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# Abby Skofield

### MathWorks

Last seen: 3 jours ago Active since 2011

I am a software engineer at The MathWorks.

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Delta Plot
deltaplot creates multiple line segments, each showing the difference between pairs of values.

Submitted

Event Stack Chart
eventStackChart visualizes the duration of events by time-of-day or time-of-year.

How do I remove the bottom line of the axes in a saved figure?
If you do not want the axes outline to appear, you can turn it off using this command: axis off If you have an area, bar, or s...

presque 3 ans ago | 1

| accepted

What colormap is used to generate ColorOrder?
The lines command returns "the color scheme matches the default ColorOrder property of the Axes." In the default case, the follo...

plus de 3 ans ago | 1

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

environ 9 ans 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 + ...

environ 9 ans 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...

environ 9 ans ago

Solved

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

environ 9 ans ago

Solved

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

environ 9 ans 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...

environ 9 ans 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...

environ 9 ans 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. Example...

environ 9 ans ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

environ 9 ans 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 ...

environ 9 ans 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 ...

environ 9 ans ago

Solved

Given a and b, return the sum a+b in c.

environ 9 ans ago

Solved

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

environ 9 ans ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

environ 9 ans ago

Contour - washed out values
Hi Matthew - hope you have already figured this out. LevelList is indeed where you want to go. You may also want to set the CLim...

environ 9 ans ago | 0

Changing font type on a plot axis label when using 'latex' script interpreter
Hi Darren - It isn't possible to specify Helvetica as the font for the LaTeX interpreter - there is a more detailed discussion o...

environ 9 ans ago | 0

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 9 ans 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...

plus de 9 ans ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

plus de 9 ans ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 9 ans ago