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fliplr6 t5 c, T) s- r0 Q
Flip array left to right
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Syntax' A& p9 u5 l9 _9 J! t/ V( h' K L
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B = fliplr(A)9 L) f- F' \5 C8 Z; M
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Description0 R3 |+ T' F( e* h/ J6 y9 n0 p
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B = fliplr(A) returns A with its columns flipped in the left-right direction (that is, about a vertical axis).3 Z# Z# e# u% I: W- X3 T$ R7 b3 v
" T; p: S* M* I& s% X7 \B = fliplr (a) 返回 A, 其列在左右方向 (即关于垂直轴) 反转。, \4 \9 N' h4 \" v+ H7 A
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If A is a row vector, then fliplr(A) returns a vector of the same length with the order of its elements reversed. If A is a column vector, then fliplr(A)simply returns A. For multidimensional arrays, fliplr operates on the planes formed by the first and second dimensions./ a/ W+ s% V* ]
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如果 a 是行向量, 则 fliplr (a) 返回与其元素的顺序反转的相同长度的向量。如果 a 是列向量, 则 fliplr (a) 只是返回 a。对于多维数组, fliplr 在由第一个和第二个维度形成的平面上运行。
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Flip Row Vector
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$ m/ V% c% o9 [5 x$ Q D. oCreate a row vector.
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# ^+ x$ s0 o4 X$ M% {A = 1:104 }+ Z/ w; P1 n6 n( G! f% g$ }
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A = 1×10
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1 2 3 4 5 6 7 8 9 10
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Use fliplr to flip the elements of A in the horizontal direction.' ~/ a! w7 ?8 ]/ w; g# P7 x; @
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B = fliplr(A)! [) M/ Q$ A" t! f
: B0 E; \8 x0 p# ^B = 1×106 o+ B v( i, d9 C
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The order of the elements in B is reversed compared to A.- l3 z, r: O) h v
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0 H! z2 f) j/ d& N7 W6 k9 VFlip Cell Array of Characters
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; J5 x+ m0 N8 i9 B* r/ g' ZCreate a 3-by-3 cell array of characters.0 J) b) N o! L1 C- D- h
' n8 a# Z7 y6 S5 M4 V5 [A = {'a' 'b' 'c'; 'd' 'e' 'f'; 'g' 'h' 'i'}& ?& U( @: G, W/ }) o, m
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A = 3x3 cell array
4 W! T. H4 c8 s/ m2 b5 C' b {'a'} {'b'} {'c'}( _) H: E0 a4 o0 M
{'d'} {'e'} {'f'}$ }7 L' Q0 U8 P r( y) N; b0 L
{'g'} {'h'} {'i'}
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: O. h; P8 p* [8 m+ \' ~Change the order of the columns in the horizontal direction by using fliplr./ K6 n% C; g7 e! G# `% @
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B = fliplr(A)2 g$ w& J3 d0 y6 G2 H1 y
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B = 3x3 cell array
, \- o2 G3 @* K! n4 [! `0 o# k {'c'} {'b'} {'a'}$ o Y7 j5 C( x( h
{'f'} {'e'} {'d'}0 Z3 B a! W7 J- Y4 X
{'i'} {'h'} {'g'}6 C- d* N- y) [ c' j& Q
7 ^9 a( o% O- r- {The order of the first and third columns of A is switched in B, while the second column remains unchanged.
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+ {5 z0 k" l8 l' lFlip Multidimensional Array+ l) I) T- U( I: z. v P( g2 y9 k
1 b; ` i; N, O5 i& X. y0 FCreate a multidimensional array.1 B5 q% i+ Q2 d9 }
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A = cat(3, [1 2; 3 4], [5 6; 7 8]) _ s" o' a% v% T" L
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A = . f+ `" j( R; l: b i1 V7 d" ?
A(:,:,1) =
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A(:,:,2) =% S G' Z: _! D2 }, C7 y! V% `4 d
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+ g/ s% R, |: L- }A is an array of size 2-by-2-by-2.
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Flip the elements on each page of A in the horizontal direction.9 [4 i0 [# B! Z& \% c
) _. B8 y% G) D( SB = fliplr(A)
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B = 4 E; {' u/ l) }/ s3 B$ n0 E$ H/ Q
B(:,:,1) =
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4 I4 [6 m" A/ z" }B(:,:,2) = c- f2 r; q/ _) d4 J# }# J
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, X5 t8 I; b; a; r4 o" o6 w' J2 Z结果 B 与 A 的大小相同, 但元素的水平顺序被翻转。操作会单独翻转每个页面上的元素。
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发表于 2020-1-8 10:10
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