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Nesting of tiledlayout objects not possible in R2019b?
Nesting TiledChartLayout objects was introduced after your version, in R2020a: https://www.mathworks.com/help/matlab/release-no...

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Summing a 30x30x30 matrix.
a = reshape(1:30*30*30,30,30,30) b = reshape(sum(reshape(a,10,3,10,3,10,3),[1,3,5]),3,3,3) sum(a(1:10,1:10,1:10),'all') % for ...

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f(x)=x²+2.000 syntax code
f = @(x) x.^2 + 2; fplot(f)

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Plotting 'HH:MM' format times against the X axis
"taking my times (zero to 23:50 in ten minute incriments) and converting to decimal then 'HH:MM' format" Do not convert to "dec...

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How to process excel data with Chinese dates
"How to process excel data with Chinese dates" It is a CSV file (i.e. text), not a proprietary Excel file. fnm = '日期.csv'; ty...

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Return largest number of decimal places in a vector of numbers
x = [0.123456789,0.1,0.12,0.123]; n = strlength(compose("%.15g",rem(abs(x),1)))-2

plus de 2 ans il y a | 1

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Mix two different size arrays
A = rand(1,3) B = rand(1,7) N = min(numel(A),numel(B)); C = [reshape([A(1:N);B(1:N)],1,[]),A(N+1:end),B(N+1:end)]

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Split increasing vector into n unqueal parts based on multiples of n
S = load('Denc.mat'); D = S.Denc B = 0:2300:2300+max(D) X = discretize(D,B); C = accumarray(X,D,[],@(a){a})

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How to take a value between two values
d = [11,15,21]; X = [10.2,13.5,20,22.4]; Y = [1.6,1.8,2,Inf]; Z = interp1(X,Y,d, 'previous')

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How to change the default color order for all figures?
M = rand(5,7); plot(M) newcolors = [0.83,0.14,0.14; 1,0.54,0; 0.47,0.25,0.8; 0.25,0.8,0.54]; set(groot, "defaultaxescolororde...

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how to assign rank to each row?
A = [1,4;1,4;4,1;4,1;2,2;2,3;2,3;3,2;3,3] B = cumsum([1;any(diff(A,1,1),2)])

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Which character conversion notation do I have to use?
T = readtable('ct4004355_si_003.txt', 'Delimiter','\t', 'TextType','string')

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Keep matrix structure after indexing
out = nan(size(temp)); out(A) = temp(A); Or out = temp; out(~A) = NaN;

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Error replacing content of timetable with cell array
Note that storing lots of scalar string arrays inside a cell array is inefficient and misses out on the benefits of using string...

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Defining boundaries of a curve
S = load('HistogramData.mat') P = 8e-4; % prominence D1 = diff([false;S.Dat1(:,2)>P;false]); D2 = diff([false;S.Dat2(:,2)>P;f...

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BSXFUN Non-singleton dimensions of the two input arrays must match each other
"That should be multiplied by the first row of SV:" I am guessing that you want to repeat SV so that it has as many rows as NED...

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Loading file and storing variable name as double in .mlx file
To write robust code you should always LOAD into an output variable. Doing so also makes your task easier: C = struct2cell(load...

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Transform double to char with one or two decimal places
You could use another format, e.g.: fprintf('%.3g\n',[3.15,3.7])

plus de 2 ans il y a | 1

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Argument validation for cell arrays?
"that the argument must be a cell array of three-vectors." You can easily write your own argument validation function: https:/...

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extract all rows of a matrix except 'r' (vector) rows
The most efficient approach: matrix = [54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65]; r = [1; 2; 3; 4; 9]; matrix_out = mat...

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Averaging a curve with itself
S = load('test.mat'); Xraw = S.cx; Yraw = S.c; [Xmin,Imin] = min(Xraw); [Xmax,Imax] = max(Xraw); I1 = Imin:Imax; I2 = [I...

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Operation with logical data. Which is better?
n = 5; a = [1,9,0,2,3]; b = a<n & a

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Can I create cells inside cells in for loop?
Brute force naive approach: P = perms(1:9) C = {1:3,4:6,7:9}; B = true; for k = 1:numel(C) V = C{k}; [X,~] = find(...

plus de 2 ans il y a | 0

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Writing functions f(x,y)
fh1 = @(x,y) 4*(x-1).^2 + 3*(y-2).^2 + 2*(x-2).^2.*(y-3).^2; fh2 = @(v) fh1(v(1),v(2)); % function with one input sol = fminse...

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I would like to merge two different column in one as datetime
% Fake data: A = ones(5,1) B = {'0:00';'0:05';'0:10';'0:15';'0:20'} % Convert to DURATION: M = str2double(split(B,':')); D ...

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How to solve error "access denied" when using mkdir?
Explanation: The basic problem is that you are calling MKDIR using command syntax (not function syntax), but are expecting to p...

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Faster indexing from Matfiles with similar names
"What I meant when I said I had 5 matfiles called m1 to m5 is that m1 - m5 were matfile-type variables obtained by calling the m...

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Common Elements in Two 2D Arrays
A = [1,2,3,4,5,6; 3,1,2,4,5,7] B = [1,1,3,5,6,7; 3,1,2,4,5,7] Method one: ALL and indexing: X = all(A==B,1); C = A(:,X) Met...

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In what situations do we need to use the `empty` method? What benefits does the `empty` method provide?
"In what situations do we need to use the `empty` method?" Whenever you want to create an empty array of a certain class. Certa...

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Reading file names from a certain directory into a cell array to compare it with a different cell array
"I know how to do the comparisson just not how to get the filesnames from the directory" Use DIR: https://www.mathworks.com/he...

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