Jakob B. Nielsen
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Content Feed
Finding the 95% fit on an exponential graph
There really should be a clever way to extract that info! I've looked at the cftool and I can't find an easy way. There is a rat...
4 meses ago | 0
how to get unique value of datetime and sum all of the value ?
Hi Muhannad, You have made a good start, you have a list of all unique dates in your unqdate. One thing I would recommend is to...
4 meses ago | 0
| accepted
How to insert a row and shift cells down in excel
I believe you can achieve this using Excel.Run('InsertRow'); you might have to have the relevant row selected before it works...
4 meses ago | 0
how to run a code to several files in a folder?
You can manage this using for loops, provided that your datafiles are named in an incremental manner. Example, you have 10 files...
4 meses ago | 0
| accepted
scatter plotting of string data
Check https://se.mathworks.com/help/matlab/matlab_prog/convert-table-variables-containing-strings-to-categorical.html
4 meses ago | 0
| accepted
average value of group of cells in a matrix
You are on the right track! You do, indeed, want to use two for loops, because you are trying to perform operations in two dimen...
4 meses ago | 0
| accepted
plotting data with a 1*1 struct
Just play around a little bit with how you call specific indices out of a structure, it will become easy once you get the hang o...
4 meses ago | 0
Uninstall older releases of MATLAB
If you navigate to C:\Program Files\MATLAB You should see a folder for each version you have installed. I find my uninstall in ...
4 meses ago | 1
| accepted
Colouring different regions on a graph.
Plot stepwise segments of your data? For example: data=1000*rand(1000,1); data=sort(data); x=1:1:1000; start=1; figure fo...
4 meses ago | 0
| accepted
Question
sqlwrite object already exists
Greetings excellent people! (I am aware that a question already exists with roughly the same name, but it is several years old...
4 meses ago | 0 answers | 0
0
answersQuestion
ActiveX interacting with dialogue boxes
Greetings, everyone! I routinely use activex to play around with excel files via matlab, but recently I've come across a bit o...
4 meses ago | 0 answers | 0
0
answersFor loop for a function
You construct the for loop like this: for i=1:size(age,2) %by referencing your age array, you can change the age values and it ...
7 meses ago | 0
| accepted
how to combine two plots in one figure
In your code, you input the initial x and v during every loop iteration - not the most recent x and v. That is why you just get ...
8 meses ago | 0
| accepted
Question
Matlab compiler error during packaging - "no error"
Good day, fine community! I am experiencing a problem which has me kind of puzzled. I have created a GUI that I have succesful...
8 meses ago | 1 answer | 0
1
answerHow 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...
alrededor de 1 año ago | 0
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] ...
alrededor de 1 año ago | 0
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.
más de 1 año ago | 0
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...
más de 1 año ago | 0
plot values in the loop
do plot(k,d,'o-') instead, that will give you o's connected by lines.
más de 1 año ago | 0
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...
más de 1 año ago | 0
| accepted
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%...
más de 1 año ago | 1
| accepted
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...
más de 1 año ago | 0
| accepted
plot vector with string timestamp
Take a look at the datetick function.
más de 1 año ago | 0
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...
más de 1 año ago | 1
| accepted
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...
más de 1 año ago | 1
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...
más de 1 año ago | 1
| accepted
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...
más de 1 año ago | 1
| accepted
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...
más de 1 año ago | 1
| accepted
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...
más de 1 año ago | 0
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...
más de 1 año ago | 0
| accepted
