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Erik


University of Twente

31 total contributions since 2011

Technical Medicine Master student (Medical Sensing & Stimulation)

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Submitted


findduplicates
Find linear indices of duplicate elements in input.

2 months ago | 0 downloads |

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Submitted


figures
A function to create multiple figure windows.

2 months ago | 0 downloads |

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Answered
What is best practice to determine if input is a figure or axes handle?
Another option I found inside the undocumented axescheck function is the specification of a type to check for when using isgraph...

2 months ago | 0

Solved


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

3 months ago

Solved


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

3 months ago

Question


Push to remote repo on GitHub: my account has two-step verification turned on, not authorized error
I've enabled two-factor authentication (aka two-step verification) for my GitHub account. Whenever I login to GitHub, I should b...

3 months ago | 0 Answers | 0

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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 ...

3 months 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...

3 months 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 ...

3 months 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...

3 months ago

Solved


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

3 months ago

Solved


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

3 months 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 ...

3 months 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...

3 months ago

Answered
How to get the mean of ROC curves using Matlab?
I guess the matrix rows are the ROC-curves, each a number of elements in every column (ans a few NaN after the 1). Then you coul...

3 months ago | 0

Question


What is best practice to determine if input is a figure or axes handle?
I've been confused about MATLAB graphics since change to the new graphics system. I do not know how I can check for a variable b...

4 months ago | 2 Answers | 0

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answers

Answered
How to use medfilt1 on different computers
Using a function from a toolbox you have not installed on a different computer is not allowed. You could implement your own 1-D ...

4 months ago | 0

Question


Where do I find the MATLAB Online terms of access?
I want to review the MATLAB Online terms of access. I accepted them the first time I logged in to matlab.mathworks.com, but now ...

4 months ago | 1 Answers | 0

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answer

Answered
Is it allowed to publish an extension to a built-in function on File Exchange?
In the meantime I could solve the problem as follows, which is allowed I believe: At the point(s) where I want to insert code...

4 months ago | 0

Question


Is it allowed to publish an extension to a built-in function on File Exchange?
I have a great idea for additional functionality of a built-in function from a MATLAB toolbox. For this extension to work, I'd n...

4 months ago | 4 Answers | 0

4

answers

Question


Bug? Datetime creation produces both NaT and 1-Jan-1970 values.
When I run the following code in either R2014b or R2016a I get: clear d, d(:,2) = datetime(randi(10,5,3)) d = NaT ...

9 months ago | 1 Answers | 0

1

answer

Question


Using datetime in R2014a (prior to its introduction in R2014b)
The |datetime| class was added in MATLAB R2014b. However, the version I'm forced to use on a work computer is R2014a, unfortunat...

1 year ago | 1 Answers | 0

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answer

Question


Figures don't resize, but axes do (with almost the same commands)
I resize axes to a certain resolution (seconds per centimetre) and I try to resize the figure's size accordingly. The figure won...

1 year ago | 0 Answers | 0

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answers

Question


MATLAB doesn't exit, all windows close, but MATLAB.exe persists in Task Manager
Well, the title says it all. Is this a common problem? What could cause and fix this? I'm on Win8x64 and I use R2014b. When I...

1 year ago | 1 Answers | 0

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answer

Question


I can't run Activate (Mac OS X 10.10) to reactivate expired MATLAB license
I can't run the license activation application (Activate from MATLAB.app -> show package contents). My computer (Mac OS X 10.10)...

2 years ago | 1 Answers | 0

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answer

Responded


Re: save figures without displaying
This is a new solution based on the solution by Jesse Hopkins in post 15. I tried the 'ResizeFcn' trick, but it fails on my ins...

2 years ago | 59600 views

Responded


Re: save figures without displaying
Welcome to 2015 to this thread. In the latest MATLAB release (R2014b) openfig.m seems to have changed, because the code Yuri ref...

2 years ago | 59600 views

Answered
linear fit of a semilog graph
You should sort the values in Ntot using [Ntot,i] = sort(Ntot); and sort Ftot accordingly using Fto...

2 years ago | 0

| accepted

Answered
Create a Simulink model with script
Use block = add_block(...); to get the block handle. Set parameters using set_param(block,param,value) Where ...

2 years ago | 0

| accepted

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:...

2 years ago

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