解決済み

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

13年以上前

解決済み

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

13年以上前

解決済み

Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

13年以上前

解決済み

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

13年以上前

解決済み

Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

13年以上前

解決済み

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

13年以上前

解決済み

radius of a spherical planet
you just measured its surface area, that is the input.

13年以上前

解決済み

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

13年以上前

解決済み

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

13年以上前

解決済み

inner product of two vectors
inner product of two vectors

13年以上前

解決済み

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

13年以上前

解決済み

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 = ...

13年以上前

解決済み

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

13年以上前

解決済み

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]

13年以上前

解決済み

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

13年以上前

問題

Create a "map" of 2D wavelet coefficients
Generate a matrix that for an image of size r*2^S by c*2^S indicates index of the wavelet subbands after <http://en.wikipedia.or...

13年以上前 | 0 | 5 個のソルバー

解決済み

Create a "map" of 2D wavelet coefficients
Generate a matrix that for an image of size r*2^S by c*2^S indicates index of the wavelet subbands after <http://en.wikipedia.or...

13年以上前

解決済み

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

14年弱前

問題

1D DCT-II transform.
Implement a function that calculates 1D Discrete Cosine Transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II...

14年弱前 | 1 | 22 個のソルバー

解決済み

1D DCT-II transform.
Implement a function that calculates 1D Discrete Cosine Transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II...

14年弱前

問題

Rearrange coefficients after block based DCT transform.
Two dimensional block-based discrete cosine transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II (DCT-II)> i...

14年弱前 | 0 | 4 個のソルバー

解決済み

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

14年弱前

解決済み

Rearrange coefficients after block based DCT transform.
Two dimensional block-based discrete cosine transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II (DCT-II)> i...

14年弱前

解決済み

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

14年弱前

解決済み

Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

14年弱前

解決済み

Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

14年弱前

解決済み

DC chopper
Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then...

14年弱前

解決済み

Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

14年弱前

解決済み

Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

14年弱前

解決済み

Is my wife right?
Regardless of input, output the string 'yes'.

14年弱前