Jason Nicholson

John Deere

Last seen: 5 månader ago | Active since 2012

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I am a Mechanical Engineer. Professional Interests: Mechanical systems, data analysis, Simulink, hydraulics, Finite Element Analysis, Computational Fluid Dynamics, System Identification, Signal Processing, programming, machine learning, data analytics. If you send me a message, I am likely to get back to you. :)

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Solve the system the differential equation with time-delays
Check out dde23. You need to write ddefun(t, y, Z).

mer än ett år ago | 0

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Timeseries, Timetable, timeseriescollection, Time Data Aggregation
When recording data in a test lab, the data channels are not always sampled at the same rate and some channels are not evenly s...

ungefär 2 år ago | 1 answer | 0

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answer

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Epsilon Algorithm for Computing Padé Approximant
I am looking for a MATLAB implementation of the Epsilon Algorithm (theorem 1 from here). When I look at the Wikipedia page for P...

mer än 3 år ago | 1 answer | 0

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Answered
How to estimate weights of the weighted mean?
Put all the each x and y pair on a row. Formulate the matrix A containing all the x1...x81 and x values. Put the y values in a c...

nästan 4 år ago | 0

Answered
quadprog different output for R2020a and R2017a
There is an option called 'LinearSolver'. It can be dense or sparse. I set it to sparse and it converged quickly. This problem ...

mer än 4 år ago | 1

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Answered
Interpolation help please!
clc; clear; close all; t = [2 4 6 8 10]; x = [2 3 4 5 6]; y = [-1 2 1 3 -1]; F1 = griddedInterpolant(t,x); F2 = gridd...

mer än 4 år ago | 1

Answered
How can I capture a screenshot WITH the cursor displayed in Matlab?
Record the screen using Screen Recording in PowerPoint? A screen capture won't work but a screen recording will.

mer än 4 år ago | 0

Answered
Simulink Projects dependency analysis of mex file doesn't show all required C source files
File an enhancement request with Mathworks. However, I don't think they want to support the Dependency analysis of C/C++ files b...

mer än 4 år ago | 0

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Answered
How to Keep Nested For Loop Indexes From Equaling Each Other
Use the continue keyword. for i=1:50 for j=1:50 if j==i continue; % breaks the inner for loop at t...

mer än 4 år ago | 0

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MATLAB Detection of Compiler
See comments above for answer.

ungefär 6 år ago | 0

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MATLAB Detection of Compiler
How does MATLAB detect the compiler in 2016b or newer? I have written a custom compiler configuration xml file. mex.getCompil...

ungefär 6 år ago | 1 answer | 0

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Please Explain the new File Exchange Versioning Number
The new File Exchange versioning uses four numbers. Please explain what each number represents. For example, |2.1.4.2|.

mer än 6 år ago | 1 answer | 0

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S-Function Backward Compatibility
Can an S-function compiled in 2018a be used in a model in 2013b? Please cite the documentation if you know the keywords to fi...

mer än 6 år ago | 1 answer | 0

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Reformulate a Constrained Linear Least Square Problem
I have a problem of the form <</matlabcentral/answers/uploaded_files/119361/Clipboard01.png>> Normally you solve it like t...

mer än 6 år ago | 2 answers | 1

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Bug Tracker for Simulation Models
I am looking at tracking bugs in simulation models and m code. Is there a bug tracker that you would recommend for use with MATL...

mer än 6 år ago | 1 answer | 0

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How can we generate code from simulink model by command line in windows?
See the simulink documentation. Specifically, <https://www.mathworks.com/help/simulink/functionlist.html?s_cid=doc_ftr Functi...

mer än 6 år ago | 0

Answered
intersection mesh plot (3D)
Without more information, I can only provide hints. Here you go: * If the two surfaces can be thought of as mathematical func...

mer än 6 år ago | 1

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Answered
Assign variable to Initialization/Current Workspace
Yeah, don't do this. It will cause you pain. The Simulink tools that track where your variables come form cannot track where you...

mer än 6 år ago | 0

Answered
What are your thoughts on Simulink libraries that link to themselves?
I don't like this behavior. I think it is troublesome and easy to break. I am a blockset author and I don't see how this is good...

mer än 6 år ago | 0

Answered
Persistence in Lookup Table Data
I found a solution. I posted it to the File Exchange as linked below. The solution is to use |UserData| of a block to store the ...

mer än 6 år ago | 0

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Persistence in Lookup Table Data
I load several large multi-dimensional lookup tables in the initialization of a subsystem that has lookup table blocks. The look...

mer än 6 år ago | 1 answer | 0

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Answered
Sundials Solver in MATLAB/Simulink
Support for Sundials is limited in SimBiology. There is no hint that this will be more broadly available anytime soon. Hint a...

mer än 6 år ago | 0

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Managing High Levels of Variation in a Simulink Library
I am a blockset author similar the authors of "Aerospace Blockset" and "Powertrain Blockset." I build mathematical models of hyd...

mer än 6 år ago | 1 answer | 0

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Answered
Managing High Levels of Variation in a Simulink Library
Mathworks responded to my question. Here is the response. |__________________| Answer to question 1: Don't use the conf...

mer än 6 år ago | 0

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Why does the initialization function in a Simulink subsystem block use an integer rather than the corresponding text string?
There is an example Simulink file attached. I created a parameter on the "Parameter & Dialog" tab called |Parameter1|. |Paramete...

mer än 6 år ago | 2 answers | 0

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Answered
Why does the initialization function in a Simulink subsystem block use an integer rather than the corresponding text string?
To use the text string coming from the popup options, turn off the "evaluate" checkbox as shown below. This allows comparison of...

mer än 6 år ago | 1

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Question

Assign variable to Initialization/Current Workspace
In the mask of a simulink block, I need to loop over a list of variables and values assign them into the initialization workspac...

mer än 6 år ago | 1 answer | 0

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Why does the Simulink block mask initialization run twice?
The initialization runs twice if "Icons & Ports"-->"Run initialization" is set to "On" or "Analyze" (assuming MATLAB detects the...

mer än 6 år ago | 0

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Answered
Using Deval with Simulink Output
No, there is not an obvious way to use Deval with Simulink output. However, you can use "Configuration Parameters"-->"Data Impor...

mer än 6 år ago | 0

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What are your thoughts on Simulink libraries that link to themselves?
What are your thoughts on Simulink libraries that link to themselves? They seems to break quite often as you are developing them...

mer än 6 år ago | 1 answer | 0

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Jason Nicholson

John Deere

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