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TADA


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Hebrew University of Jerusalem

204 total contributions since 2018

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Answered
How to create an empty array to be filled?
Ma is a 0x0 empty vector: Ma = [] Ma = [] You can't multiply your 1x100 vector A by that using element by e...

15 dagar ago | 0

Answered
how to load a function in AppDesigner?
Seems to me that the warning is warning you against loading data into the workspace without controlling the variable names. Try...

15 dagar ago | 0

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Answered
split a 2d matrix and create new 3d matrix from the results of the 2d matrix
If I got it right Matrix_T_A = repmat(reshape(T_A', 1, size(x, 2), size(x,1)), 24, 1, 1)

28 dagar ago | 0

Answered
Plotting random points on a circle
Assuming you mean inside the circle and not on that circle, because then obviously the distance is 500 Anyway, it is much easie...

28 dagar ago | 0

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Answered
Find a word in a file then pick the value next to it
You've got the right idea. Regular expressions can be confusing at times I tested the regexp, the rest of the code is not teste...

28 dagar ago | 1

Answered
Custom Object property save/load problem
It seems to me that you are saving a 3 column table to the .mat file, then when you load it again, it uses the property to set i...

ungefär 2 månader ago | 0

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Answered
How can read 30 text data files in matlab ?
you can alwsay put all of them in a single directory, then use dir to get all file names and iterate through all of them: path ...

3 månader ago | 0

Answered
How to add a sequential number in a column of tables cell?
for i = 1:numel(Test) t = Test{i}; t.gridded_model = strcat(t.gridded_model, '_', num2str(i)); Test{i} = t; end

4 månader ago | 1

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Answered
Text file has headers that are 2X4 and are repeated randomly within the data.
str = fileread('MCT_Data.txt'); nums = cellfun(@str2double, regexp(str, '([\d.,]+)', 'match')); x = reshape(nums, 4, [])' x...

4 månader ago | 0

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Answered
Converting all arrays inside a cell to tables
c = repmat({(1:10)'}, 3,3) c = 3×3 cell array Columns 1 through 2 {10×1 double} {10×1 double} {1...

4 månader ago | 1

Answered
Error with find function in a for loop
Find accepts a logical vector and returns all the indices containing 1. The problem is you are giving find a scalar value so...

4 månader ago | 1

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Answered
How to plot colorbar as seperate image?
I assume your image is grayscale, right? If I understand you correctly: min_val=min(example_img(:)); max_val=max(example_img...

4 månader ago | 1

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Answered
How to return no output in a function with output?
output variables, the same as input variables, are optional You can choose to return one, both or neither of your outputs. In ...

5 månader ago | 0

Answered
Can I run MATLAB code on a server?
I think this may be what you are looking for https://www.mathworks.com/help/compiler/webapps/install-matlab-web-app-server.html...

5 månader ago | 0

Answered
app designer private and public properties?
If these functions are methods of your app, you can use private properties from within these methods, but if they are functions ...

5 månader ago | 0

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Answered
Group cells in a matrix per column based on an indexed starting point
you can map the ends of each series of ones using diff: C = [diff(B, 1, 1) == -1; B(end, :)]; then check each occurence of C ...

5 månader ago | 0

Answered
Best practice for updating default parameter values inside a function, preferably with struct
Using assignin as your configuration strategy is a bad idea not only due to bad performance. It's also very prone to bugs. lets ...

5 månader ago | 1

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Answered
Cross tabulation row percentages
How about something like that? t{:,{'sale1','sale2'}} = t{:,{'sale1','sale2'}}./t.totalsales * 100 Given that t is your ...

5 månader ago | 0

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Answered
Help me about my error on index in position 2 exceeds array bounds (must not exceed 800).
I have no idea what rm and cm are, but at some iteration y=(j-1)*8 + 8 is greater than the number of columns in your matrix u...

5 månader ago | 0

Answered
How do I determine which row my value change significantly
Im assuming its roughly 375 and not exactly that value, otherwise go with Turlough Hughes' solution which is simpler. The eas...

6 månader ago | 0

Answered
How to plot a function with different values
You can make M a column vector, then calculate S as a matrix then if you plot it against t which is a row vector plot should tr...

6 månader ago | 1

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Answered
How to extract a value out of different .mat files and save them into an array
s = load('my_file_5.mat'); will return a struct, each variable in the file will be put in a field in that struct if all files ...

6 månader ago | 0

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Answered
Mean of the third dimension
try this: avgPerYear = nanmean(rain, [1,2]); that would generate an inconvenient 3rd dimention vector so you can reshape it i...

7 månader ago | 1

Answered
how to find out how many columns have more than 50 elements which are greater than 1?
x = rand(100) * 2; atLeast50 = sum(x > 1, 1) > 50;

8 månader ago | 0

Answered
Array indices must be positive integers or logical values.
in Matlab, matrix indices start from one, not zero like other programming languages, but your index starts from zero: colum-dtn...

9 månader ago | 0

Answered
Is there a faster way of splitting a cell array into numeric array while preserving NaN?
try this endsWithSemicolon = cellfun(@(s) endsWith(s, ';'), data); x = cellfun(@(s) textscan(s, '%f', 'Delimiter', ';', 'Empty...

9 månader ago | 2

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Answered
A question on regexprep
A is not a match for your regexp, match = regexp(s,'\<(\w)(\w*)(\w)\>', 'match') match = 1×5 cell array {'John'...

10 månader ago | 0

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Answered
What exactly is a StartPoint for a Curve Fitting Tool, its significance and how it works?
curve fitting works by trying to find the parameters of your model, lets say you are trying to fit a gaussian to a single peak c...

10 månader ago | 1

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Answered
how do I allow user to choose a folder to run the rest of the functions?
<https://www.mathworks.com/help/matlab/ref/uigetdir.html uigetdir>

10 månader ago | 0

Answered
Create array of “deep” struct (scalar) fields
As always, you can use a small utility function to drill down the object hierarchy It's probably not the most elegant solution ...

10 månader ago | 1

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