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Feeds
Risolto
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,...
oltre 3 anni fa
Risolto
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 = ...
oltre 3 anni fa
Risolto
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]
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
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...
circa 4 anni fa | 0
| accettato
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....
circa 4 anni fa | 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 ...
circa 4 anni fa | 0
| accettato
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 ...
circa 4 anni fa | 0
Risolto
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...
circa 4 anni fa
Risolto
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.
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Domanda
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...
circa 4 anni fa | 1 risposta | 0
1
rispostaRisolto
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 ...
circa 4 anni fa
Risolto
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
circa 4 anni fa
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...
circa 4 anni fa | 0
Risolto
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
circa 4 anni fa
Domanda
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...
circa 4 anni fa | 1 risposta | 0
1
rispostaRisolto
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]; ...
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Risolto
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...
circa 4 anni fa
Risolto
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 ...
circa 4 anni fa
Risolto
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...
circa 4 anni fa