converting MJD in UT1 to calender date
Convert 2017 January 00:00:00.5912977 to year,month,day,hour,,,,,,seconds, as requested: dt = datetime('2017 January 00:00:00.5...

8 días ago | 0

How I convert matrix 8760x1 to 365x24
M = 1:8760; % some 8760x1 matrix M_new = reshape(M,365,[]) % reshape to 365x24

8 días ago | 0

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How to make a colour gradient with 60 lines on a graph
You can set the ColorOrder property of the axes to control the colors of the plotted lines, without having to specify each line'...

8 días ago | 1

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Incorrect dimensions for raising a matrix to a power
Check that your inputs to gaussh are all scalars, because it looks like all three input arguments to the function gaussh are exp...

8 días ago | 0

How to find repeated values after decimal in array?
data = [ ... 868.1 567.1 413.1 1159.7 52.1 99.7 126.7 111.1 167.2 1322.2 ...

8 días ago | 0

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Writting multiple files with fopen 'w'
Here's a function (get_unused_file_name) you can use for this purpose. It takes a file name and check if that file already exist...

8 días ago | 0

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I don't understand the condition from FOR row 16 to row 26. Can explain each row form if row to the end please.
Lines 16 through 26: for i=1:rows fprintf('('); for j=1:columns if j < columns fprintf("%.4f , ...

8 días ago | 1

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round to 2 decimal places but still have more than 2 decimal places when storing
"the stored value not storing 2 decimal places." If you mean the value written to file has more than 2 decimal places, that's b...

8 días ago | 1

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Find min and max datetime in table
T = table( ... [2;2;3;3], ... datetime({'05/20/22';'05/20/23';'04/12/99';'06/12/02'},'InputFormat','MM/dd/yy'), ... ...

9 días ago | 0

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sort the matrix by the order of the first row
A = [ ... 3 5 4 1 2 0.2 0.5 0.7 0.1 0.9 0.7 0.9 0.4 0.3 ...

9 días ago | 0

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ismember to filtered table
That's doing ismember with the names of the files. [a,b]=ismember('meta_data_mri.MRID','MRIdata.subjects') [a,b]=ismember('abb...

9 días ago | 0

Can someone run this function and give the results as I have 2017 version and I believe there are some functions that work in latest versions
It appears to run ok in R2017b. I guess that means you have R2017a. Here's the result: openfig('untitled.fig'); If I had to g...

9 días ago | 0

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Deleting rows with an if Statement
Here's a way to delete rows of a matrix if two conditions are both met: x = magic(7) % delete rows of x where the value in col...

9 días ago | 0

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How do I use readtable to read in an Excel file whose first column has indenting that I want to preserve?
opts = detectImportOptions('test.xlsx'); opts.VariableOptions(1).WhitespaceRule = 'preserve'; Ex_MassProps = readtable('test...

9 días ago | 1

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function with text string input and excel file
warning off all get_car_info('Cars.xlsx','x') get_car_info('Cars.xlsx','y') get_car_info('Cars.xlsx','z') function out = g...

9 días ago | 0

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How to set sample values to zero
Use x(x < threshold) = 0, where x is your signal and threshold is your noise amplitude. Or x(abs(x) < threshold) = 0, if you mea...

9 días ago | 0

Non working while loop
The last line inside the while loop: x0 = x1 sets x0 to x1. Therefore, when the while condition is checked again (which happe...

9 días ago | 1

why do i get "Array indices must be positive integers or logical values ?"
res_im = imresize(imgs{i}, 0.4); is before the i loop, so i is not defined, so MATLAB interprets that i as the imaginary un...

9 días ago | 0

Error using matlab.ui.control.internal.model.AbstractNumericComponent/set.Value (line 111) 'Value' must be a double scalar.
Try it without converting to string app.EditField.Value = Re; because if app.EditField is a NumericEditField, its Value is a n...

9 días ago | 0

Convert digital numbers to datetime elements
If you make a datetime array from t2, you can use interp1 to interpolate. (Also, t1 has 1057 elements, so I'll remove the last ...

9 días ago | 1

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Find the corresponding value of y when x is a specific value?
Maybe this % a 3D array like yours M = [(230:598).' rand(369,1)]+reshape(0:5:130,[1 1 27]); size(M) % find the row of M(:,1,...

9 días ago | 1

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Why does the variable 'ans' cannot be change when setting a domain? For example: I wanted to change the variable 'ans' to 'xofZ' but it keep saying it failed.
If you want to modify the value of xofZ, e.g., by having it retain only the real solutions, you must assign to xofZ. When the v...

10 días ago | 0

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how do I flip ever column in a matrix without using the fliplr function?
n = randi([4,15]); n_mat = randi ( [1,100], n, n) n_mat_flipped = n_mat(:,end:-1:1)

10 días ago | 0

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how to save plots in a folder. named as figure1,Figure2,Figure3,Figure4?
files = dir('*.txt'); files = fullfile({files.folder},{files.name}); for ii = 1:numel(files) a=readmatrix(files{i...

10 días ago | 0

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Use for loop to compare each row value out of two separate arrays to create a filtered final array
Inside the for loop, use RollValue(i) and PitchValue(i) instead of RollValue and PitchValue, and also you'll need to assign to A...

10 días ago | 1

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Function 'subsindex' is not defined for values of class 'cell'
What's wrong is that TIP1 is a cell array, and you can't use a cell array as an index, as in here you are attempting to access t...

10 días ago | 0

Deleting CreateFcn in GUI
There is an option in GUIDE (in the Tools menu > GUI Options ...) called "Generate callback function prototypes", which is selec...

10 días ago | 0