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It delivers turnkey engineering and construction solutions to offshore and onshore hydrocarbon projects. We also offer comprehensive services for gas-based power plants.

L&T Finance Holdings Ltd.

The business undertakes EPC projects for ferrous and non-ferrous metal industries, as well as bulk material and ash handling systems in the power, port, steel and mining sectors.

We also offer specialised turnkey defence construction solutions like underground structures, military bases, storage depots, smart infrastructure and modernisation of existing facilities.

The business has a marketing network that spans the globe and is reinforced through strategic alliances with international distributors. With twenty-two delivery centres and a diversified work force worldwide, the business is expanding into new geographies even as it consolidates its client facing organization in North America and Europe.

The Company has design and delivery locations in six centres in India, as well as two delivery centres in the US. It will cover 72 km across three corridors, transforming Hyderabad, triggering robust economic activity around the city. Mindtree is a global technology consulting and services company, helping Global corporations marry scale with agility.

Our enterprise clients rely on our domain knowledge to make sense of digital complexity and bring new initiatives to market faster. S V Desai and Mr. T Madhava Das to the Board. Read more. Mindtree Mindtree is a global technology consulting and services company, helping Global corporations marry scale with agility. Campus Recruitment. View More. Press Release. Current Openings Follow Us. All rights reserved. You are using an outdated browser.

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Please Update your browser to improve your experience. Download Updated Browser Continue.In information retrievaltf—idf or TFIDFshort for term frequency—inverse document frequencyis a numerical statistic that is intended to reflect how important a word is to a document in a collection or corpus.

The tf—idf value increases proportionally to the number of times a word appears in the document and is offset by the number of documents in the corpus that contain the word, which helps to adjust for the fact that some words appear more frequently in general. Variations of the tf—idf weighting scheme are often used by search engines as a central tool in scoring and ranking a document's relevance given a user query.

One of the simplest ranking functions is computed by summing the tf—idf for each query term; many more sophisticated ranking functions are variants of this simple model. Suppose we have a set of English text documents and wish to rank which document is most relevant to the query, "the brown cow". A simple way to start out is by eliminating documents that do not contain all three words "the", "brown", and "cow", but this still leaves many documents.

To further distinguish them, we might count the number of times each term occurs in each document; the number of times a term occurs in a document is called its term frequency. However, in the case where the length of documents varies greatly, adjustments are often made see definition below.

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The first form of term weighting is due to Hans Peter Luhn which may be summarized as: [3]. Because the term "the" is so common, term frequency will tend to incorrectly emphasize documents which happen to use the word "the" more frequently, without giving enough weight to the more meaningful terms "brown" and "cow". The term "the" is not a good keyword to distinguish relevant and non-relevant documents and terms, unlike the less-common words "brown" and "cow".

Hence an inverse document frequency factor is incorporated which diminishes the weight of terms that occur very frequently in the document set and increases the weight of terms that occur rarely. The specificity of a term can be quantified as an inverse function of the number of documents in which it occurs. In the case of the term frequency tf tdthe simplest choice is to use the raw count of a term in a document, i.

Other possibilities include [5] : The inverse document frequency is a measure of how much information the word provides, i. It is the logarithmically scaled inverse fraction of the documents that contain the word obtained by dividing the total number of documents by the number of documents containing the term, and then taking the logarithm of that quotient :. A high weight in tf—idf is reached by a high term frequency in the given document and a low document frequency of the term in the whole collection of documents; the weights hence tend to filter out common terms.

Loblaw Companies Limited (L.TO)

Since the ratio inside the idf's log function is always greater than or equal to 1, the value of idf and tf—idf is greater than or equal to 0. As a term appears in more documents, the ratio inside the logarithm approaches 1, bringing the idf and tf—idf closer to 0. Although it has worked well as a heuristicits theoretical foundations have been troublesome for at least three decades afterward, with many researchers trying to find information theoretic justifications for it.IIFL Finance.

Shriram City Un. Sundaram Fin. Edelweiss Fin. Aditya Birla Capital Ltd. Mas Financial Services Ltd. Chola Inv Fin. Motilal Oswal. Capri Global. For the quarter endedthe company has reported a Consolidated sales of Rs Rajani Gupte, Mr. B Prabhakar, Mr. Dinanath Dubhashi, Mr.

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Expert Views. Technicals Technical Chart Visualize Screener. Commodities Views News.Subscribe to Premium to view Fair Value for L. Most of Canada's biggest banks are ending their extra payments to employees who continued working in public during COVID pandemic lockdowns, as the country's daily infection tallies decline.

The banks' moves follow grocery chains Metro Inc, Loblaw Companies and Sobeys Inc in ending the additional work incentives, which were put in place when many other Canadian workers began working from home to limit their risk. The rollback of extra temporary pay for grocery store employees prompted a Canadian parliamentary committee on Thursday to summon major retailers to explain their decisions. A Canadian parliamentary committee voted on Thursday to summon major retailers to demand they explain their decision to cancel temporary wage increases for workers during the coronavirus outbreak, the Globe and Mail reported.

