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Mostafa


32 total contributions since 2016

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Answered
Normalize from -1 to 1... help me
%dataSet = your data min_L = -1; max_L = 1; dataSet = dataSet/norm(dataSet, Inf); %Normalize between 0 and 1 dataS...

más de 4 años ago | 0

Answered
Cell array in a loop
% B is already defined, a matrix of doubles % A is already defined, a cell array of matrices % B and the matrices in A h...

más de 4 años ago | 0

Answered
Import data from text file in awkward format
This is neither the fastest, nor the most elegant solution, but it works. %Read File fid = fopen('example.txt','rt'); ...

más de 4 años ago | 0

| accepted

Answered
While loop going one too far
Ah, the good old "Hard equality" problem.. Simply put, (i<2) doesn't return false, since (i) is not actually equal to (2) ! ...

más de 4 años ago | 0

Answered
Error with transfer function?
Aside from posting your model to actually identify the problem, possible solutions could be: 1) Initialize your blocks (Inte...

más de 4 años ago | 0

| accepted

Answered
Import of mixed string and numerical data from excel file
I believe that the easiest (not the fastest) way is to import all the data at once in matlab environment then process it there. ...

más de 4 años ago | 0

| accepted

Answered
Problem with loop to construct graph
%Reading the data from sheet 1, cells B2 to D8 dataMat = xlsread('Book1.xlsx', 1, 'B2:D8', 'basic'); %Get sum of numbers...

más de 4 años ago | 0

| accepted

Answered
How to skip (iteration) empty folders and empty text files
%Get list of all files in current directory and beneath [~,list] = system('dir /S *.txt'); result = textscan(list, '%s',...

más de 4 años ago | 0

| accepted

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

más de 4 años ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

más de 4 años ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

más de 4 años ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

más de 4 años 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...

más de 4 años 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...

más de 4 años 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:...

más de 4 años ago

Answered
How to remove the MATLAB logo when masking a MATLAB Function block in Simulink?
Right Click on the Matlab function block -> Mask -> Edit Mask In the 'Icon drawing commands' write disp('MyFunc') Pre...

más de 4 años ago | 0

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

más de 4 años ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

más de 4 años ago

Solved


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]; and ...

más de 4 años ago

Solved


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

más de 4 años ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

más de 4 años ago

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 ...

más de 4 años ago

Solved


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

más de 4 años ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

más de 4 años ago

Solved


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

más de 4 años ago

Solved


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

más de 4 años ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

más de 4 años 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...

más de 4 años ago

Answered
Dear Sirs, how to get points that are in minimum distance from a curve, that was plotted using 100 points, with respect to points of other curve.
Assuming the two arrays are of the same size: values = 0 : pi/100 : 2*pi; A = cos(values); B = sin(values); min_di...

más de 4 años ago | 0

Answered
Where is my mistake in trying to write a cell array with both strings and numbers to XLS file?
You can't pass data of "cell" class to an xls file, so you need to convert all data to strings. Either cast _char(data)_ or ...

más de 4 años ago | 1

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