photo

the cyclist


Alden Scientific

Last seen: 7 giorni fa Attivo dal 2011

Followers: 4   Following: 0

Messaggio

Head of Modeling and Statistics at Alden Scientific. Obsessive runner. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

Programming Languages:
Python, R, MATLAB, SQL
Spoken Languages:
English
Pronouns:
He/him

Statistica

All
MATLAB Answers

50 Domande
5.335 Risposte

File Exchange

1 File

Cody

24 Problemi
303 Soluzioni

RANK
15
of 300.364

REPUTAZIONE
15.652

CONTRIBUTI
50 Domande
5.335 Risposte

ACCETTAZIONE DELLE RISPOSTE
72.0%

VOTI RICEVUTI
2.958

RANK
10.402 of 20.934

REPUTAZIONE
58

VALUTAZIONE MEDIA
0.00

CONTRIBUTI
1 File

DOWNLOAD
1

ALL TIME DOWNLOAD
586

RANK
531
of 168.407

CONTRIBUTI
24 Problemi
303 Soluzioni

PUNTEGGIO
3.493

NUMERO DI BADGE
10

CONTRIBUTI
0 Post

CONTRIBUTI
0 Pubblico Canali

VALUTAZIONE MEDIA

CONTRIBUTI
0 Punti principali

NUMERO MEDIO DI LIKE

  • Treasure Hunt Participant
  • Scavenger Finisher
  • Editor's pick for Answers
  • Master
  • Introduction to MATLAB Master
  • Community Group Solver
  • First Review
  • First Submission
  • Thankful Level 5
  • 36 Month Streak
  • Revival Level 3
  • Knowledgeable Level 5

Visualizza badge

Feeds

Risposto
The symbol "1" is not a scalar in integral3
Here is one way: integral3(@(x,y,z) ones(size(x)), 0,1,0,1,0,1)

13 giorni fa | 1

Risposto
Data loaded successfully but not showing in workspace
Could it be something related to the scope of the variable? For example, did you load the variables (and run whos) while inside ...

19 giorni fa | 0

Domanda


Specifying color as hex works for plot, but not for scatter
I was caught off-guard that specifying color as a hexadecimal value works for plot(), but not for scatter(). It does seem docume...

25 giorni fa | 1 risposta | 0

1

risposta

Risposto
Logistic regression in MATLAB (without Statistics and Machine Learning Toolbox)
Logistic regression is an algorithm that can definitely be programmed in MATLAB, which is a general-purpose programming language...

2 mesi fa | 0

Risposto
Why the speed of for loop (drawnow) is much slower in R2025a than R2016a?
What is your default figure window style (which you can get with the following command)? get(groot, "defaultFigureWindowStyle")...

3 mesi fa | 0

Risposto
Help with Inequalities In Switch Statement
What is happening in the first case of your switch statement is not that it checks whether (Khat >= 0) && (Khat <= 0.14) is tr...

3 mesi fa | 0

Risposto
Can I Install a MATLAB Individual License on AWS?
Yes. See this documentation on how to Run MATLAB on Amazon Web Services.

3 mesi fa | 0

Risposto
Issues with overlapping graphs in nested tiledlayouts
I think you don't want the very first nexttile call, just after for i = 1:max(clsnum) which creates the "underneath" axes, th...

4 mesi fa | 0

Risposto
Shading area between 2 curves (x function in terms of y)
Another (I think simpler) method is to change the "view" of the axes. This way the XData and YData properties of line up with w...

4 mesi fa | 0

Risposto
Shading area between 2 curves (x function in terms of y)
I think you got yourself -- and me -- confused by swapping the definitions of what are conventionally called the X- and Y-axis. ...

4 mesi fa | 0

Risposto
How to permanently undock all future generated figures R2025a
Put the line set(groot, "defaultFigureWindowStyle", "normal"); in your startup.m file.

5 mesi fa | 2

| accettato

Risposto
can not connect to Moble MATLAB
Both MATLAB Online and MATLAB Mobile had downtime earlier today. You can check the current status at the MathWorks status page. ...

5 mesi fa | 0

Risposto
matlab online doesn't work
According to the MathWorks status page, there are currently (13:30 UTC, 10 June) issues with starting new sessions on MATLAB Onl...

5 mesi fa | 2

| accettato

Risposto
Differences between figure and uifigure (R2025a onward)
According to the Limitations section in the uifigure documentation, one cannot use the print() function on a uifigure.

5 mesi fa | 0

Risposto
Any commands about rotation where the unit of the input is radian
I don't think there is a native equivalent of rotx() that uses radian as input. You can convert radians to degrees using the rad...

5 mesi fa | 0

| accettato

Risposto
Remove duplicates from array, some first and some last
I believe this does what you want: A = [1 0; 2 0; 3 1; 4 2; 5 3; 6 3; 7 3]; [~, ia_last]...

5 mesi fa | 1

| accettato

Risposto
How to reduce the file size of MAT files?
It's not really as simple as "rounding", as the memory requirements are dependent on the data type. But, there are different num...

5 mesi fa | 0

Risposto
Cody - "server not available" when submitting solution on prime numbers question
That error does not mean your solution was not fast enough. (As I recall, there is a separate message telling you if you solutio...

5 mesi fa | 1

Risposto
How can I use table() with a variable number of columns?
I assume that data, colName, and rowName are consistently dimensioned. slice = squeeze(data(jj,:,:)); TT{jj} = array2table( sl...

5 mesi fa | 1

Risposto
problem to use compose
It's because your values are actually 0.7937 * 1.e-5. Try .. load('matlab_bb.mat') bbb=char(compose("%% %9.9f",bb));

5 mesi fa | 1

| accettato

Risposto
My students could not open an account in Matlab Online
MathWorks has been undergoing a ransomware attack for over a week. You can see updates at their status page. I know MATLAB Onli...

5 mesi fa | 0

Risposto
"No Healthy Upstream" when trying to get to Mathworks Licensing Manager
MathWorks has been experiencing a ransomware attack. You can see the status updates at https://status.mathworks.com/

5 mesi fa | 0

| accettato

Risposto
Transfer history to MATLAB 2025a
I did not know the answer to your question, so I decided to as in the AI Chat Playground. Here is what it came up with. In MATL...

6 mesi fa | 0

Risposto
Would kfold loss values vary if cross validation is performed after model training?
The predictions will be identical, as long as you use the same fold assignments: % Set seed, for reproducibility rng default ...

6 mesi fa | 0

| accettato

Risposto
How to create a pdf from the histogram
You can use the histogram function to create and plot a histogram. You can use the ksdensity function to estimate a non-paramet...

6 mesi fa | 1

| accettato

Risposto
More unexpected behavior multiplying an array with a double
Using the simpler example that @Stephen23, posted S(1).x = pi; S(2).x = sqrt(2); S.x Note that S.x is not a double array. ...

6 mesi fa | 1

| accettato

Risposto
How does one obtain the covariance matrix for the fixed effects from fitting a mixed effect model using fitlme or fitlmematrix?
A LinearMixedModel object lme has a CoefficientCovariance property, which you can obtain with lme.CoefficientCovariance This i...

7 mesi fa | 0

| accettato

Risposto
Hyperparameter optimization fitrnet not working
Per the documentation for fitrnet ... "You can use an array ResponseVarName to specify multiple response variables. (since R202...

7 mesi fa | 0

| accettato

Risposto
Shapley based feature selection
The Shapley values don't require the class labels (i.e. the actual responses) to determine feature importance. The Shapley valu...

8 mesi fa | 1

| accettato

Risolto


Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

8 mesi fa

Carica altro