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Delete rows in a table where data in one column is below a value
> I want to delet all rows where the value of the data in the 4th columns is less than 0.1. T(T{:,4}<0.1,:) = [];

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Replace elements in array
I wouldn't call this an algorithm. It's just indexing. If something more robust is needed we'll need a more detailed descripti...

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How can I compare a datetime array with a timetable to delete all not existing days in it?
To match dates while ignoring time, use ismember() along with dateshift() to ignore time. Demo: TT is a timetable with dat...

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Conditionals in Matlab app.designer?
Avoid using "==" to test equaltify for non-numeric and non-scalar values. For strings / character arrays, use, if strcmp(ap...

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Extract the column/ row numbers or adress
> I would like to get the information on column numbers which got the value 1 For logical row vectors or numeric row vectors c...

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error converting chars to string
Assuming Samples is a cell array Samples{m} = convertCharsToStrings(regexprep(Name, '\s+', '')); % ^ ^ If Samples isn't...

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How do I use fitgmdist with a set of data that is not in a histogram format
You could fit the distribution to a tri-modal mixture of gaussians but very little data and a very narrow peaks (1-2 bars), you'...

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How can I create three different subplots of a patch model, with different camera views?
Create the first subplot using subplot or tiledLayout. Plot your patch object(s) and set up the subplot to its final appearance...

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Combine vectors of different length into a matrix and perform ANOVA.
The dimensions you provided indicate that the vectors are row vectors, not column vectors. If you're performing a 1-ways ANOVA...

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make the XTickLabel mouse sensitive in UIAxes
This demo uses a ButtonDownFcn function on the axes to detect when the left mouse button selects an x-tick label. The selection...

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How to print same input file name as the output file name
How are you getting the input file name in the first place? If it's stored as a variable, use that variable to name the output ...

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How to divide a signal into windows using loops
y=randi(100,1,11439); % Integers used for easy comparison n = 16; % must be even windowStart = [1, n/2+1:n/2:numel(y)]; ...

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if any command to check table values
Assuming Y is a matrix, if any(Y>Threshold,'all') Conditional statements expect to recieve a scalar value. Your syntax was ...

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How to plot wind vectors with quivers on a latitude/logitude plot
There are various types of map functions and it's not clear which one you're using. Here's a demo showing a quiver plot on a ma...

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how to set axis with different interval ?
Two methods below show log scale and categorical x axes. data = [ 3 10 5 11 7 09 10 1...

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Why do I hear nothing? sound function
According to the documentation, the sound data (first input to sound()) is an mx1 or mx2 matrix. Your sound data are 1x2001. So...

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Deformed plots and extra windows plotting in matlab app.designer
You need to specify the axis handle. https://www.mathworks.com/matlabcentral/answers/503412-how-to-create-gui-plot-using-the-u...

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How can I connect the points on my graph?
You need to store the values within the loop and then plot them after the loop. The changes will look something like this inco...

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How to calculate how many plot tick would exist if the axis completely filled the figure
Given an axis within a figure, compute what the x and y axis limits would be if the axis extended to the edges of the figure. ...

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Printing cell array values as simple numbers?
Options to convert a 1xn cell array containing scalar numbers to a vector (or string) rng('default') % for reproducibility x ...

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How to do correlation from data with series
You can use xcorr and indexing. t=[21,22 ,323,43,231,53,23,12,53,12]; c=[23,12 ,223,333,21,63,24,23,763,14]; p=["1","1","1",...

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Centroid of two arrays
I agree that the documentation on describing the inputs could be more specific. Look at the examples in the documentation for c...

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Cannot share my MATLAB online files to others.
Place the shared content within a folder and share the folder. https://www.mathworks.com/help/matlabdrive/ug/share-and-collabo...

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Count number of values of a Matrix inside a range and plot it
bins = [0,3,4,5,15]; h = histogram(B(:),bins); To get the counts within each bin, h.Values

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How to calculate the number of times the values of a column changes
This demo matches your 2nd example. This temporarily breaks up the table into sub-tables based on the ID and loops through eac...

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How to declare a global variable in Startup function of matlab app.designer
Do not use global variables, especially in AppDesigner. Instead, declare a public or private property accessible anywhere wit...

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Create table from data
Summary of comments under the question, Instead of initializing T as an empty cell, use an empty table. T = table(); A1 = ...

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Compare for uniqueness between 2 very large matrices
To determine if two arrays are 100% identical, use isequal or isequaln to ignore NaN values. To determine if columns in matri...

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Plotting random points within Boundary
If you have the perimeter coordinates, you can create a bunch of random numbers and then eliminate the ones outside of the perim...

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I can't randomly distribute the dots
> I want you to be like the image of a building collapsed in an earthquake. Height points scatter all over the x and y axes Wha...

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