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jessupj


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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...

6 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...

6 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 ...

6 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...

12 months 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...

2 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) ...

2 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.

2 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 ...

2 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?

2 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....

3 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 ...

3 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) )...

3 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...

3 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 ...

3 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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