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...

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...

3 years 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...

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...

3 years 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'); ...

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'); ...

3 years 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) ! ...

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) ! ...

3 years 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...

Error with transfer function?

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

3 years 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. ...

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. ...

3 years 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...

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...

3 years 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',...

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',...

3 years 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...

3 years 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...

3 years 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...

3 years 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...

3 years 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 years 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 years 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 years 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...

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...

3 years 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...

3 years 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...

3 years 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 ...

3 years 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...

3 years 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...

3 years 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 ...

3 years 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...

3 years ago

Solved

Determine if input is odd

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

3 years 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 ...

3 years 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 years 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...

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...

3 years 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 ...

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 ...

3 years ago | 1