Mostafa

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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...

7年以上前 | 0

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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...

7年以上前 | 0

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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'); ...

7年以上前 | 0

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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) ! ...

7年以上前 | 0

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

7年以上前 | 0

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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. ...

7年以上前 | 0

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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...

7年以上前 | 0

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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',...

7年以上前 | 0

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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...

7年以上前

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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...

7年以上前

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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...

7年以上前

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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...

7年以上前

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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...

7年以上前

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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...

7年以上前

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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:...

7年以上前

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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...

7年以上前 | 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...

7年以上前

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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...

7年以上前

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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 ...

7年以上前

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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...

7年以上前

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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...

7年以上前

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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 ...

7年以上前

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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...

7年以上前

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

7年以上前

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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.

7年以上前

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

7年以上前

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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 ...

7年以上前

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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...

7年以上前

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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...

7年以上前 | 0

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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 ...

7年以上前 | 1

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