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Mostafa


Attivo dal 2016

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Risposto
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...

circa 8 anni fa | 0

Risposto
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...

circa 8 anni fa | 0

Risposto
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'); ...

circa 8 anni fa | 0

| accettato

Risposto
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) ! ...

circa 8 anni fa | 0

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

circa 8 anni fa | 0

| accettato

Risposto
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. ...

circa 8 anni fa | 0

| accettato

Risposto
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...

circa 8 anni fa | 0

| accettato

Risposto
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',...

circa 8 anni fa | 0

| accettato

Risolto


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...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

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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...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

Risolto


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:...

circa 8 anni fa

Risposto
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...

circa 8 anni fa | 0

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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...

circa 8 anni fa

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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...

circa 8 anni fa

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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]; and ...

circa 8 anni fa

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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...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

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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 ...

circa 8 anni fa

Risolto


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

circa 8 anni fa

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

circa 8 anni fa

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

circa 8 anni fa

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

circa 8 anni fa

Risolto


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 ...

circa 8 anni fa

Risolto


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...

circa 8 anni fa

Risposto
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...

circa 8 anni fa | 0

Risposto
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 ...

circa 8 anni fa | 1

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