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ClickHouse/docs/ru/functions/math_functions.rst

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Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Математические функции
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
----------------------
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Все функции возвращают число типа Float64. Точность результата близка к максимально возможной, но результат может не совпадать с наиболее близким к соответствующему вещественному числу машинно представимым числом.
e()
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает ноль аргументов, возвращает число типа Float64, близкое к числу e.
pi()
~~~~
Принимает ноль аргументов, возвращает число типа Float64, близкое к числу π.
exp(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к экспоненте от аргумента.
log(x)
~~~~~~
Принимает числовой аргумент, возвращает число типа Float64, близкое к натуральному логарифму от аргумента.
exp2(x)
~~~~~~~
Принимает числовой аргумент, возвращает число типа Float64, близкое к 2x.
log2(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к двоичному логарифму от аргумента.
exp10(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к 10x.
log10(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к десятичному логарифму от аргумента.
sqrt(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к квадратному корню от аргумента.
cbrt(x)
~~~~~~~
Принимает числовой аргумент, возвращает число типа Float64, близкое к кубическому корню от аргумента.
erf(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Если x неотрицательно, то erf(x / σ√2) - вероятность того, что случайная величина, имеющая нормальное распределение со среднеквадратичным отклонением σ, принимает значение, отстоящее от мат. ожидания больше чем на x.
Пример (правило трёх сигм):
.. code-block:: sql
SELECT erf(3 / sqrt(2))
CLICKHOUSE-2720: progress on website (#865) * update presentations * CLICKHOUSE-2936: redirect from clickhouse.yandex.ru and clickhouse.yandex.com * update submodule * lost files * CLICKHOUSE-2981: prefer sphinx docs over original reference * CLICKHOUSE-2981: docs styles more similar to main website + add flags to switch language links * update presentations * Less confusing directory structure (docs -> doc/reference/) * Minify sphinx docs too * Website release script: fail fast + pass docker hash on deploy * Do not underline links in docs * shorter * cleanup docker images * tune nginx config * CLICKHOUSE-3043: get rid of habrastorage links * Lost translation * CLICKHOUSE-2936: temporary client-side redirect * behaves weird in test * put redirect back * CLICKHOUSE-3047: copy docs txts to public too * move to proper file * remove old pages to avoid confusion * Remove reference redirect warning for now * Refresh README.md * Yellow buttons in docs * Use svg flags instead of unicode ones in docs * fix test website instance * Put flags to separate files * wrong flag * Copy Yandex.Metrica introduction from main page to docs * Yet another home page structure change, couple new blocks (CLICKHOUSE-3045) * Update Contacts section * CLICKHOUSE-2849: more detailed legal information * CLICKHOUSE-2978 preparation - split by files * More changes in Contacts block * Tune texts on index page * update presentations * One more benchmark * Add usage sections to index page, adapted from slides * Get the roadmap started, based on slides from last ClickHouse Meetup * CLICKHOUSE-2977: some rendering tuning * Get rid of excessive section in the end of getting started * Make headers linkable * CLICKHOUSE-2981: links to editing reference - https://github.com/yandex/ClickHouse/issues/849 * CLICKHOUSE-2981: fix mobile styles in docs * Ban crawling of duplicating docs * Open some external links in new tab * Ban old docs too * Lots of trivial fixes in english docs * Lots of trivial fixes in russian docs * Remove getting started copies in markdown * Add Yandex.Webmaster * Fix some sphinx warnings * More warnings fixed in english docs * More sphinx warnings fixed * Add code-block:: text * More code-block:: text * These headers look not that well * Better switch between documentation languages * merge use_case.rst into ya_metrika_task.rst * Edit the agg_functions.rst texts * Add lost empty lines
2017-06-13 04:15:47 +00:00
.. code-block:: text
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
┌─erf(divide(3, sqrt(2)))─┐
│ 0.9973002039367398 │
└─────────────────────────┘
erfc(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Принимает числовой аргумент, возвращает число типа Float64, близкое к 1 - erf(x), но без потери точности для больших x.
lgamma(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Логарифм от гамма функции.
tgamma(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Гамма функция.
sin(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Синус.
cos(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Косинус.
tan(x)
~~~~~~
Тангенс.
asin(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Арксинус.
acos(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Арккосинус.
atan(x)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
Арктангенс.
pow(x, y)
Fixed some ERRORS and WARNINGS during RU docs build. (#772) * Initial commit if EN docs * Part of EN documentation * Full queries section * External data * Table engines * System tables * Table functions * Formats * Data types * Operators * Functions * Dictionaries * Settings * Configuration files * Access rights * Quotas * Fixed few formatting errors * Fixed few formatting errors * Fixed few formatting errors * FIX: "WARNING: Title underline too short." during build RU docs. * FIX: "WARNING: Title underline too short." during build RU docs.
2017-05-08 05:06:04 +00:00
~~~~~~~~~
Added documentation in RST format. (ReadTheDocs ready)
2017-03-12 17:58:51 +00:00
xy.
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