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# Erivelton Gualter

### Cleveland State University

39 total contributions since 2018

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how can i read data given from a txt file and plot graph
You may check this other anser related to import data: https://www.mathworks.com/matlabcentral/answers/460098-import-text-data-...

2 mois ago | 0

Solved

Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

2 mois ago

Solved

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

2 mois ago

Solved

Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

2 mois ago

Solved

Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

2 mois ago

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

2 mois ago

Randomly dividing an integer (non-uniform distribution)
How about you generate n variable from a desired range. For example: n = (b-a)*rand(1,M)+a; So you have, % Range a = 0.01; ...

2 mois ago | 1

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

2 mois ago

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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 ...

2 mois ago

Solved

matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

3 mois ago

Solved

The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

3 mois ago

Solved

Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

3 mois ago

How to smooth the plot graph?
After you plot the position profile add the following code: for i=5:30; p = polyfit(time, theta,i); y1 = polyval(p,ti...

3 mois ago | 0

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 mois ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 mois ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

3 mois ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

3 mois ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 mois ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3 mois ago

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Given a and b, return the sum a+b in c.

3 mois ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 mois ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 mois ago

Runge Kutta 4th order
Your code seems to have some issues. Try this one: h = pi/10; x = 0 : h : 2*pi; n = length(x); y = zeros(2,n); y(:,1) =...

3 mois ago | 1

| accepted

How to view plotting in real time
Hi Mekala, Alternatevely, you can run the follow code: x = [1,2,3,4,5,6,7,8,9]; y = [1,2,3,4,5,6,7,8,9]; figure; hold on...

3 mois ago | 1

| accepted

Using specific color vector in plot
Hi Kelsey, You need to use the attribute 'color'. See the following example: plot([0 1], [0 1], 'color', [1 0 0])

3 mois ago | 0

| accepted

lambda function with if statement
You can use the following line of code: X = @(om) (1*(abs(om)==1) + 0*(abs(om)~=1));

3 mois ago | 2

Compare output with each row and column from a table.
You might create a function to perform this task, an dyou call it as many times you desire. % function return status function...

3 mois ago | 0

Variable changes to previously calculated value each iteration.
Since T is an array and you are using a for loop to find each value of p2(T), you should you T(i) instead of T. Check the co...

3 mois ago | 0

HOW CAN I CREATE A MATRIX FILE FROM 3 EXCEL FILES
First, there is several ways to import data into Matlab. CHeck the following link: https://www.mathworks.com/help/matlab/import...

3 mois ago | 0