Sparse thoughts (on the foundations of a

Post a Comment. Sunday, August 7, Sparse thoughts on the foundations of a Thermodynamics of Hydrological Systems.

Four Major Foundations of Curriculum and their Importance in Education

Assume you have a control section in which you include a natural landscape. Fluxes of energy and mass across the boundary of the control volume are more or less understood. What is not understood is the arrangement these fluxes can have inside the control volume, and how to describe their complexity would be entropy their measure?

Make this conceptual experiment. Think that inside the volume there is only a bare soil it is in itself an extraordinary simplification to think that soil is simpleand think another system where you have grass growing on the soil. Make it simpler! Just have a substance inside the control volume, and air which is still very complicate because of turbulence. The problem at this level is primarily descriptive. How to describe the content of the control volume? According to physics, we have 1 to define the way the internal stuff interacts with the incoming fluxes of mass, momentum and energy 2 understanding or making some assumption on the stability and form of what is inside.

Stability has certainly to do with the phase of the system, which assumes that the matter has a certain organisation.

We have a weak knowledge of it. Without any doubt, we have to add the complex concepts of temperature of the system, its pressure, its volume, its chemical potential and how to fluxes reorganise what is inside. Even if we are talking of inhanimated substances, so far. But, if we intoduce or growing systems that can be still inhanimatedthis become more and more complicate, if we introduce self-reproducing systems life?

Is this way of thinking reductionism? It could be, but it is not.

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That's kind of elementary mathematics that connections between points grow more than exponentially and the number of interactions grow equally likely, such that a small brain has as many connections comparable to the whole number of protons in the known universe.

So one quality of the system, besides the matter it is composed of, is given by the number of interactions that it is composed on. Even if we limit our arguments to inanimate matter, these interactions are usually not computable, and this make the system unknowable, and destroys, in my view, the naive idea that I am a reductionist.To save this word, you'll need to log in.

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Some common synonyms of sparse are meagerscantyscantskimpyand spare. While all these words mean "falling short of what is normal, necessary, or desirable," sparse implies a thin scattering of units. Although the words meager and sparse have much in common, meager implies the absence of elements, qualities, or numbers necessary to a thing's richness, substance, or potency. The words scant and sparse are synonyms, but do differ in nuance.

Specifically, scant suggests a falling short of what is desired or desirable rather than of what is essential. While in some cases nearly identical to sparsescanty stresses insufficiency in amount, quantity, or extent.

The meanings of skimpy and sparse largely overlap; however, skimpy usually suggests niggardliness or penury as the cause of the deficiency. In some situations, the words spare and sparse are roughly equivalent.

However, spare may suggest a slight falling short of adequacy or merely an absence of superfluity. See more words from the same year Thesaurus Entries near sparse sparred sparring spars sparse sparseness sparsity spartan.

Accessed 18 Jul. Please tell us where you read or heard it including the quote, if possible. Name that color: aqua chartreuse wisteria orange Can you spell these 10 commonly misspelled words? Test Your Knowledge - and learn some interesting things along the way. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! It depends on what you base your decision. And who put it there, anyway? Literally How to use a word that literally drives some people nuts.

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sparse thoughts (on the foundations of a

Join Goodreads. Want to Read saving…. Want to Read Currently Reading Read. Error rating book. Refresh and try again. Foundation Quotes Showing of One must improvise as well. It's practically the same thing. It is dictated by a rising bureaucracy, a receding initiative, a freezing of caste, a damming of curiosity—a hundred other factors. It has been going on, as I have said, for centuries, and it is too majestic and massive a movement to stop. The real service to the state is to detect it in embryo.

The time periods dealt with are in the region of 3 generations. You haven't tried once. First you refused to admit that there was a menace at all! Then you reposed an absolutely blind faith in the Emperor! Now you've shifted it to Hari Seldon. Throughout you have invariably relied on authority or on the past—never on yourselves. There seems no doubt ever in your minds that the Emperor is more powerful than you are, or Hari Seldon Wiser.

And that's wrong don't you see? Hardin continued: "It isn't just you.

Statistical Learning of Sparse and Structured Biological Networks

It's the whole Galaxy. Pirenne heard Lord Dorwin's idea of scientific research.In H. Tristram Engelhardt published his widely read book, The Foundations of Bioethics. A second edition followed in Acknowledging the reality of pluralism, they must therefore accept the fact that their shared public morality must be minimal and largely procedural. The book is, I think, too long and too repetitive.

Pluralism resulted, and Enlightenment thinkers sought to provide a new ethic that, while secular, would still be universal in scope. Proponents of a universal but secular ethic often tell a story in which it was the fracturing of Christendom and the resulting religious warfare that forced nations to accept pluralism and to seek a secular ethic that could transcend the bloodshed caused by warring Christian factions.

But, as Engelhardt is quick to point out, that is hardly the end of the story. Our purportedly cosmopolitan world endorses what it calls diversity; yet it finds any real differences of belief to be threatening.

