# Mara

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**Content Feed**

Random sampling and removing data

Hey Sooraj, it is not all clear to me whether you want to choose entire rows/columns of your matrix or completely random sets o...

9 months ago | 1

How to create axis with perfect square ticks

yticks((1:50).^2) if you just want to change the labels you can use yticklabels((1:50).^2)

9 months ago | 0

How to input signal to skip numbers and generate data?

A = [0 0 0 0 0 1 1 1 0 0 0 0 1 0 1 1 0 0 1 1 1 1 1 0 0 0 0]; n = 2; B = zeros (1,length(A)); count = 0; ...

9 months ago | 1

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If you follow this code, you will see a graph, but when you hit enter, line 45 keeps saying "'l' is an unrecognizable function or variable." But even though for I= 2:k is given, what is the problem?? ?

Your loop variable is a an upper case i, but in your loop you use a lower case l, which look identical in some fonts.

12 months ago | 0

Comparing strings of different lengths.

So is your question how to shorten your code? Maybe try this statement if strcmp(filename1, filename2) % Whatever you want...

12 months ago | 0

How to extract corresponding values of x-axis based y-axis values.

maybe use ismember: idx = ismember(y, [5,6,74,5,67]) xvalues = x(idx) P.S. sorry for the editing, I now read your problem c...

1 year ago | 0

Plotting multiple functions, while showing only parts of them

Hello, you can plot only to the maximal y-value by finding the index of it in your vector of y-values. When you plot x and y, y...

1 year ago | 0

File-loop, for loop,importing excel data

%Read each CSV file, change the text data to numeric and work with it clear; clc; dirroot='C:\Documents\Excel\'; for L=1:2...

1 year ago | 0

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Replacing values in a matrix based on values in a column vector

I came up with this. But not sure if this the easiest way to do it. yMat = zeros(length(y)*10, 1); yMat((y-1)*length(y)+ (1:le...

1 year ago | 1

Unable to perform assignment because the size of the left side and right side are different

Hello Mustafa, when you preallocate the variable params, you have a little twist in there, since you defined it as having the sa...

1 year ago | 1

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I am getting an empty figure for a given code

Hello, Your variable phi_red is empty. Because your variable loc is empty, it does not run the if(~isempty(locs) command and r...

1 year ago | 1

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Draw a square with one line?

Not sure I have understood your problem. I think you want to find out x by drawing an orthogonal line from the y-axis, but I do ...

1 year ago | 0

Print variable text with a numerical variable.

What about you make three more vectors, UP, UV and UT... UP = ["Pa", MPa" , or whatsoever] that have the same length as erres. ...

1 year ago | 0

Unrecognized function or variable 'uu'. Error in 'TBSv1/desired trajectory' while evaluating expression.

If you call this function, you need two inputs inside the bracket: out = DesiredTrajectory(uu, P) It sounds to me like you mig...

1 year ago | 0

Producing strings in empty column based on strings on another column

array(:,5) = ["mike" "mike" "brad" "angie"] sz = size(array, 1); for i = 1:sz name = array(i, 5); switch name ...

1 year ago | 0

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In the GUI in MATLAB, how to change the input of a filename in a function for it to be read

From what I understand, your the name 'aae20110806dmin.min' is saved as a string variable called filename. if you want to use t...

1 year ago | 0

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How to vectorize this code

[x,y,z] = peaks; prom = 1; % Find dimensions to set up loop xdim = size(x,1); ydim = size(x,2); % vectorize (the vect...

1 year ago | 0

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How to change boxplot filling with newer Matlab versions?

You can specify an array for the color, it should have the same size as the columns in y. boxplot (y, 'Colors', ['k' 'r' 'b'], ...

1 year ago | 0

How to replace a string in a table

test = table(); test.month = 'JANUARY'; test.month = lower(test.month); %writes it in lower case letters or you can as well...

1 year ago | 0

| accepted