effectiveness of acupuncture for treating migraines 142 subjects were treated with

  A newspaper company received 14 entries in a contest the

a newspaper company received 14 entries in a contest. the probability of receiving a newspaper subscription order with

  Determining test of independence of attributes

The following data resulted from an experiment to study the effects of leaf removal on the ability of fruit of a certain type to mature:

  Determine standard deviation of all sample means

Several samples of size 56 are randomly selected and means computed. What value would you expect to determine for standard deviation of all these sample means?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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