Anyone who offers an approach to bioethics that is peculiarly Christian will be thought to be divisive and disqualified from participation in the search for a shared public consensus. In response, much that passes for Christian bioethics tries to rid itself of particularity, of the sharp edges given by traditional belief. How traditional Christians thinking about bioethics ought to respond to this situation is not clear, however. There are moments when Engelhardt recognizes a kind of common Christian witness that might be shared by many believers of different denominational affiliations.

The only source of shared authority remaining is agreement or consent. Free fellow citizens can be mutually bound only insofar as they can reach agreement, and their public life will perforce have to accommodate, as much as possible, differing visions of the good. It accomplishes this precisely by having no universally established and shared vision of the morally good life.

Its authority is drawn solely from the permission of those who live together. Hence, within that larger society libertarian cosmopolitans will need and will form smaller, thicker communities in which they encounter others not just as strangers but as moral friends.

Those who lack any transcendent good to give value to their lives may come to value simply their lives! That vision gives pride of place to autonomous choice and supposes that all people should do so.Advanced knowledge on linear algebra and optimization; basic familiarity with signal and image processing. This course introduces the fundamentals of the field of sparse representations, starting with its theoretical concepts, and systematically presenting its key achievements.

We will touch on theory and numerical algorithms. Modeling data is the way we - scientists - believe that information should be explained and handled. Indeed, models play a central role in practically every task in signal and image processing. Sparse representation theory puts forward an emerging, highly effective, and universal such model. Its core idea is the description of the data as a linear combination of few building blocks - atoms - taken from a pre-defined dictionary of such fundamental elements.

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A series of theoretical problems arise in deploying this seemingly simple model to data sources, leading to fascinating new results in linear algebra, approximation theory, optimization, and machine learning. In this course you will learn of these achievements, which serve as the foundations for a revolution that took place in signal and image processing in recent years.

While we recommend taking both courses, each of them can be taken independently of the other. The duration of each course is five weeks, and each part includes: i knowledge-check questions and discussions, ii series of quizzes, and iii Matlab programming projects.

Theoretical guarantees to approximate solutions including definition of Restricted Isometry Property RIP and pursuit algorithms' stability. Receive an instructor-signed certificate with the institution's logo to verify your achievement and increase your job prospects. Add the certificate to your CV or resume, or post it directly on LinkedIn.

Give yourself an additional incentive to complete the course. EdX, a non-profit, relies on verified certificates to help fund free education for everyone globally. Unfortunately, learners from one or more of the following countries or regions will not be able to register for this course: Iran, Cuba and the Crimea region of Ukraine.

While edX has sought licenses from the U. Office of Foreign Assets Control OFAC to offer our courses to learners in these countries and regions, the licenses we have received are not broad enough to allow us to offer this course in all locations. EdX truly regrets that U. IsraelX Technion.

sparse thoughts (on the foundations of a

Video Transcript:. Course Type:. Associated Programs:. Sparse Representations in Signal and Image Processing. Share this course Share this course on facebook Share this course on twitter Share this course on linkedin Share this course via email.This website uses cookies to ensure you get the best experience. Learn more Got it! It is a well-wooded tract, in many places stretching out in charming glades like an English park, but it has a very sparse population and little cultivated land.

The population of this region, however, is sparseand its growth is slow. Many districts are fertile, but some, particularly those in the south-eastern part of the province, do not produce sufficient grain for the requirements of the sparse population. The hills are inhabited by a very sparse population of Mhairs, an aboriginal race. When she was cleaned up, she set about doing what she did every morning: rifling through the sparse pantry then searching the mansion for more information.

Even amongst savages there are few communities, and those but sparsewhich subsist entirely upon what is directly provided by nature. All of these were originally salt-steppes, and, where the soil is still highly impregnated with salt, have only a sparse covering of shrubs, mostly members of the Salsolaceae, with thick, greyish green, often downy leaves. All over the Veluwe are heaths, scantily cultivated, with fields of rye and buckwheat, cattle of inferior quality, and sheep, and a sparse population.

The population is sparsefrequently nomadic and addicted to plunder; progress in the arts and habits of civilization is small. Sparse scrub timber, of little value except for posts, poles and rough beams and for fuel, occupies the region westward to approximately the longitude of the Pease river. It will be seen that the population is sparseless than 62 persons per square mile. It was originally intended that this should eventually be extended across the territory to Cowie Harbour Sabuko Bay on the east coast, but the extraordinary engineering difficulties which oppose themselves to such an extension, the sparse population of the territory, and the failure of the existing line to justify the expectations entertained by its designers, combine to render the prosecution of any such project highly improbable.

The results are as interesting from a morphological point of view showing the subtle and gradual modifications of these organs in their various adaptationsas they are sparse in taxonomic value, far less satisfactory than are those of the hind-limb. The beard is sparseand, with the exception of the moustache, which is sometimes worn, especially in central Tibet, it is plucked out with tweezers.

Sparse Representations in Signal and Image Processing: Fundamentals

The postal service is unavoidably limited and defective, owing to the rugged character of the country, its sparse population, and the large percentage of illiterates. The population 35, on the shores of the lake is sparseand the towns - Schlusselburg inhabitants in ; New Ladoga ; Kexholm and Serdobol - are small.

