Category: Difficult integration problems pdf

Difficult integration problems pdf

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up. I don't mind about negative Xs. I'm aware that there's a theorem which you can use that integrates the function using the points where the function can't be solved or something like that improper integrals?

difficult integration problems pdf

Unfortunately, this is no homework and my calculus teacher has no idea how to solve this I just saw this integral by accident. I've been struggling with it for like a week now. I just want the answer and preferably the steps. Possible starting points:.

That was one approach that a guy told me. If you don't like it you could start with the more traditional way:. After that I've been told that you could integrate by parts but it's just too hard for me. I simply get nowhere. I won't type everything cause it's a waste of time. If anyone wants me to type in more work I'd be happy to if it helps in any way. I'm in a stage where I just want to see how this super-complex at least for me integral is solved.

I've used wolframalpha but it's nowhere near a human approach. So well And sorry for the long post! If you don't then you can try. If I didn't make a mistake and I wouldn't waige on this! Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 7 years, 5 months ago.

Active 2 years, 4 months ago. Viewed 16k times. Gaspa79 Gaspa79 2 2 gold badges 4 4 silver badges 10 10 bronze badges. Active Oldest Votes. Can you now calculate the last integral in the method 1 by the method 2?We conclude the discussion of integrating trig functions by reviewing the derivatives of tangent and secant, then finding antiderivatives for these functions and for cosecant.

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difficult integration problems pdf

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We don't offer credit or certification for using OCW. Made for sharing. Download files for later. Send to friends and colleagues. Modify, remix, and reuse just remember to cite OCW as the source. Session Integrals Involving secant, cosecant and cotangent. Course Home Syllabus 1. Applications of Differentiation. The Definite Integral and its Applications. Techniques of Integration.More then half enterprises which were surveyed in declared that difficulties with the integration of the existing systems are the most important obstacle to expand the process and business management support.

Other major integration problems are diversification of the existing systems, their quantity and non-unified data architecture. With these problems, it is not easy to accomplish increasingly complex functions and, finally, to obtain an overall process efficiency, which requires quick and robust vertical communication and data exchange between the systems.

Common integration practice is to achieve short-term ad-hoc objectives by creating dedicated point-to-point links between the subsystems everywhere it is necessary. Most of the links are established between components of the process and control layer, where supervisory control systems receive data from plant-floor devices and subsystems. If component A needs data from component B, a dedicated link is created.

integration by parts, DI method, VERY EASY

This link provides data from B to A using a proprietary solution acceptable to the component A. At the next stage of system maturity, new links are created between systems on the business management and control layers. Future enterprise expansion will force to build next direct cross links between business management and production. Additionally, redundant communication links are required to meet an appropriate level of reliability.

Finally, we have to deal with communication chaos, which is difficult to be controlled. These chaotic point-to-point links make common resources impossible to be used by many potential client systems. After years of establishing ad hoc links, the interconnection network becomes very complicated and chaotic causing that we have to deal with the following problems:.

The problems presented above grow with the increase of data transfer traffic in an enterprise. On the other hand, production costs optimization demands new subsystems and, as a consequence, their integration with the others. It seems that this contradiction cannot be solved at all without a new systematic design approach methodology and architecture modification.

In other words, in any system there is a point level of complexity that, having been reached, will even make it impossible to keep the system running. See also Fundamental problems of systems integration More then half enterprises which were surveyed in declared that difficulties with the integration of the existing systems are the most important obstacle to expand the process and business management support.

How is chaos created? Inefficiency — a lot of the associations are based on a common communication medium, sometimes of a low quality, e. Costs — if communication is based on the third-party toll infrastructure, the fee for the data transfer may be significant.Integration is the big problem that solution providers are there to handle for their customers, but that doesn't mean solving integration problems comes easy to them.

Integrating new technologies with a customer's existing technologies or integrating disparate technologies to create a new, marketable solution both pose challenges that successful solution providers must learn to overcome. In fact, ensuring ease of integration with existing products and technologies ranks as the fourth biggest challenge -- among a list of 25 challenges -- that solution providers face, according to a SearchITChannel Channel Directions survey conducted earlier this year among solution providers in the United States and Canada.

We're always walking into a situation where customers already have something.

Exam Questions – Integration

It's always 'what do you have, what do you need,' and that implies integration: taking different solutions and making them work together as seamlessly as possible.

Think of it as the bedrock issue: what a solution provider gets paid for. When you go to HP, they lead with an HP solution. But when you say, 'I already have Dell servers, and I'd like to add HP storage,' that can become problematic, and that's where the integration challenge comes from," said Roger Channingchief technology officer at MicroTechan integrated solutions provider based in Tysons Corner, Va.

They don't want to buy bits and pieces and integrate it themselves. They want one belly button they can press to say, 'Here is the solution. A solution provider's role, analyst Morris explained, is to "design systematic processes for implementing a technology so that even if there's complexity or it's unfamiliar, it's step one, two, three. Experts agree that having an established process is key to addressing integration problems. MicroTech's Channing said his company's process calls for discovering and researching new technologies, designing and developing new solutions, testing and evaluating them, then prototyping and deploying them.

The testing and evaluation portions of the process are particularly important. The testing and evaluation are imperative to ensuring that an integration is going to work. It happens fairly frequently, he said, when big groups of people retire after working for 30 or 40 years on a system and the company is looking to use outsourcing in an expanded role.

