Jonathan LeSage

Last seen: 3 days ago | Active since 2013

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Submitted

Drawworks Electro-Mechanical Simulation for Oil/Gas Drilling
Includes two model fidelities for simulating a drawworks system for drilling applications.

2 years ago | 9 downloads |

Submitted

Analyzing the Sun's Path
Solar Position Tracking and the Analemma Phenomenon

2 years ago | 6 downloads |

Submitted

Grid Code Compliance for Renewable Resource Integration
Use MATLAB/Simulink to evaluate Grid Code Compliance, such as IEEE 1547

2 years ago | 16 downloads |

Submitted

Microgrid Energy Management System (EMS) using Optimization
Online optimization of energy storage actions in a microgrid given system constraints and pricing

2 years ago | 131 downloads |

Answered
How do I combine multiple plots in a for loop?
Add “hold on” prior to your for-loop. Adding a "hold on" command means that anything that you plot will not clear the existing...

3 years ago | 4

| accepted

Submitted

Systems-Level Microgrid Simulation from Simple One-Line Diagram
Example simple Microgrid with library of PQ-based Renewables and Diesel GenSets.

4 years ago | 114 downloads |

Answered
op-amp inverter on simulink
I took a look at the example model that you attached to your question. I saw what you mean by the square pulse does not start at...

7 years ago | 1

Answered
Help on gmdistributionfit toolbox
When you plot the |gmdistribution| fit results, did you remember to pass in both the x and y arguments to the |plot| function? ...

8 years ago | 0

Answered
why am I getting this linprog error ?
You should check the dimensions of both your 'f' vector and your 'Aeq' matrix. Both of these values are multiplied with the vect...

8 years ago | 0

Answered
The Integration of Gaussian PDF to obtain the CDF why don’t I get the correct answer?
After reviewing your code, I was able to figure out what was troubling you. The flow of your code and equations are all correct,...

8 years ago | 1

| accepted

Answered
How do I pass variables from one GUI to another
You can use the |<http://www.mathworks.com/help/matlab/ref/setappdata.html setappdata>| and |<http://www.mathworks.com/help/matl...

8 years ago | 12

| accepted

Answered
Look-up table with changing table
From what you are describing as requirements, you are correct that you need to use the <http://www.mathworks.com/help/simulink/s...

8 years ago | 1

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Answered
to find rise time, settling time, overshoot, steady-state error by a model generated in Simulink ?
I am assuming that you're already providing a step input to your Simulink model via the <http://www.mathworks.com/help/simulink/...

8 years ago | 0

Answered
Fitting exponential function, coefficients and errors
You have quite a few options that you might want to check out to improve your exponential fit! As an option within the |fit| fun...

8 years ago | 0

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Answered
How can i open SimPowersystems library in R2013b?
The Simulink component library, SimPowerSystems, is an additional package for use in the Simscape environment. You can check the...

8 years ago | 0

Answered
Need help using ODE45 and eulers function
It looks to me that you're nearly there! I found a couple of small mistakes that seems to be holding you back. Changes to you...

8 years ago | 2

Answered
how to update the value of a transfer function block during run time of simulation
Here is a link to some documentation that details several different methods in Simulink to achieve what you're looking for: *...

8 years ago | 0

Answered
Find Triggered subsystem in a simulink model
One potential method would be to generate a list of all the blocks in your Simulink model, and then find blocks which are of the...

8 years ago | 0

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Answered
How to set y-axes intercept
You can set the limits of the x-axis directly using the |<http://www.mathworks.com/help/matlab/ref/xlim.html xlim>| function. If...

8 years ago | 0

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Answered
How can I perform a K-means cluster analysis of the data inside a cell array?
The documentation of the |<http://www.mathworks.com/help/stats/kmeans.html kmeans>| function that you are trying to use requires...

8 years ago | 0

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Answered
Define colormap according to certain variable.
You can define a colormap using the |<http://www.mathworks.com/help/matlab/ref/colormap.html hsv>| function and then define the ...

8 years ago | 1

Answered
Comparison between two stairs graphs
Since you're interested in the values of the empirical CDF curves, you could use the |ecdf| function as opposed to |cdfplot|. Th...

8 years ago | 0

Answered
Estimation of parameters for a non-linear model
If you're using MATLAB 2011b or newer, you likely have access to the <http://www.mathworks.com/help/curvefit/interactive-curve-a...

8 years ago | 0

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Answered
How to put a title on a colorbar?
Using the handle for the colorbar (in your case, the variable hcb), you can locate the colorbar handle title using the |get| fun...

8 years ago | 2

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Solved

Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

8 years ago

Solved

Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

8 years ago

Answered
Poker bar graph, probability
An interesting problem for sure, as there are many methods through which you could tackle this problem. If you're relatively new...

8 years ago | 1

| accepted

Solved

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

8 years ago

Solved

Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

8 years ago

Solved

Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

8 years ago

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