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Agent Cooper


Active since 2012

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

ungefär 10 år ago

Solved


Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

ungefär 10 år ago

Answered
FOR loop with IF condition alternative
Thank you very much, Hikaru and Amir. Both answers were of great use.

mer än 10 år ago | 0

Question


FOR loop with IF condition alternative
I have the following code I = [1:1:10; 10:10:100]' a = size(I) limit1 = 1 limit2 = 3 limit3 = 7 ...

mer än 10 år ago | 3 answers | 0

3

answers

Question


Save paired values from a FOR loop
I have the following FOR loop I = imread('image.png') for i = 2:1:5 init = ones(i) ...

mer än 10 år ago | 1 answer | 0

1

answer

Question


Save FOR loop values in a matrix or a vector
I have the following function with two FOR loops: function Y = rot_mat(X) n = sqrt(numel(X)) for x ...

mer än 10 år ago | 1 answer | 0

1

answer

Solved


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 ...

mer än 10 år ago

Solved


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

mer än 10 år ago

Solved


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 = ...

mer än 10 år ago

Solved


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

mer än 10 år ago

Solved


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mer än 10 år ago

Solved


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...

mer än 10 år ago

Solved


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...

mer än 10 år ago

Solved


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]

mer än 10 år ago

Solved


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.

mer än 10 år ago

Solved


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

mer än 10 år ago

Question


Multiple vector output in a function
I am trying to define a function that returns two vectors. function [X, Y] = element_select(A,B,astart,astep,bstart,bst...

mer än 10 år ago | 1 answer | 0

1

answer

Solved


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

mer än 10 år ago

Solved


Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

nästan 11 år ago

Solved


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...

nästan 11 år ago

Solved


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

nästan 11 år ago

Question


Get rid of an unwanted zero element in an IF loop
I'm trying to create a function that returns only the elements in a vector which repeats exactly three times using the following...

nästan 11 år ago | 1 answer | 0

1

answer

Solved


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

nästan 11 år ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

nästan 11 år ago

Solved


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

nästan 11 år ago

Solved


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

nästan 11 år ago

Question


How to extract all the values from a while loop into a vector
I have the following function function c = nice(n) c = n while c ~= 1 if rem(c,2) == 0 c = ...

nästan 11 år ago | 2 answers | 0

2

answers

Solved


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...

nästan 11 år ago

Question


Matrix from a for FOR loop with IF conditioning
I have the following problem: A = [1 2 3; 4 5 6; 7 8 9] for i = 1:n if rem(i,2)== 0 x =...

nästan 11 år ago | 3 answers | 0

3

answers

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

nästan 11 år ago

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