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jessupj


Last seen: 7 days ago |  Active since 2019

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Answered
how to throttle CPU usage for fitrgp?
(SOLVED) So... for whatever reason, restarting matlab got maxNumCompThreads to start managing usage. (Same system environment...

11 months ago | 0

| accepted

Question


how to throttle CPU usage for fitrgp?
(I hate asking something this trivial, but I'm frustrated... thanks for reading.) My gaussian process regression via fitrgp aut...

11 months ago | 2 answers | 0

2

answers

Answered
Elegantly refer to the second output from a function
what i've been doing lately, in case it's helpful to anyone, is to make a class containing my most commonly used functions that ...

12 months ago | 1

Question


which functions/argument pairs support argument passing via equality statments?
I had to look up the syntax of empirical mode decomposion emd (https://www.mathworks.com/help/signal/ref/emd.html) today while c...

1 year ago | 1 answer | 0

1

answer

Question


WHY did default linux file permissions for ${MATLAB_ROOT}/toolbox/local/pathdef.m change in R2022?
We have a multiuser linux server install of R2022b and a user recently modified ${MATLAB_ROOT}/toolbox/local/pathdef.m which aff...

1 year ago | 0 answers | 0

0

answers

Question


R2022b GUI slow and laggy in debug mode -- settings or quick fix?
We updated to R2022b from R2021a some time ago and I had reason to work in the debugger to diagnose some problems. The system i...

1 year ago | 0 answers | 1

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Answered
Can I have multiple rows of editor tabs to show all my open files?
(at least) in R2022b, there are settings to change the 'tab position' (including to a vertical list on the right side) as well a...

1 year ago | 0

Answered
Can i install a new toolbox without interruping other users' applications?
the answer is yes by default, by testing on a different system. Installing via GUI only closes down THAT session and has no eff...

2 years ago | 0

| accepted

Question


Can i install a new toolbox without interruping other users' applications?
I've been put in temporary administrative command of a multiuser machine. There are several ML projects running on it by other ...

2 years ago | 1 answer | 1

1

answer

Answered
Using integral2 where fun is a function with vector norms and summations: getting "Matrix dimensions must agree" error.
you're calling your function with an argument [x1,x2] so 'x' is a vector. inside your function, you have x-C(i,:))^2 I...

3 years ago | 0

Question


how can i plot overlapping dendrograms with manovacluster or similar manova output ?
I have reasson to try to compare mANOVA results in different ways (e.g, for comparing mahalanobis distances at different times) ...

3 years ago | 1 answer | 0

1

answer

Answered
How can I change a simple matlab code to python
learn python, and probably the numpy library.. this isn't the place for help with that.

3 years ago | 0

Answered
How to work with Matlab object's within Simulink?
see documtation for assignin to pass info from matlab to simulink perhaps? i don't know if this is helpful or something you've ...

3 years ago | 0

Answered
Solving partial differential equation of second in two variables
Context for this question is insufficient. Using matlab, are you attempting a numerical or symbolic answer?

3 years ago | 0

Question


Does exportgrahics work with simulink diagrams?
I've been using saveas(get_param(gcs,'Handle'),filename,'png') to take images (albeit low-res crummy) of simulink diagrams. ...

3 years ago | 1 answer | 0

1

answer

Answered
find center of matrix
A( 49: 51, 59:61) for a 2x2 submatrix.

3 years ago | 1

| accepted

Answered
How to solve a systems of ODE and Algebraic Equations
looks like you've got a non-autonomous DAE. with u=x(4) and y = x(5), you'd have: dx(1) = -wh.*x(1) + wh.* x(5) dx(2) = -wl....

4 years ago | 0

| accepted

Answered
How to move elements of vector
i can't think of how you might do this without a loop and maintain the matrix form. but your approach will work row-by-row for ...

4 years ago | 1

Answered
Roll a 6-Sided Die and Compute the Probability of the Sum (with bar graph)
rng('shuffle') N = 1000; % total number of rolls you want rollz=NaN(N,1); for k=1:N; rollz(k) = sum( randi([1 6],2,1) )...

4 years ago | 1

Question


simulink/simscape final state 'cannot find a matching block state to element 135' output by the same model
I have a model that contains some simulink and simcape model. The gist is: initail simulation from T0 to T1, perfrom some ana...

4 years ago | 2 answers | 0

2

answers

Question


generating/extracting a simulink restart state from system output? ?problem with 'discrete' blocks?
I need to periodically interrupt a SIMULINK model, and restart it with the the state it was in at some previous time (with some ...

4 years ago | 1 answer | 4

1

answer

Question


'keyboard' calls fail outside try..catch when try..catch contains a keyboard call
R2020a. this is driving me nuts this morning. function dummyout = check_kb(DUMMYARG) fprintf('check which keyboard\n') whi...

4 years ago | 1 answer | 0

1

answer

Question


how to disable the CLI prompt to save simulink model before closing?
I'm calling simulink through non-GUI shell. Any error or interruption of the model (eg. Ctrl+c) seems to bring up an infinite ...

4 years ago | 1 answer | 1

1

answer

Answered
How to do the following matrix multiplication and division?
(1 - Oscillator_frequency^2 / Frequency.^2)) this slash needs to be a './' or it's interpreted as a matrix inverison... htat's ...

4 years ago | 1

| accepted

Answered
how do you program the file path when you do not know where the person will save the matlab file you send them?
DIRS = dir('**/beam.tiff'); % gets a structured list of matching files % ... % additional criterion here to choose which to pi...

4 years ago | 0

Question


why isn't simulink seeing a workspace variable for initial state unless it's global?
I have a wrapper around a simulink code that i'm calling functionally. A dumbed down (not MWE, just an easier to present it tha...

4 years ago | 0 answers | 0

0

answers

Answered
How to make each component a string in one whole string?
depends on how you want your output, but i'd use the split function and then cast the returned cell into a string array Snew = ...

4 years ago | 0

Question


how can i programmatically set and adjust initial conditions in simulink the right way?
I have a simulink model to which i'm trying to implement tracking/control algorithm by re-initialization: I run the model, apply...

4 years ago | 0 answers | 2

0

answers

Answered
Simple question regarding "distance" function
from that link, it looks like the distance function is part of a toolbox. in my 2019b, distance is available from several toolb...

4 years ago | 0

Question


simulink sensitivity analysis stops using multiple cpus, not running parallel jobs correctly
i'm running a simulink model with the sensitiity analysis tools in R2019b via gui. running ubuntu 18.04 on a 24cpu workstation...

4 years ago | 0 answers | 0

0

answers

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