Community Profile

# Amanda Irving

### MathWorks

21 total contributions since 2012

Professional Interests: The MathWorks

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How to change tooltip position in AppDesigner?
In MATLAB R2020b the tooltip shows up closer to where the mouse cursor is hovering. Ideally, this will help prevent the case w...

2 months ago | 0

Why does using 'copyobj' function with 'uitreenode' break node selection?
The bug affecting copyobj and uitreenode selection has been fixed in R2018b.

1 year ago | 0

How to accelerate the update of visible UITree Nodes
Maho, Can you give a code example of how the uitreenodes are created and what relationship they have with the 2kB of data? Als...

1 year ago | 0

How I make a pushbutton invisible in a GUI?
Starting in R2019a, there is a new component available called uiimage. You can assign an image using the ImageSource property...

1 year ago | 0

How do I use tooltip string in app designer
The name of the property to create a component specific tooltip is Tooltip app.buttonGetFile = uibutton; app.buttonGetFile.T...

2 years ago | 0

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...

8 years 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...

8 years 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...

8 years ago

Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

8 years 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...

8 years 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 ...

8 years ago

Solved

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

9 years 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...

9 years 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...

9 years ago

Solved

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

9 years ago

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...

9 years 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 ...

9 years 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 ...

9 years ago

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...

9 years ago

Solved