Risolto

Number of Circles in a Number
Given a number, return the number of closed 'circles' in the base 10 numerical representation. Note: the number 4 has no circ...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

Find best domino orientation
Given a list of pairs, find the orientation they should be placed in a line, such that the sum of the absolute values of the dif...

circa 12 anni fa

Risolto

Choose the best fitting dominoes
You will be given a cell array of nx2 matrices. Choose one row from each matrix. These are the ordered pairs that will be plac...

circa 12 anni fa

Risolto

Find best placement for ordered dominoes (harder)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

circa 12 anni fa

Risolto

Rotate and display numbered tile
Imagine a square tile with four numbers on it, one on each edge. We will call these edges north, east, south, and west. If th...

circa 12 anni fa

Risolto

Least common multiple of many numbers
1:6 -> 60

circa 12 anni fa

Risolto

Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

circa 12 anni fa

Risolto

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

circa 12 anni fa

Risolto

Detect a number and replace with two NaN's
Write code which replaces the number 1 with two NaNs. Example X = [ 1 2 NaN 4 1 3 7 NaN 1 4 NaN 2] ...

circa 12 anni fa

Risolto

Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

circa 12 anni fa

Risolto

Determine the length of a string of characters
Determine the length of a string of characters

circa 12 anni fa

Risolto

Mechanical Advantage of a Gear Train
Calculate the mechanical advantage of a gear train. The mechanical advantage of a gear couple is given by MA = T_o/T_i where ...

circa 12 anni fa

Risolto

Largest Prime Number
Given a matrix X, find the largest prime number in X.

circa 12 anni fa

Risolto

Find perfect placement of non-rotating dominoes (easier)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

circa 12 anni fa

Risolto

Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

circa 12 anni fa

Risolto

Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

circa 12 anni fa

Risolto

Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

circa 12 anni fa

Risolto

Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

circa 12 anni fa

Risolto

kmph to mps
convert kilometer per hour to meter per second

circa 12 anni fa

Risolto

Integer to boolean
Write a general function that will create the following conversation; Input is a column vector with integers Output is a b...

circa 12 anni fa

Risolto

Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

circa 12 anni fa

Risolto

Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

circa 12 anni fa

Risolto

Split a given string from the first instance of a given character
A simple operation to split a given string into two substrings at the point where the desired character is first found. e.g. ...

circa 12 anni fa

Risolto

Count from 0 to N^M in base N.
Return an array of numbers which (effectively) count from 0 to N^M-1 in base N. The result should be returned in a matrix, with ...

circa 12 anni fa

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Lose control
Remove all characters that are below space in ASCII value.

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

circa 12 anni fa