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...

8年以上 前

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. Example...

8年以上 前

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 ...

8年以上 前

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...

8年以上 前

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]; and ...

8年以上 前

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...

8年以上 前

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

8年以上 前

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

8年以上 前

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 ...

8年以上 前

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...

8年以上 前

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:...

8年以上 前

MATLAB Editor Code Analyzer
Terminating the line with the comment %#ok suppresses the warning.

MATLAB Editor Code Analyzer
For the following code x=1; save('x','x') x=2; the MATLAB Editor Code Analyzer warns "The value assigned to var...

### 4

Finding the indices of the elements of one array in another
Thinking again, I realize that ismember is all I need [~,idx]=ismember(B,A) will do it.

9年以上 前 | 5

Finding the indices of the elements of one array in another
Thanks for the three solutions. Here is a function to test all three. "method_1" wins as the most elegant and fastest, but the o...

9年以上 前 | 6

Finding the indices of the elements of one array in another
Given two vectors A and B, find the index, idx into A of the element of B so that A(idx)=B. Now I know there must be many ways...

9年以上 前 | 7 件の回答 | 5

### 7

Picking an FFT length
How could I find the most efficient FFT size greater than N? I know that with fftw "sizes that are products of small factors are...

9年以上 前 | 1 件の回答 | 0