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Awarded to Torsten K on 19 Oct 2020
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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,...
9 månader ago
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 = ...
9 månader 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]
9 månader 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. <<https://i.imgu...
9 månader 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...
9 månader 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...
9 månader ago
NARX with multiple time series: Data dividision problem
OK, I found the solution. Here is a small example, based on this example: load magmulseq; y_mul = catsamples(y1,y2,y3,y1,y2...
mer än ett år ago | 0
| accepted
basic error, help me
Is this what you are looking for? clearvars; x = linspace(20,100000); y = 20*log10(1./(1+(2*3.14*x*985.1*(59*10.^-9)-(985....
mer än ett år ago | 0
how to save an array in each iteration?
Here a variant with a 3d-matrix: clearvars; A = zeros(6,6,3) L = 3; SR = [ 0.0941 0.1129 0.0471 0 ...
mer än ett år ago | 0
| accepted
how to save an array in each iteration?
Maybe a cell-array is what you are looking for? A = cell(3,1); L = 3; SR = [ 0.0941 0.1129 0.0471 0 ...
mer än ett år ago | 0
Solved
Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
mer än ett år 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.
mer än ett år 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...
mer än ett år ago
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...
mer än ett år 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...
mer än ett år ago
Question
NARX with multiple time series: Data dividision problem
Hello everyone, I want to train a NARX-model for multi-step prediction of time series. The task has the following boundary cond...
mer än ett år ago | 1 answer | 0
1
answerSolved
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 ...
mer än ett år 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...
mer än ett år ago
How can I change all the elements in a matrix with value1 to a new value2?
How about this? m = randi([0,1],78) % 78x78 matrix with random integers in the interval 0..1 m(m==0)=-1 % Substitute all 0's b...
mer än ett år ago | 0
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mer än ett år ago
Question
Heatmap: Vector of x values contains duplicate values
Hello everybody, I would like to create a heatmap in which the X-Labels are repeated. The X-Label categories are the strings "L...
mer än ett år ago | 1 answer | 0
1
answerSolved
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]; ...
mer än ett år 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...
mer än ett år 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...
mer än ett år 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...
mer än ett år 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 ...
mer än ett år 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...
mer än ett år ago
