computing vectors with string and numbers (easy question)
Here is code that keeps the indexing scheme based upon the order in which the names occur in your vector of strings. >> S = ["H...

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computing vectors with string and numbers (easy question)
>> S = ["joe" "april" "andrea" "joe" "andrea"] S = 1×5 string array "joe" "april" "andrea" "joe" "andrea" ...

Simulating a drone and bird as radar targets
Sounds like a good project. Personally, I would take a movie of a bird and a drone, and then try to reconstruct a 3D polygon of ...

How to generate a list of random ID which can later be used instead of participant name?
Due to the cyclist remark about homework, I am just starting the script. It leaves out certain patterns like 'a9a9' since it is ...

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Syntax Question, Why does this equal zero?
Good question. :) >> 1 - 7*( sym(8/7) - 1 ) ans = 0 % you are right; the answer is 0 For double numbers, look at the format...

Forcing Page Breaks in MATLAB
The official 2016 answer is here, and no discernible updates since 2016. It would be great if MathWorks would add that to Live E...

how to get the mean for specific rows number of one columns
M = [ ... 1 5 2 7 3 9 1 9 2 7 3 9 ]; T = array2table( M, ... 'VariableNames',{'Month','...

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Vector. Change the way my program gives me the answer.
v = [1 2 -3 4]; v( diff( sign( [v(1) v] ) ) ~= 0 ) ans = -3 4

Vector. Change the way my program gives me the answer.
v = [1 2 -3 4]; n = 1; l = length (v); ii = 1; c = []; while (n < l) a = v(n); b = v(n+1); n = n+1; % if (a <...

Group data in bins
Hope this is close to what you are looking for. EDGES' ans = 0 0.5000 1.0000 1.5000 2.0000 ...

How to solve matrix function in Matlab?
Define Z = AXB + C - X You have to start off with your initial best guess for X based upon the nature of the model. For lack of...

Creating blocks of average values from a series but avoiding dynamic variable names
Since you have 5 groups of 100 numbers, I thought you wanted the mean of each group. That gives 5 means. So I did not understand...

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plot discrete time domain signals
I recommend using following substitutions: plot(t,y) axis( [-1 10 0 1])

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Solved

Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

Imbedded If statement in Function help!
Did you know that >> logical(1) + logical(1) ans = 2 and that (age>50) is a logical?

In Online Matlab under App menu, Signal Analyzer not working?
The Signal Analyzer app comes with a purchase of the Signal Processing Toolbox. Please review this short video: Signal Analysi...

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Computer to boost MATLAB operation
As @Jan pointed out, it is very important that you run your profiler to find out where your time is being spent and focus on tho...

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Parfor nested loop Table definition
>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

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How to obtain the first and second derivative of the "xt" function
You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

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Computer to boost MATLAB operation
Where is your time being spent - in the nested loop, or in the last loop that is outside the nested loop? If, by "last loop", y...

Giving a moving point a chance to change path every step?
You should just run the script directly. You should not try to call selectPath from the command line.

Giving a moving point a chance to change path every step?
Not sure exactly what you want, but possibly this is getting close. The refactoring should make it easier to modify. % set rand...

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Handling data cell array
Yes, regex is elegant. Here is a non-regex script. This algorithm allows the x,y,z to be in any order in each row of A. A = {'...

Matlab row subtraction of matrix
On the other hand, maybe you want to subtract row 2 from all the rows. In that case, you can do this. >> A A = 1 2 ...

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Matlab row subtraction of matrix
I am taking a guess as to what you want. Would be nice if you gave a simple matrix, A, and showed the desired result. But here i...

Relation of Elements of matrix
B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

Matrix dimensions must agree.
As Jon pointed out, you can subtract two matrices if they are "the same size (same number of rows and columns)" It is also poss...

how do u make a new value that is the sum of two columns
A = [1 2 ;3 4; 5 6 ;7 8; 9 10; 11 12; 13 14; 15 16] A = 1 2 3 4 5 6 7 8 9 10 ...

Solved

Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...