Customer executives have the idea that technology is complex and "don't understand there are ways to do things that are straightforward and easy to understand," Hill said. It takes time to explain to them in detail … that there's different things in their networks that will cause main costs to be higher or projects to take longer because they've inherited something that's above average in complexity," he said. We're not afraid to say no or price them accordingly.

We tend to sometimes overanalyze, but it pays off because we know what we're getting into before we start," Hill said. Triware's Yeung agreed. Know their requirements and the applications they are using," he said. Please check the box if you want to proceed.By Rich Morin. Military service is difficult, demanding and dangerous. But returning to civilian life also poses challenges for the men and women who have served in the armed forces, according to a recent Pew Research Center survey of 1, veterans.

Why do some veterans have a hard time readjusting to civilian life while others make the transition with little or no difficulty? To answer that question, Pew researchers analyzed the attitudes, experiences and demographic characteristic of veterans to identify the factors that independently predict whether a service member will have an easy or difficult re-entry experience.

Using a statistical technique known as logistic regression, the analysis examined the impact on re-entry of 18 demographic and attitudinal variables.

Four variables were found to significantly increase the likelihood that a veteran would have an easier time readjusting to civilian life and six factors predicted a more difficult re-entry experience. According to the study, veterans who were commissioned officers and those who had graduated from college are more likely to have an easy time readjusting to their post-military life than enlisted personnel and those who are high school graduates.

In contrast, veterans who say they had an emotionally traumatic experience while serving or had suffered a serious service-related injury were significantly more likely to report problems with re-entry, when other factors are held constant.

In addition, those who served in a combat zone and those who knew someone who was killed or injured also faced steeper odds of an easy re-entry. According to the analysis, a recent veteran who attends religious services at least once a week has a 67 percent chance of having an easy re-entry experience.

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Eight other variables tested in the model proved to be poor predictors of how easily a veteran made the transition from military to civilian life. They are race and ethnicity separate variables tested the effect of being white, black, Hispanic or some other race ; age at time of discharge; whether the veteran had children younger than 18 while serving; how long the veteran was in the military; and how many times the veteran had been deployed.

This analysis employs a statistical technique known as logistic regression to measure the effect of any given variable on the likelihood that a veteran had an easy or difficult time re-entering civilian life while controlling for the effects of all other variables.

To identify the factors that best predicted an easy re-entry, eighteen independent variables were included in the regression model. The variables were chosen based on their predictive power in previous research. Other variables tested the impact of specific experiences on re-entry: whether the veteran had been seriously injured while serving; experienced a traumatic or emotionally distressing event; served in a combat or war zone; or served with someone who had been killed or injured.

difficult integration problems pdf

A question that asked veterans whether they understood most or all of the missions in which they participated also was included. Six variables were associated with a diminished probability that a veteran had an easy re-entry. Among the 18 variables tested, veterans who experienced emotional or physical trauma while serving are at the greatest risk of having difficulties readjusting to civilian life. According to the analysis, having an emotionally distressing experience reduces the chances that a veteran would have a relatively easy re-entry by 26 percentage points compared with a veteran who did not have an emotionally distressing experience.

Overall, the survey found that serious injuries and exposure to emotionally traumatic events are relatively common in the military. The survey also pinpoints some of the specific problems faced by returning service members who suffered service-related emotional trauma or serious injury.

Many veterans who served after Sept. A word of caution about comparing re-entry experiences between service eras. For earlier generations of veterans, their views could have changed from what their views were at a similar point in their post-military lives. Also, the overall view of veterans of earlier eras could change as members of this generation die and the composition of the cohort becomes different.

As a consequence, these results are best interpreted as the views and experiences of current living veterans from each era, and not necessarily the views each generation held in the years immediately after leaving the service. The analysis produced a surprise. At first glance, this finding seems counterintuitive.

Other studies of the general population have shown that marriage is associated with a number of benefits, including better health and higher overall satisfaction with life.

difficult integration problems pdf

In fact, the answer to another survey question points to a likely explanation. Taken together, these findings underscore the strain that deployments put on a marriage before a married veteran is discharged and after the veteran leaves the service to rejoin his or her family. Three variables tested in the model—rank at the time of discharge, how well the mission was understood and education level—emerged as statistically significant predictors of an easy re-entry experience for all veterans.

College-educated veterans also are predicted to have a somewhat easier time readjusting to life after the military than those with only a high school diploma.Hot Threads.

Sample Questions with Answers

Featured Threads. Log in Register. Search titles only. Search Advanced search…. Log in. Forums Mathematics Calculus. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Really hard integrals? Thread starter pakmingki Start date Jun 11, I want to try moer. Related Calculus News on Phys. Last edited: Jun 11, VietDao29 Homework Helper. ObsessiveMathsFreak said:. Gib Z Homework Helper.

Quite an interesting one that someone gave to me. Nice Solution :. Kurdt Staff Emeritus. Science Advisor. Gold Member. One of my faves. THey look way different from the ones ive ever seen.

Ill give them a whirl sometime soon. This is a pretty hard one but I haven't finished Calc 2 so I don't know any harder than this. Try this one I think the original poster has quite enough thanks Invictious said:. Took me 5 minutes only That question though, however, was just. I suggest everyone try that question. Equilibrium said:. Last edited: Jun 14, Integration prasannapakkiam said:. Way to drop the ball on the limits at the end JohnDuck said:.

I'm stumped but intrigued.A loss via away goals, extra-time or penalty shootout will mean the market is settled as No. Tournament and Top Goalscorer DoublesA special price will apply to predict the Tournament Winner and the Tournament Top Goalscorer.

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