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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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....

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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,...

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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 = ...

bijna 4 jaar ago

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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]

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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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...

bijna 4 jaar ago

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

bijna 4 jaar ago

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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.

bijna 4 jaar ago

Answered
Taking values from a Matrix and Inputting into an equation, using Loops
Hello Omar If you want to replace "y" with one of the values in "A", you can do it the following way: A = 1:7; syms x y eq...

ongeveer 4 jaar ago | 0

Answered
Hello, I'd like to define this function. Any help please?
Im not entirely sure if this is what you are looking for. syms x u = @(x) func(x) function y = func(x) if 1 <=...

ongeveer 4 jaar ago | 0

Answered
For loop problem for automatisation
My error code is: Index in position 2 exceeds array bounds (must not exceed 5). Error in main (line 17) y = matriceVal...

ongeveer 4 jaar ago | 1

| accepted

Answered
plot all the values of a for loop
As far as i can see, you need to put the plot command inside the loop. I have attached a modified version

ongeveer 4 jaar ago | 0

| accepted

Answered
how to get this in smulink
There is a block called "Magnitude Squared", that does exacly that.

ongeveer 4 jaar ago | 0

Question

Transform polynomium equation into multiple coefficient equations
Hello I want to match coefficients from 2 polynomiums: syms x syms a [3,1] syms alpha beta gamma eq = (1-alpha)*x^2 + (1...

ongeveer 4 jaar ago | 0 answers | 0

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How to count the number of "" true "" and ""false"" in matrix
You can do something like this: a = [ true true false true true true true true false false true false false true true ] ...

ongeveer 4 jaar ago | 1

| accepted

Answered
How can i vectorize this loop?
@Rik told me to move my comment to the answer section, i hope he ment copy-paste :) I don't know if you can vectorize that, sin...

ongeveer 4 jaar ago | 0

Question

Simulink: Product block forces wrong dimension size
Hello all I have a bit of a problem. My simulink model has an dimension error, but i cant understand why. I need to perform ...

ongeveer 4 jaar ago | 1 answer | 0

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linear equation without coefficients
I think the polyfit command is what you are looking for. It should work like this k = polyfit(x,y,1) a = k(1) b = k(2)

ongeveer 4 jaar ago | 1

Answered
Create Matrix using only zeros and ones
This should do it for the first matrix A = zeros(4,4); A(:,1) = 1; % set column 1 to 1 A(:,3) = 1; % set column 3 to 1 disp(...

ongeveer 4 jaar ago | 0

Answered
How to put rows of a matrix in another matrix column?
data = rand(243938,1); % generate test data n = 2; % Columns in Y Y = nan(100,n); % initiate Y % method 1, using forloo...

ongeveer 4 jaar ago | 0

| accepted

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:...

ongeveer 4 jaar ago

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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]; ...

ongeveer 4 jaar ago