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Computing 4th cumulant of Gaussian variable
When number of samples is sufficiently large, the sample mean (your fucntion output) is approaching to the true expected value (...

5 years ago | 0

Answered
Change colour of line graph once a value is reached
The program is slow because it draws and updates the line segment (of two points) by segment . To speed up in the simplest way,...

5 years ago | 0

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Answered
solving the Transfer function
% Divide G(s) into two parts (or manually simplify it) h1 = tf([0.02 1], [0.005 1 0 0 0]); h2 = tf([0.025 1], [0.001 1]); g =...

5 years ago | 1

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Answered
I need to create a nested struct from nested folders
% List all the file in current folder and subfolders fn = dir('**/*'); % structure for the information of all the file % f...

5 years ago | 0

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Solved

Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

5 years ago

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Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

5 years ago

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A matrix of extroverts
Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

5 years ago

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Convert matrix to 3D array of triangular matrices
Given a 2D numeric array x in which each column represents the vectorized form of an upper triangular matrix, return a 3D array ...

5 years ago

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Running the Same code for Multiple Files in a Folder
Here is a schetch of the solution: fn = dir('a*.txt'); % obtain the file information 'a*.txt'. make your own modification for...

5 years ago | 0

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issue when creating and saving file to specific folder
When dataFolder is a variable, change directory with the following statement: cd(dataFolder) ;

5 years ago | 1

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Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

5 years ago

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Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

5 years ago

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Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

5 years ago

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frame of the matrix
Given the matrix M, return M without the external frame.

5 years ago

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subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

5 years ago

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Bellhop: index exceeds the number of array elements (0)
Check the quotation marks. AcousticToolbox input use the single quote " ' " for input. 260.0 1502.43 / ’A’ 0.0 260.0 1600....

5 years ago | 1

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Answered
How to vertically combine two matrices with a space in-between them?
You can insert one row of NaN. An array or matrix must be filled with numbers and cannot have blanks (unless you use strings). ...

5 years ago | 0

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Code to solve integral with cosine and theta
integrate it manually integrate it symbolically syms x f(x) = cos(x).^2 int(f(x), 0, pi/2) integrate it numerically x = li...

5 years ago | 0

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Answered
Extracting elements from one matrix and placing in another
The following will do. i = [7 10 34 52 79 82 88 94 100 115] %posi SLP_top_10 = yearly_array2(:,:,i);

5 years ago | 0

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Solved

Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

5 years ago

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

5 years ago

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How does division "/" = work for integer types?
MATLAB rounds the results when dividing integer data types. That is to say: uint32(1) /uint32(2) = round(1/2) = round(0.5) =1 ...

5 years ago | 0

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Answered
Simple for Loop calculation help MATLAB!
Using loop (for integer number of years): P0 = 1000; r = 0.05; y = 3; P = P0; % initialization for i=1:y P = P0*...

5 years ago | 0

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Answered
Plotting multiple images in subplot with reducing subplot distance and make title inside the each subplot images
Use tiledlayout to control the gaps. You can use text(x,y, 'title') to place text anywhere. % loose' (default) | 'compact' | '...

5 years ago | 1

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Answered
how to south outside text
bar(rand(5,2)); % some plot legend('A', 'B', 'Location', 'southoutside'); % legend can be placed southout...

5 years ago | 0

Answered
Why do I get an error message when I questdlg function
Add the default button (last argument) to be one of the specified buttons: answer1 = questdlg('Strained Method?', ... 'Option...

5 years ago | 0

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Solved

Evil Number
Check if a given natural number is evil or not. Read more at <https://oeis.org/A001969 OEIS>.

5 years ago

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N-th Odious
Given index n return n-th <https://oeis.org/A000069 odious number>.

5 years ago

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Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

5 years ago

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Write c^3 as sum of two squares a^2+b^2
write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...

5 years ago