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only input
Return the output without writing any code into the function.

casi 13 años hace

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Dots in a Circle
Return how many integer grid points there are inside a circle of radius _r_ centred at (0,0) (including points on the edge). ...

casi 13 años hace

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

casi 13 años hace

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

casi 13 años hace

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All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

casi 13 años hace

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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

casi 13 años hace

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Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

casi 13 años hace

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Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

casi 13 años hace

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pressure to dB?
given x ratio of pressure, find corresponding y dB

casi 13 años hace

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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. ...

casi 13 años hace

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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

casi 13 años hace

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

casi 13 años hace

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

casi 13 años hace

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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...

casi 13 años hace

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

casi 13 años hace

Respondida
Use abslolute colormap scale.
Hi. [x,y]=meshgrid(-7:.02:7); f=x.^2+y.^2; imshow(f,[23 47]) colormap(jet)

casi 13 años hace | 1

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

casi 13 años hace

Respondida
Logic issues for creating a random walk
Hi. plot([x1 x2],[y1,y2]) For all lines: xCor = rand(1,10) yCor = rand(1,10) Cor = [xCor; yCor] subplot(1,...

casi 13 años hace | 0

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

casi 13 años hace

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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...

casi 13 años hace

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

casi 13 años hace

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

casi 13 años hace

Respondida
Variance and mean isn't calculated properly
Hi. Your noise is very large and the output image must be between 0 and 1, so the values greater than 1 became 1 and values les...

casi 13 años hace | 1

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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 ...

casi 13 años hace

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

casi 13 años hace

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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 ...

casi 13 años hace

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Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

casi 13 años hace

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

casi 13 años hace

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

casi 13 años hace

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

casi 13 años hace