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Jakob B. Nielsen


Last seen: 20 dagen ago
87 total contributions since 2019

Jakob B. Nielsen's Badges

  • 6 Month Streak
  • Knowledgeable Level 3
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Answered
Oscillations - Determining amplitude and frequency values
Take a look at the builtin fourier analysis which is just perfect for an application such as the one you describe.

ongeveer een maand ago | 0

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How to publishing script with function
Your question is a little vague, but if you mean what I think you mean - namely to compile a script but for the compiled version...

ongeveer een maand ago | 0

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plot values in the loop
do plot(k,d,'o-') instead, that will give you o's connected by lines.

ongeveer 2 maanden ago | 0

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Setting position of Annotation on an axes component
Hi Jason, When you get the position of an axes, the first and second index are the start location of your axes in the x and y d...

ongeveer 2 maanden ago | 0

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Continue if file doesn't exist - pop_loadset
Use the exist or isfile functions. E.g. for i = sub for j = run if exist(['.../2_correctTriggers/',sprintf('p0%...

2 maanden ago | 1

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Answered
How do i create a variable as index for vector m for my code below.
Your issue is that if you make a for loop for 0.1 to 1000, and then use that same counter as an index, when you then type M(omeg...

2 maanden ago | 0

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plot vector with string timestamp
Take a look at the datetick function.

2 maanden ago | 0

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Sum of signals and filter the sum and recuperate the inicial frequencies
Making the simulated signal is quite simple. First, make a vector t which covers the time domain you are interested in. Then, ge...

2 maanden ago | 1

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Answered
Multiple Input/output function to excel
You can achieve this in many ways. The simplest way would be to just create arrays of your input ranges, for example in2=0:0.0...

2 maanden ago | 1

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compiling Matlab files not clear
Hi farzad, It is definitely possible to compile an m file to a standalone exe file, for example in the form of a GUI / app. Whe...

3 maanden ago | 1

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Can Matlab handle segmented graphs and automatic trendlines?
The answer to all four questions is yes. You can execute several plots in the same figure, as well as on the same axes (axes i...

3 maanden ago | 1

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Answered
How to centre textboxes on the plot outline?
First, make a handle for your figure: ax=axes; plot(ax,t,x); Next, when you set the dimensions of your textbox, refer b...

3 maanden ago | 1

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Answered
scalar vs nonscalar structure: advantages?
There are probably people out there much smarter than me, so take this with a grain of salt. If it were me, I would choose tha...

3 maanden ago | 0

Answered
How to combine multiple files into one .csv
If I run your code and pause it after the first execution of the for loop, the num variable is empty, so something might be up w...

3 maanden ago | 0

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Answered
How to plot multiple vertical lines at specific points on x axis?
By default, matlab replaces plots on an axes instead of adding. However, if you set hold on, it will add instead of replacing, l...

3 maanden ago | 0

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Legend position according to axes
You can specify the position of your legend yourself with coordinates, rather than using a predetermined location. First two coo...

3 maanden ago | 0

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Read out parameter values of a polynomial compensation curve.
myfit=fit(x,y,'poly3'); From there you can extract the coefficients as myfit.p1, myfit.p2 etc.

3 maanden ago | 0

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Vectorized alterlative to identify duplicate elements in an array
Logical indexing for every instance, then convert the logical output to doubles and sum it (since you cant sum logicals), and fi...

3 maanden ago | 0

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How to change Y-axis in subplots of Boxplot on the same figure
You need a reference back to each inidividual subplot. Right now, your subplot1 label is overwritten each time, so you can only ...

3 maanden ago | 0

Answered
Animating an m-file to show a rectangle filling up
I don't know what kind of animation you are looking for, but something quick and simple would be to insert a pause after every p...

3 maanden ago | 0

Answered
how to load multiple files and do the computation for each of them and write the output in consequent rows
Your loop will want to start with grabbing all files in a folder. uigetfile with the MultiSelect option will work wonders here: ...

3 maanden ago | 0

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Answered
I need help with my While Loop!
Index them! Either as a structure, or an array with a 4th dimension. I personally favour structures, since 4D data makes my head...

3 maanden ago | 0

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Answered
how to read images one by one from folder for operation using for loop
I like to use the multiselect function of uigetfile as an input to a for loop: [Names,Paths]=uigetfile({'*.img*'},'MultiSelect...

3 maanden ago | 0

Answered
data excel in matlab
You have an array dataExcel which has size(dataExcel,1) rows, and size(dataExcel,2) columns. The rows would correspond exactly t...

3 maanden ago | 0

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Answered
Counting specific element in one column corresponding to unique elements in an another column
You can use logic indexing. Example: length(b(a==1 & b==-1)); You get those entries from b which fulfils the condition that t...

3 maanden ago | 0

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Answered
Two x-axis for the same y-axis
You're on the right track with some of the stuff you have tabbed out. All you need is to set the x and y limits for your ax2 axe...

3 maanden ago | 0

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Answered
Help in Developing Graph.
This is case specific, but what you want to do is define the 8 interesting points, and then simply plot them. The text is less s...

3 maanden ago | 0

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Finding corresponding term from a uitable
If I recall, strcmpi needs string arrays, character vectors or cell arrays of character vectors as inputs, whereas you give it a...

3 maanden ago | 0

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Write table with UIPUT file
Try typing this bit in the command window: >> '(pname,fname)' ans = '(pname,fname)' So your path is a string named (pna...

3 maanden ago | 0

Answered
How can I splitt up a big matrix into smaller matrises, splitting it up by values on the x-axis
Logical indexing will help you here - a for loop is also possible but would be much more complicated. Lets call your initial m...

3 maanden ago | 0

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