Solved

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

7 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...

7 years ago

Solved

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

7 years ago

Solved

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

7 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...

7 years ago

Solved

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

7 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...

7 years ago

Solved

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

7 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...

7 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...

7 years ago

Solved

sinus function
x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

7 years ago

Solved

Return area of square
Side of square=input=a Area=output=b

7 years ago

Answered
Export a cell array containing cell arrays
Hi, here is a rather simple solution: OUT = char(97:122); for ii = 1:26 Name=OUT(ii); filename = sprintf...

7 years ago | 0

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

7 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]; ...

7 years ago

Solved

Finding fourier transform of a given vector
Find the fourier transform of a given input vector for ex a=[1 2 3 4] then y=[ 10.0000 + 0.0000i -2.0000 +...

7 years ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

7 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 ...

7 years ago

Solved

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

7 years ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

7 years ago

Answered
Export a cell array containing cell arrays
Hi, An easy and quick fix is to re-label your data files with numbers 1:97 or whatsoever (as you have already noted) that wor...

7 years ago | 0

Answered
Undirected graph network with latitude and longitude as node
You can employ graph() or digraph() plot tools of MATLAB.

7 years ago | 0

Answered
integral(exp(double integral)) ?===>integral of riemann
Hi, In your code, the variable d is assigned instead of b on line 2: d= 0:10:100; When this is fixed then everything works ok...

7 years ago | 0

| accepted

Answered
How do I get multiple images in Simulink mask editor (Icon Drawing Commands)
Hi Daniel, Your task is absolutely doable. First, you'd need to create three variables (as I see in your task you have four o...

7 years ago | 0

| accepted

Answered
Finding eigen vectors of a matrix
Hi, It works as expected. Just restart your MATLAB and re-run your code: >> [V,D]=eigs(C,3,'LA') V = 0.0922 -0.6679 ...

7 years ago | 0

Answered
How to pre-allocate a struct in Matlab
Did you mean memory pre-allocation? if so, then e1=zeros(27,1); e3=ones(27,3);

7 years ago | 0

| accepted

Answered
why my fft doesnot give the correct answer??
Hi, There are several unclear points, i.e. your time signal and sampling frequency fs match with your signal from sla.xls, et...

7 years ago | 0

Answered
How can I import data from my .csv file, from specific rows and columns, into a matrix?
An alternative way is: ALL = csvread('raw_data.csv'); Data = ALL(3:end, :);

7 years ago | 0

Answered
How can I update a constant block value based on the output results in simulink
Hi, In your case, if understood your problem correctly, one of the possible ways is to name the constant block value with a n...

7 years ago | 0

Answered
Unwanted circles in graph (Simulink)
Hi, if I understood your question correctly, the circles you are referring are not circles but the data points from your simu...

7 years ago | 0