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RRRR

RRRR may refer to: the reporting mark for the Rock and Rail LLC Raritan River Railroad the morse code for surface raider, used in conjunction with SOS

Synthetic division

{\begin{array}{cc}{\begin{array}{rrrr}\\\\\\\\b_{3}&b_{2}&b_{1}&b_{0}\\\\&&&&/b_{4}\\\end{array}}{\begin{array}{|rrrr|rrrr}&&&&q_{0}b_{3}&&&\\&&&q_{1}b_

Raritan River Railroad

the two bigger lines, the RRRR was locally managed from its headquarters on John Street in South Amboy. In the 1890s, the RRRR continued upgrading its track

Quaternion

{\begin{aligned}\left[{\begin{array}{rrrr}a&-b&-c&-d\\b&a&-d&c\\c&d&a&-b\\d&-c&b&a\end{array}}\right]&=a\left[{\begin{array}{rrrr}1&0&0&0\\0&1&0&0\\0&0&1&0\\0

Controlled NOT gate

0 0 1 0 0 ] {\displaystyle {\frac {1}{2}}{\begin{bmatrix}{\begin{array}{rrrr}1&1&1&1\\1&-1&1&-1\\1&1&-1&-1\\1&-1&-1&1\end{array}}\end{bmatrix}}

Black-bellied sandgrouse

Females are whiter below, but often inseparable. The call is a soft chowrrr rrrr-rrrr. This gregarious species breeds on dry open plains and similar habitats

Four-bar linkage

of revolute or prismatic joints: Four revolute joints: It is denoted as RRRR, constructed from four links connected by four revolute joints. The planar

Laplacian matrix

1 1 0 − 1 0 0 0 0 − 1 0 1 0 0 − 1 − 1 ) {\textstyle \left({\begin{array}{rrrr}1&1&1&0\\-1&0&0&0\\0&-1&0&1\\0&0&-1&-1\\\end{array}}\right)} ( 3 − 1 − 1

Hadamard transform

\1&-1\end{array}}\right)\\[5pt]H_{2}&={\frac {1}{2}}\left({\begin{array}{rrrr}1&1&1&1\\1&-1&1&-1\\1&1&-1&-1\\1&-1&-1&1\end{array}}\right)\\[5pt]H_{3}&={\frac

Rock & Rail

Rock and Rail (reporting mark RRRR) is a short line railroad operating in southern Colorado that is currently a subsidiary of Martin Marietta Materials

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rrrr

Astrological/horoscope meaning of rrrr. rrrr means: undefined

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rrrr

R: Meaning of R in the acronym rrrr means: Letter R sits comfortably on two legs that are a litlle spread apart. It displays great strength. It's close top to itself is uncaring, impetuous, and insensitive.