Community Profile

photo

Jeffrey Eymer


36 total contributions since 2018

Jeffrey Eymer's Badges

  • Knowledgeable Level 2
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return false otherwise.
for ii = 1:(L-1) if x(ii+1) > x(ii) % we have problems in the -ve numbers tf= true ; else ...

etwa ein Jahr ago | 0

| accepted

Answered
In what version of Simulink was block searching added?
This feature was added in <https://www.mathworks.com/help/releases/R2014b/simulink/release-notes.html 2014b>. It is the first...

etwa ein Jahr ago | 0

Answered
Pie chart color assignment
<https://www.mathworks.com/help/matlab/ref/pie.html Pie> ignores non-positive values. Therefore, both arrays you declare are tre...

etwa ein Jahr ago | 0

| accepted

Answered
Creating plot over the Box plot
You are misunderstanding how the arguments to boxplot are used. boxplot(values, [500]) does not actually move the box plot to th...

etwa ein Jahr ago | 1

| accepted

Answered
How can I plot with a different axe
You should be able to accomplish this using the <https://www.mathworks.com/help/matlab/ref/xlim.html xlim> function.

mehr als ein Jahr ago | 0

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

mehr als ein Jahr 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...

mehr als ein Jahr ago

Solved


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

mehr als ein Jahr ago

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 ...

mehr als ein Jahr ago

Solved


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

mehr als ein Jahr ago

Solved


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

mehr als ein Jahr ago

Solved


Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

mehr als ein Jahr 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...

mehr als ein Jahr ago

Solved


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

mehr als ein Jahr 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...

mehr als ein Jahr ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

mehr als ein Jahr ago

Solved


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

mehr als ein Jahr 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...

mehr als ein Jahr ago

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 + ...

mehr als ein Jahr 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.

mehr als ein Jahr ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

mehr als ein Jahr ago

Solved


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...

mehr als ein Jahr ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

mehr als ein Jahr ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

mehr als ein Jahr ago

Solved


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

mehr als ein Jahr ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

mehr als ein Jahr 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...

mehr als ein Jahr ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mehr als ein Jahr ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

mehr als ein Jahr ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mehr als ein Jahr ago

Load more