This Chancy, Chancy, Chancy World – Rastrigin

In this post we will see This Chancy, Chancy, Chancy World By Leonard Rastrigin.

This chancy chancy world

Have you ever sat down and thought about how often chance affects your life? If you have, then you probably realize that chance literally hits us from every side. We live in a world more vulnerable to the vicissitudes of chance than the wildest imagination could devise.Chance abounds in an endless variety of forms. Some darken our existence, confound our plans and prevent us from realizing our most cherished ambitions. Others do not affect us, while others still illuminate our lives with all the colours of the rainbow and bring happiness and success (eureka!).

But is it really worth talking about chance? What is there to say about it? Chance is chancy, and that’s that.
In fact there is a great deal we can say about chance and there is even more we can ask about it. For example: how does chaos arise? What is control? How should we act in circumstances involving chance? How can we come to terms with the difficulties that arise from chance obstacles in our lives? What is the Monte Carlo method? Why is learning necessary? What role does chance play in evolution and progress? How is it that our chancy, chancy, chancy world gets along quite well? Is it possible to make it better still? Answers to these and many other questions will be found in this book.

About the Author
LEONARD RASTRIGIN graduated in aircraft design from the Moscow Aeronautical Institute and, in 1960, presented his Ph.D. thesis on mechanics. He then made a 179-degree turn and ‘retreated’ into cybernetics, where he studied random search a new technique for finding optimum solutions to complex problems. Cybernetics brings him both joy and sorrow. His work in this field has gained him his doctorate and a professorship, and he is now Director of the only random search laboratory in the world. Here his task is to vindicate the claims of random search and to demonstrate its advantages in practical applications. Professor Rastrigin is a very busy man. Yet no sooner does he have a day off duty than he reaches for his pen. In the space of a few years he has written two monographs and over a hundred scientific articles. This Chancy, Chancy, Chancy World is his first book devoted to acquainting the general reader with his special field of study.

The book was translated from the Russian by R. H. M. Woodhouse and was first published by Mir Publishers in 1973, with a second reprint in1984. The present version is the 1984 one.

Many thanks to gnv64 for this book. And thanks to Biju for making this post.

PDF | Paginated | Bookmarked | 287 pages | 9.36 mb

Update 2 July 2018: Added The Internet Archive Link.

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What is chance?    10



1. Change at the cradle of cybernetics    34
2. Control    38
3. The history of control stage one    60
4. The battle with chance interface    82
5. Alternatives risk and decision    126


1. Sherlock holmes speak his mind at last    152
2. The monte carlo method    158
3. Chance in games.    176
4. Learning conditioned relexes and chance    184
5. Chance and recongnition    206
6. Chance selection and evolution    230
7. Self-adjustment    248
8. Seabch(path and wanderings)    266

Conclusion    284

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7 Responses to This Chancy, Chancy, Chancy World – Rastrigin

  1. Alexander says:

    By the way, I don’t know if you are aware of this book, and just thought of bringing it to your attention:

    Sidorov, Yu. V. ; Edoryuk, M. V. ; Shabunin, M. I.
    Lectures on the Theory of Functions of a Complex Variable / Translated by Eugene Yankovsky.
    Mir Publisher Moscow, 1985.

    Thank you for all your hard work, wish you long life, love and happiness.


    • P.K. Fysal Usman says:

      I am eager to know about a devise claimed to be capable of producing hitherto unknown ideas from chance alone described in the book This Chancy, Chancy, Chancy World. Let me reproduce it here: –

      “….The idea of random search that Ashby derived from his observations of nature is of enormous theoretical and practical significance. Ashby’s study of the role of chance in nature gave him the remarkable idea of exploiting the boundless riches of chance. What, indeed, could be simpler than a random generator? ‘Noise’ constitutes an inexhaustible source of chance, a source that is easy to tap and costs virtually nothing. Consequently, we have the raw material available in abundance. But what can we make out of this material? The answer is: a great deal, if not everything.

      “A chance combination of letters may result not only in any known word, but also in words previously unknown, words that would possibly never have been thought of otherwise. A chance combination of words may form any sentence, that is, any finished thought that has already been expressed by men or that still awaits expression by our descendants. A chance combination of sentences may result in any work of art, or a description of any scientific investigation, or a report of any discovery made by man or still waiting to be made in the future. In general, chance conceals within itself limitless possibilities.

      “By combining letters, words and phrases at random we can extract new data, new results, and new thoughts. In short, we can create new information out of the raw material of chance……….” (quoted from page No. 243 of “This Chancy, Chancy, Chancy World – by L. Rastrigin, Translated from the Russian by R.H.M. Woodhouse, Revised from the 1969 Russian edition – Mir Publishers, Moscow, first published 1973. )

      Do you know anything about this? The book was written in 1969. If the claim was true, it should be able to produce at least a small book within the past 46 years. Has any such thing happened these years? What was the fate of this devise?


  2. Satadal Mukhopadhyay says:

    The other two are 1. Higher Mathematics by V. S. Shipachev and 2. Vector Analysis by M. L. Krashnov to mention.
    Please upload if possible.Thank you all from the bottom of my heart.


  3. karan says:

    mirtitles password not working


  4. karan says:

    its not working for harnessing the sun


  5. None of the links works… such a pity…


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