quickest way to scan excel column for keyword
Could try this: suppose that you don't have a column name tbl = readtable('yourExcelFile', 'ReadVariableNames', 0); % N = t...

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Help with mann whitney U test and p-value.
Use ranksum [p, h, stats] = ranksum(x, y);

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Creating a mtarix from results of a for loop that creates vectors
Not really understand what you intended to do. But based on your code, you could get an array by accumulating the vector you get...

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Original Signal from fft - without using ifft
Matlab fft results are without the 1/N term. If you plot the amplitude spectrum you will find out that the peak amplitude is cle...

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Logistic Regression S-Curve Fit
Do you want to plot logit(y) against your predictor or you want to plot y against x? You could fit your y by x using fitglm with...

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(Again) plots do not appear on the graph
Without data it’s difficult to tell. You tried set a break point and see if it ever appears any points? Based on your descrip...

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FFT - wrong frequency
Well, you need to understand what you are doing with each of these variables. Your code is kind of weird as all things you need ...

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Add n+1 element to a vector
If your X is a row vector, using newX = [X, aNewElement]; If your X is a column vector, using newX = [X; aNewElement];

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matlab loops break and continue commands
You are almost there. Just need a seperate counter that force the loop to break if it accumulates to 3. n = input('Enter a nu...

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Help in shuffle test data ?
"he first line become the third line and the third line becoms the forth line" your example doesn't meet what you described. I...

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how to write a detection algorithm for the peaks of a signal
That depends on what exactly you meant by peaks of a signal. If you want to have all local maximums, the easiest way I think is ...

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i want code for the below given task
close all; clear; %% this is an examplary ECG recording with sampling frequency 200 hz y = load('2GCCY.txt'); fs = 200; N...

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plot label with latex symbol
You need to have the leading and ending symbol $. e.g., ylabel('$J_{1}(\rho)\$','interpreter','latex')

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Plot with varying legend in for loop
An easier work around i think is that you store txt during each loop in a string array, or a cell array, and plot legend afterwa...

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Extract rows from table fullfilling the condition of interval
You may want to convert that specific column to double format, and the conditional operation would become easier. % a test tbl...

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Need Help Indexing. I have a 1x12 cell array with each cell containing a 120x2 double. I need to use a for loop to index all the values in every of row in the second column of the 120x2 double and store them in their own 1x12 matrix.
Do you necessarily do with a for loop? If not, you don't need one. % an example tst = cell([1, 12]); tst(:) = {randn(120, 2)}...

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Add row name from uitable to excel
Better using writetable in this case I think. You can specify WriteRowNames as true. writetable(yourTable, filename, “WriteRo...

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The title of a plot containing the data's file name.
You have filename already when you load the data. Just need to combine this with the char array you have. Try title(['UTM Pos...

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Changing the colour of the lines in a legend.
You have 250 lines and with the legend function you are actually only showing the legend for the first 5 lines, which are red ba...

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Which graph function to use?
You can use errorbar function to make this.

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Hot plot this type of figure
you can use plot3 to get these lines and markers done. you can use fill3 to make the patches. set alpha value to a number so th...

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Protein sequence manipulation for adding elements before or after the sequence.
The easiest way to add N zeros before it can be done by: [repmat('0', 1, N) yourProSeq];

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Calculating with Methods from Classes
You have too many class methods that are not really methods specific for the class, as they never accept your object handle as a...

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How can I make plot3 show on the top of the images?
Below example works fine C = [0 2 4 6; 8 10 12 14; 16 18 20 22]; clims = [4 18]; imagesc(C,clims) hold on; plot3([1 4], [1 ...

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Array indices must be positive integers or logical values.
What are you trying to do? In inner loop, b is your loop index. It is seen as a scalar. There aren't any b(sounds6_) if sounds6_...

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How can I set class properties with a vector from another script?
In your class construct you could let it accept input parameters. e.g., methods function this = Holtrop(varargin) ...

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Is it possible to have a table with a numerical index instead of strings?
Why do you want to make the time as row names? I think it's better to keep it as one of the variable in the table. It is not nec...

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I want annual data from monthly data (sum of every 12 months)
Hi, you again lol and me again I thought it would be easier for you to solve this with my previous answer regarding the season ...

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