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Michael Cappello


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876 total contributions since 2012

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Square a Number
Given an input x, return y, which is equal to the square of x.

11 Tage ago

Solved


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

17 Tage ago

Solved


Put two time series onto the same time basis
Use interpolation to align two time series onto the same time vector. This is a problem that comes up in <http://www.mathwork...

17 Tage ago

Solved


Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

17 Tage ago

Solved


Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

17 Tage ago

Solved


letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

19 Tage ago

Solved


Convert a structure into a string
Convert the contents of each fields into a string. Example with an input structure s with 2 fields : s.age = '33' s....

19 Tage ago

Solved


Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

19 Tage ago

Solved


String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

19 Tage ago

Solved


Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

19 Tage ago

Solved


Reverse within string
If input is a string 'yellow' the output should be 'leywol'. Locate the middle of the string and reverse the first (yel) and sec...

19 Tage ago

Solved


Decimation - Optimized for speed
This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

6 Monate ago

Solved


Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

6 Monate ago

Solved


Max index of 3D array
Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

6 Monate ago

Solved


Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

6 Monate ago

Solved


Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

6 Monate ago

Solved


find "greatest common divisor" of two integer value
A function to find Greatest Common Divisor of two integer input E.G. x=-18 y=96 output should be +6 x=-18; y=96; >>your...

6 Monate ago

Solved


Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones

6 Monate ago

Solved


Finding two missing number in 1 to n array
You are given an array of numbers from 1 to n with two missing numbers. Return the two missing numbers. Input: x=[5 2 0 1 ...

6 Monate ago

Solved


Replace x value into y value in string text.
Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

6 Monate ago

Solved


Vector Element Multiplication
Take two incoming vectors, and output the element wise multiplication of the vectors.

6 Monate ago

Solved


Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...

6 Monate ago

Solved


Reverse digits of a number
Reverse digits of a number. For example, return *321* for the input *123* . The left-hand zeros can be discarded. For exam...

6 Monate ago

Solved


Find max prime number
Given integer number n. Find the max prime number (mpn) that smaller than or equal to n. Example: n = 10 --> mpn = 7

6 Monate ago

Solved


Add the odd numbers
Add only the odd numbers of x example: x = [1 2 3 4 5] the positive numbers are: 1 3 5, so their sum is 9

6 Monate ago

Solved


intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

6 Monate ago

Solved


is the number happy?
test is a given integer number is Happy of not? answer 1 if yes or 0 is no

6 Monate ago

Solved


Encode Me From The Past
Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1...

6 Monate ago

Solved


Find the outcast
All pairs have the same difference except for one. Output the index of the latter Example: input =[0 1; 1 0; ...

6 Monate ago

Solved


Calculate the logarithm of number
Calculate the logarithm of number x

6 Monate ago

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