Respondida
Parfor nested loop Table definition
>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

alrededor de 3 años hace | 1

| aceptada

Respondida
How to obtain the first and second derivative of the "xt" function
You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

alrededor de 3 años hace | 0

| aceptada

Respondida
Computer to boost MATLAB operation
Where is your time being spent - in the nested loop, or in the last loop that is outside the nested loop? If, by "last loop", y...

alrededor de 3 años hace | 0

Respondida
Giving a moving point a chance to change path every step?
You should just run the script directly. You should not try to call selectPath from the command line.

alrededor de 3 años hace | 1

Respondida
Giving a moving point a chance to change path every step?
Not sure exactly what you want, but possibly this is getting close. The refactoring should make it easier to modify. % set rand...

alrededor de 3 años hace | 1

| aceptada

Respondida
Handling data cell array
Yes, regex is elegant. Here is a non-regex script. This algorithm allows the x,y,z to be in any order in each row of A. A = {'...

alrededor de 3 años hace | 1

Respondida
Matlab row subtraction of matrix
On the other hand, maybe you want to subtract row 2 from all the rows. In that case, you can do this. >> A A = 1 2 ...

alrededor de 3 años hace | 0

| aceptada

Respondida
Matlab row subtraction of matrix
I am taking a guess as to what you want. Would be nice if you gave a simple matrix, A, and showed the desired result. But here i...

alrededor de 3 años hace | 0

Respondida
Relation of Elements of matrix
B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

alrededor de 3 años hace | 0

Respondida
Matrix dimensions must agree.
As Jon pointed out, you can subtract two matrices if they are "the same size (same number of rows and columns)" It is also poss...

más de 3 años hace | 0

Respondida
how do u make a new value that is the sum of two columns
A = [1 2 ;3 4; 5 6 ;7 8; 9 10; 11 12; 13 14; 15 16] A = 1 2 3 4 5 6 7 8 9 10 ...

más de 3 años hace | 0

Resuelto

Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

más de 3 años hace

Resuelto

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....

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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,...

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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 = ...

más de 3 años hace

Resuelto

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]; ...

más de 3 años hace

Resuelto

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]

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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.

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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

más de 3 años hace

Resuelto

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 ...

más de 3 años hace

Resuelto

Add two numbers
Given a and b, return the sum a+b in c.

más de 3 años hace

Resuelto

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...

más de 3 años hace

Resuelto

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:...

más de 3 años hace