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Nathan Bblanc


Active since 2020

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Renewable energy researcher. enjoying MATLAB because of its vast capabilities, user-friendliness and supporting community

Programming Languages:
Python, Java

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  • 3 Month Streak
  • Knowledgeable Level 2
  • Thankful Level 4
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Question


Multi-Parameter function minimization with many many parameters
I am trying to minimize (find local minimum) a function of 100-1000 parameters. Generaly I realize this is nearly an impossible ...

ongeveer 16 uur ago | 0 answers | 0

0

answers

Question


2D Fourier transform- problems with the shift
I have a 2D matrix representing a fluid's density field, I am trying to see if I can present it in an intelegent way with less p...

22 dagen ago | 2 answers | 0

2

answers

Question


App running slowly after some time
I have an app that I built in MATLAB, a rather complex app with many complex features. I noticed that over time, the app becomes...

4 maanden ago | 2 answers | 0

2

answers

Question


Working with modified code -2024A
I am working with a slightly modified version of ode113 (basically we copied ode113 into a new function ode113a and made some mo...

5 maanden ago | 1 answer | 0

1

answer

Answered
Plot a time series plot in customized rectangle
nathan blanc about 2 hours ago Edited: nathan blanc about 2 hours ago plot(time,pm_1); grid off and change the size of ...

8 maanden ago | 1

Answered
How would I connect an torque screwdriver to MATLAB to simultaneously output a graph of Torque vs Time while my other code measures force from a sensor?
The answer to this depends on your hardware for torque measurments. almost any data acquisition hardware can be read using the d...

9 maanden ago | 0

Answered
Passing the output of SWITCH statement through a function
As you can see from the error message, the function "fdtd_time_reversal" is run, and encounters an error on line 187: loss = 1 ...

9 maanden ago | 0

| accepted

Question


Open Source alternative to surrogateopt
In continuation of my previous post, I am trying to do something with the surrogate optimization toolbox that seems to be imposs...

10 maanden ago | 1 answer | 0

1

answer

Question


Giving target function outputs to optimization algorithm
I have a multivariable function that I am trying to optimize the output of. The function is time-consuming so I am using surroga...

10 maanden ago | 1 answer | 0

1

answer

Question


Errors in listener callbacks
I have an app built in MATLAB App Designer. the underlying code utlizes events and listeners. my problem is this: Whenever an er...

meer dan een jaar ago | 1 answer | 1

1

answer

Question


Handle to a Property or field
Lets say I have a struct or a handle object with many properties, so that calling a property with a dot is time consuming (it i...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


fft vs nufft- scaling
I tried to do a fast fourier transform to a non-uniformly sampled data using nufft. The order of magnitude of the results was we...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Weird bug regarding UIpanel visibility
I am encountering a weird bug regarding a UIpanel disappearing off the face of the earth. the bug occurs in matlab 2022a but n...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


implementation of upwind scheme in MATLAB
More of a CFD or numerical analysis question than a proper MATLAB question but I will try my luck. I am trying to implement an ...

bijna 3 jaar ago | 0 answers | 0

0

answers

Question


license for my app
I would like to publish a MATLAB app in a journal. This journal requires that any software published there will be under one of ...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Answered
How to extrapolate between two 1x1000 matrixes in an more efficient way?
first of all there is no reason to use a loop with only one variable "j=1:1". you can simply write ExAggRev_2021CfD (1,i). more...

ongeveer 3 jaar ago | 1

| accepted

Answered
FIND PLANE IN X,Y,Z
hello patrik. if I understood you correctly, this function could help you https://www.mathworks.com/matlabcentral/fileexchange/...

ongeveer 3 jaar ago | 0

| accepted

Question


package matlab app without reveling source code
I have a MATLAB app that I would like to publish and share as a MATLAB app, but I don't want to reveal the source code. at least...

ongeveer 3 jaar ago | 2 answers | 0

2

answers

Answered
errors in compiled application
What fixed the issue for me was uninstalling matlab runtime (which was already installed) and let the app installer install it b...

ongeveer 3 jaar ago | 0

| accepted

Question


some issues with the matlab runtime
I have an app that runs smoothly when run through the app designer or compiled to a matlab app. I am now trying to turn it into ...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


changing pointer to colorful picture
I am working on an app with a drag and drop functionality. this means that buttons can be dragged by the user. at the moment, t...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


references to unsavable objects when saving
I am working on an app in MATLAB's app designer. I want to be able to save the app during a run so that the user can come back t...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


errors in compiled application
I have created an application in matlabs' app designer. when running the app through matlab (by opening app designer and clicki...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


linking properties in object oriented code
I have an object oriented code where I want to be able to link several properties in several manners. e.g. "these properties are...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Answered
acess scroll bar location
I found the answer :) each panel has a hidden property "ScrollableViewportLocation" that gives the location of the scrollbar

meer dan 3 jaar ago | 0

| accepted

Question


acess scroll bar location
Hello. In a nutshell, I want to be able to access the current location of the scrollbar in a scrollable uipanel. I know that I...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


which optimization method should I use?
I tried to look around the help sections but got a little lost I have a multi variable (~8-10 variables) function that i want t...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


window size in matlab's app designer
edit: attached the app when designing an app in the app designer (2020b), the size of the window seems to vary when I run it...

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


use vpasolve's engine without vpasolve
I have a function Y=F(X) where x and y are both 1*n vectors. I want to find X such that F(X)=[0,0....0,0]. i tried using fminco...

meer dan 3 jaar ago | 2 answers | 0

2

answers

Question


calling invisible figures without toggling visibility
i want to create a function that plots a bunch of invisible figures, and then returns figure handles, without actualy drawing th...

meer dan 3 jaar ago | 1 answer | 0

1

answer

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