However, if A is a string scalar, numel returns 1 because it is a single element of a string array. For example, compare the output of numel for a character vector and string: nchar = numel('mytext') nchar = 6 nstr = numel("mytext") nstr = 1 ...
Apply function to each element of array collapse all in page Syntax B = arrayfun(func,A) B = arrayfun(func,A1,...,An) B = arrayfun(___,Name,Value) [B1,...,Bm] = arrayfun(___) Description B= arrayfun(func,A)applies the functionfuncto the elements ofA, one element at a time....
% The possible values for FMT are contained in the file format% registry, which is accessed via the IMFORMATS command.%% If FILENAME is a TIFF, HDF, ICO, GIF, or CUR file containing more% than one image, INFO is a structure array with one element for...
C = bsxfun(fun,A,B) appliesthe element-by-element binary operation specified by the functionhandlefun to arrays A and B,with singleton expansion enabled.fun can be oneof the following built-in functions: @plus Plus @minus Minus @times Array multiply @rdivide Right array divide @ldivide Left...
An RGB triplet is a three-element row vector whose elements specify the intensities of the red, green, and blue components of the color. The intensities must be in the range [0,1], for example, [0.4 0.6 0.7]. A hexadecimal color code is a string scalar or character vector that start...
Compare each element in two cell arrays of character vectors. s1 = {'Time','flies','when';'you''re','having','fun.'}; s2 = {'Time','drags','when';'you''re','anxiously','waiting.'}; tf = strcmp(s1,s2) tf =2x3 logical array1 0 1 1 0 0 ...
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调整不与数据有关的图的元素的函数。theme函数采用了四个简单地函数来调整所有的主题特征:element_text调整字体,element_line调整主题内的所有线,element_rect调整所有的块,element_blank清空。theme(panel.grid =element_blank()) ## 删去网格线 ggplot2包需要一种较长的数据格式,我们可以用重塑的安装包创建这个数据...
temp2=a:-2:0;%auxiliry polynomial powersRA(i-1,1:b)=temp1.*temp2;%derivative of auxiliaryelseif(RA(i-1,1)==0),%first elementinrowiszerofprintf('\nSpecial Case: First element is zero.\n');RA(i-1,1)=epsilon;%replace by epsilon ...
P - a char or cell array of filenames V - a structure array containing image volume information The elements of the structures are: V.fname - the filename of the image. V.dim - the x, y and z dimensions of the volume V.dt - A 1x2 array. First element is datatype (see spm...