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,...

circa 3 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 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 = ...

circa 3 anni fa

Risolto

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 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]

circa 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. <<http://upload....

circa 3 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 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...

circa 3 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 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...

circa 3 anni fa

Risolto

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

circa 3 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 3 anni fa

Risolto

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

circa 3 anni fa

Risolto

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

circa 3 anni fa

Risolto

Create a vector
Create a vector from 0 to n by intervals of 2.

circa 3 anni fa

Risolto

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

circa 3 anni fa

Risolto

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

circa 3 anni fa

Risolto

Find max
Find the maximum value of a given vector or matrix.

circa 3 anni fa

Risolto

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

circa 3 anni fa

Risolto

Inner product of two vectors
Find the inner product of two vectors.

circa 3 anni fa

Risolto

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

circa 3 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 3 anni fa

Risolto

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 3 anni fa

Risposto
Find corresponding values for unique values in a matrix
m= accumarray(A(:),B(:)); d=find(m); C=[d m(d)]

circa 3 anni fa | 1

| accettato

Risposto
dataset - add a new row and fill in data in a loop
"The dataset data type is not recommended. To work with heterogeneous data, use the MATLABĀ® table data type instead" data=readt...

circa 3 anni fa | 1

| accettato

Risposto
Error using tabular/addvars (line 174) Variables must have the same number of rows as the table they are being added to.
for i = 1:numel(B) B{i}.Properties.VariableNames = upper(B{i}.Properties.VariableNames);%change all variable names end ne...

circa 3 anni fa | 1

| accettato

Risposto
How do I set up a function to split up a randomly generated vector into an "if,else" statements to resize it in equal portions of 1, 2, or 3 rows
clc array = [1 2 3 4 5 6 7 8 9 10 11 12];%1:12 do the same s=1:numel(array); fac = s(rem(numel(array),s)==0); allpos=arrayfu...

circa 3 anni fa | 1

| accettato

Risposto
How does a matrix sort based on another matrix?
Solution: C=zeros(size(B)); C(sub2ind(size(B),repmat((1:size(B,1))',1,size(B,2)),A))=B

circa 3 anni fa | 1

| accettato

Risposto
Converting all arrays inside a cell to tables
newC is 40x32, each cell is a table 336x1 : newC = cellfun(@(x) table(x(:)), C, 'uniformoutput', false)

circa 3 anni fa | 0

| accettato

Risposto
How to replace a range of pixel values with another range of pixel values within my image?
yourimage(34,70:80,:)=yourimage(34,60:70,:)

circa 3 anni fa | 0

| accettato