Cumberland was originally a part of Rehoboth, and then of Attleborough, Massachusetts, and for many years was called, like other sparse settlements, the Gore or Attleborough Gore. But the pure Laos are still distinguished by the high cheek-bones, small flat nose, oblique eyes, wide mouth, black lank hair, sparse beard, and yellow complexion of the Thai and other branches of the Mongol family.

Every one recognizes now that the poverty and sparse population of Sweden unfitted her for such a tremendous destiny.

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Petaline hairs, though sparse and scattered, present occasionally the same arrangement as those which occur on the leaves; thus, in Bombaceae they are stellate. Drente took part in the revolt of the Netherlands, and being a district covered by waste heath and moor was, on account of its poverty and sparse population, not admitted into the union as a separate province, and it had no voice in the assembly of the states-general.

Radially placed gaps in the tissue at first erroneously interpreted as medullary rays, but subsequently more aptly compared to the air-spaces of large Algae contain very sparse hyphae, which here branch more freely than elsewhere.

sparse thoughts (on the foundations of a

As waterways all the rivers labour under the drawbacks of rapids, mud-banks at their mouths, banks overgrown with forest, sparse population, and currents liable to serious variations due to irregularity of supply from the mountains and sudden rainfalls. As for the eye-lashes, not only are they comparatively short and sparsebut also they converge instead of diverging, so that whereas in a European the free ends of the lashes are further distant from each other than their roots, in a Japanese they are nearer together.

Physically the Finns here to be distinguished from the Swedish-speaking population, who retain their Scandinavian qualities are a strong, hardy race, of low stature, with almost round head, low forehead, flat features, prominent cheek bones, eyes mostly grey and oblique inclining inwardsshort and flat nose, protruding mouth, thick lips, neck very full and strong, so that the occiput seems flat and almost in a straight line with the nape; beard weak and sparsehair no doubt originally black, but, owing to mixture with other races, now brown, red and even fair; complexion also somewhat brown.

CAPYBARA, or Carpincho Hydrochaerus capybarathe largest living rodent mammal, characterized by its moderately long limbs, partially-webbed toes, of which there are four in front and three behind, hoof-like nails, sparse hair, short ears, cleft upper lip and the absence of a tail. Owing to the sparse population and difficulties of communication in a great part of the dominion, the inquiry, though referred to a single date, is not completed on that day, a month being allowed to the enumerator for the collection of his returns and their revision and transmission to the central office.

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Although it has wool and top hair, the latter is so sparse and fine that the coat may be considered as one of close even wool.The Foundations were a British soul band, active from to The group was the first multi-racial group to have a number one hit in the UK in the s. The Foundations were one of the few British acts to successfully imitate what became known as the Motown Sound.

Foundation Quotes

The Foundations drew much interest and intrigue due to the size and structure of the group. Not only was there a diverse ethnic mix in the group, but there was also diversity in ages and musical backgrounds.

sparse thoughts (on the foundations of a

The oldest member of the group was Mike Elliott, who was 38 years old. The youngest was Tim Harriswho, at 18, was barely out of school. They were all highly experienced musicians who came from professional jazz and rock-and-roll backgrounds. Pat Burke, a professional musician, was from the London Music Conservatorium. Eric Allandale had led his own band at one stage as well as having played with Edmundo Ros and was a former member of the Terry Lightfoot [4] and Alex Welsh bands.

Alan Warner was the guitarist. Bassist Peter Macbeth was a former teacher. Tony Gomez, the keyboard player, was a former clerk, while Clem Curtis had been an interior decorator and professional boxer. There is some disagreement as to who was responsible for choosing the band's name, and various sources give slightly different accounts of their beginnings.

When Raymond was imprisoned for six months, a friend of the band suggested future Psychedelic shock rocker Arthur Brown.

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The Foundations came together in BayswaterLondon, in January They practised and played in a basement club called the Butterfly Club, which they ran. They would get to bed around 6 or 7 a. Sometimes they barely made enough money to pay the rent, let alone feed themselves. At times, they lived off the leftovers and a couple of pounds of rice.

The biography on AllMusic stated that Barry Class was the first to discover them, [1] although others claim it was Ron Fairway [10]. When they were at the top spot with "Baby, Now That I've Found You", Fairway commented to Melody Maker that most management would pull them out of the "bargain priced dates" that were booked for some time. He expressed gratitude to everyone for their support, and said that they would fulfill every engagement for which they had signed.

Not long after "Baby, Now That I've Found You" became a hit, rock historian Roger Dopson describes what followed as a "behind the scenes struggle", [3] where Fairway was "pushed out" and his partner, Barry Class, remained as sole manager of the group. Fairway later attempted to sue the band, alleging that he was wrongfully dismissed, though the band said that he had resigned of his own accord. The band was playing so loud he could not judge how good they were, but he decided to give them a chance.

He decided his hangover was to blame, and so he gave them the benefit of the doubt. At first, they found progress quite slow, and one of their sax players, Pat Burke, had to drop out of the band and take another job while they went through a rough patch.


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