The newspaper said all 11 members of the House of Commons industry committee agreed on the need for testimony from executives at Loblaw Companies Ltd, Sobeys Inc and Metro Inc. Yahoo Finance. Sign in. Sign in to view your mail.

Finance Home. Loblaw Companies Limited L. Toronto - Toronto Delayed Price. Currency in CAD.

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Long Term. Previous Close VolumeMarket Cap Estimated return represents the projected annual return you might expect after purchasing shares in the company and holding them over the default time horizon of 5 years, based on the EPS growth rate that we have projected. Research that delivers an independent perspective, consistent methodology and actionable insight.

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Day's Range. Beta 5Y Monthly. Earnings Date. Jul 23, Ex-Dividend Date. Mar 12, Serving customers in more than 30 countries, across various industries. Explore our offerings by Industry or by Business. It delivers turnkey engineering and construction solutions to offshore and onshore hydrocarbon projects. We also offer comprehensive services for gas-based power plants.

The business undertakes EPC projects for ferrous and non-ferrous metal industries, as well as bulk material and ash handling systems in the power, port, steel and mining sectors. We also offer specialised turnkey defence construction solutions like underground structures, military bases, storage depots, smart infrastructure and modernisation of existing facilities.

The business has a marketing network that spans the globe and is reinforced through strategic alliances with international distributors. With thirty-two delivery centres and a diversified work force worldwide, the business is expanding into new geographies even as it consolidates its client facing organization in North America and Europe. The Company has design and delivery locations in six centres in India, as well as two delivery centres in the US.

It covers Mindtree is a global technology consulting and services company, helping Global corporations marry scale with agility. Our enterprise clients rely on our domain knowledge to make sense of digital complexity and bring new initiatives to market faster. Integrated solutions, systems and equipment for the entire Power value chain.

Custom designed equipment and systems for critical process industries, delivered to customers around the world. Home Our Businesses Print. Our Businesses. Business Industry.

Mindtree Mindtree is a global technology consulting and services company, helping Global corporations marry scale with agility.

Power Integrated solutions, systems and equipment for the entire Power value chain. Process Industry Custom designed equipment and systems for critical process industries, delivered to customers around the world. Shipbuilding Defence Systems Aerospace. Information Technology IT Solutions and services offered worldwide, through a network of offices.

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To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Donate Login Sign up Search for courses, skills, and videos. Math Differential equations Laplace transform Properties of the Laplace transform. Laplace as linear operator and Laplace of derivatives. Laplace transform of cos t and polynomials. Laplace transform of the unit step function. Inverse Laplace examples. Laplace transform of the dirac delta function. Next lesson.

Current timeTotal duration Google Classroom Facebook Twitter. Video transcript Let's try to fill in our Laplace transform table a little bit more. And a good place to start is just to write our definition of the Laplace transform.

The Laplace transform of some function f of t is equal to the integral from 0 to infinity, of e to the minus st, times our function, f of t dt. That's our definition. The very first one we solved for-- we could even do it on the side right here-- was the Laplace transform of 1.

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You know, we could almost view that as t to the 0, and that was equal to the integral from 0 to infinity. And then you have to evaluate that from 0 to infinity. When you take the limit as this term approaches infinity, this e to the minus, this becomes e to the minus infinity, if we assume s is greater than 0. So if we assume s is greater than 0, this whole term goes to 0.

So you end up with a 0 minus this thing evaluated at 0. We already solved that. Now, let's increment it a little bit. Let's see if we can figure out the Laplace transform of t. So we can view this as t to the 0. Now this is t to the 1.The number A represents the amount to be learned, and the number k measures the rate of learning.

Suppose that a student has an amount A of vocabulary words to learn. A psychologist determines that the student learned 20 vocabulary words after 5 minutes. In the function, e represents the natural base, and k represents the constant to be determinedetc. Please help, show me how to do this so that I can understand step by step because we learned this for the first time in class yesterday and at the end of class we get a take-home test on it.

I don't understand, the book doesn't explain these anywhere for some reason and looking at the answers or going over the problems we did yesterday isn't really helping.

Thanks in advance, please and thank you. Now we need to solve for -kt. You can see that this is the exponent of e, or Euler's number. So in order to solve for -kt you need to use the natural logarithm, abbreviated as ln i. Remember that the result of a logarithm is an exponent, so if you have:. You have k, and since k is not a function of another variable we assume it is a constant. Your new equation is:.

Laplace transform of t: L{t}

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Fox News host fact-checks Trump during interview. NBA star looks dramatically slimmer at Disney World. White House doc shows 18 states in virus 'red zone'. Answer Save. In order to determine k, you need to solve the equation you were given for k. This is the same process as b. Let's start by solving the equation for t. After Still have questions? Get your answers by asking now.