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Jakob B. Nielsen


Last seen: 3 meses ago
89 total contributions since 2019

Jakob B. Nielsen's Badges

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Answered
How can I create a listbox with the content of an structur/array?
You create the listbox inside a loop. That means every loop iteration, you make a listbox on your selected position with only th...

5 meses ago | 0

Answered
How to do Weighted Historical Simulation?
I think you just need to move your parantheses in the function, to contain the entire logic statement. function [VaR,n_tau] ...

5 meses ago | 0

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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.

8 meses 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...

8 meses 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.

8 meses 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...

8 meses 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%...

9 meses 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...

9 meses ago | 0

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

9 meses 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...

9 meses 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...

9 meses 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...

9 meses ago | 1

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Answered
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...

9 meses 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...

9 meses 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...

9 meses 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...

9 meses 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...

9 meses 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...

9 meses 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.

9 meses 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...

9 meses ago | 0

Answered
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 ...

9 meses 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...

9 meses ago | 0

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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: ...

9 meses 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...

9 meses 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...

10 meses 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...

10 meses 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...

10 meses 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...

10 meses 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...

10 meses 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...

10 meses ago | 0

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