Answered
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...

2 years ago | 1

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Answered
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 ...

2 years ago | 0

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

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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

2 years ago | 1

Answered
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)]

2 years ago | 0

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Answered
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})

2 years ago | 0

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Answered
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')

2 years ago | 0

Answered
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...

2 years ago | 1

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Answered
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)])

2 years ago | 0

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

2 years ago | 0

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

2 years ago | 1

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Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 1

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Answered
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...

2 years ago | 0

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

2 years ago | 1

Answered
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:/...

2 years ago | 1

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Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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

2 years ago | 0

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Answered
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(...

2 years ago | 0

Answered
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...

2 years ago | 2

Answered
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 ...

2 years ago | 0

Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 1

Answered
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...

2 years ago | 1

Answered
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...

2 years ago | 1

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