Resuelto

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: ...

más de 12 años hace

Resuelto

Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

más de 12 años hace

Resuelto

Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x=123045; x_vec=[1 2 3 0 4 5]; I happened upon a trick to do ...

más de 12 años hace

Resuelto

Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

más de 12 años hace

Resuelto

Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

más de 12 años hace

Resuelto

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

más de 12 años hace

Resuelto

Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

más de 12 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 12 años hace

Resuelto

No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

más de 12 años hace

Resuelto

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...

más de 12 años hace

Resuelto

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

más de 12 años hace

Resuelto

Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

más de 12 años hace

Resuelto

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

más de 12 años hace

Resuelto

BULLSEYE Part 3: Reference Problem 18 BULLSEYE
Given n (always odd), return output a that has concentric rings of the 69s and 0s around the center point. Examples: Input ...

más de 12 años hace

Resuelto

Temperature conversion
Convert temperature in degrees Celsius (C) to temperature in degrees Kelvin (K). Assume your answer is rounded to the nearest Ke...

más de 12 años hace

Resuelto

What percentage?
Calculate the output c as the percentage of a on b for given a and b.

más de 12 años hace

Resuelto

communication with other softwares
Hello all, Please i'll like to know how to use MATLAB to communicate with other software like FEA and CFD software? Thank ...

más de 12 años hace

Resuelto

Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

más de 12 años hace

Resuelto

Back to basics 25 - Valid variable names
Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

más de 12 años hace

Resuelto

Back to basics 5 - Clipboard
Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

más de 12 años hace

Resuelto

Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

más de 12 años hace

Resuelto

Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

más de 12 años hace

Resuelto

Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

más de 12 años hace

Resuelto

Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

más de 12 años hace

Resuelto

Distance walked 2D
Suppose you go from x-y coordinates [3,4] to [0,0] to [0,1] to [1,1], then you walked 7 units of distance.

casi 13 años hace

Resuelto

Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

casi 13 años hace

Resuelto

Back to basics 26 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

casi 13 años hace

Resuelto

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

casi 13 años hace

Resuelto

Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

casi 13 años hace

Resuelto

Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

casi 13 años hace