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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...

5年以上前

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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...

5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...

5年以上前

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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....

5年以上前

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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...

5年以上前

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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,...

5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...

5年以上前

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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 = ...

5年以上前

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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]

5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...

5年以上前

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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...

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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...

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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...

5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...

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

5年以上前

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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.

5年以上前

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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...

5年以上前 | 0

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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 <=...

5年以上前 | 0

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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...

5年以上前 | 1

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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

5年以上前 | 0

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

5年以上前 | 0

質問

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...

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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 ] ...

5年以上前 | 1

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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...

5年以上前 | 0

質問

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 ...

5年以上前 | 1 件の回答 | 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)

5年以上前 | 1

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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(...

6年弱前 | 0

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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...

6年弱前 | 0

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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:...

6年弱前

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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]; ...

6年弱前