Carl
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20 of your answers have been accepted
Awarded to Carl on 13 Jun 2018
Answer 1 question that was unanswered for more than 30 days
Awarded to Carl on 23 Aug 2017
Provide your first answer ever to someone else's question
Awarded to Carl on 20 Jul 2017
Feeds
Default plot settings for fplot and errorbar
Instead of doing: set(groot, 'DefaultLineLineWidth', 5); use the following: set(groot, 'DefaultErrorBarLineWidth', ...
7 years ago | 2
| accepted
slack variables in optimization: a different usage
I don't believe this functionality is built into the quadprog function, or for the Optimization Toolbox in general. The closest ...
7 years ago | 0
Evaluating a function using techniques for solving linear systems
An important part of solving a linear system efficiently is to avoid explicitly calculating the inverse, if possible. In MATLAB,...
7 years ago | 0
Could not find or load the Qt platform plugin "xcb".
Try the steps below and see if they solve the issue: 1) Check whether the environment variables are the same when running fro...
7 years ago | 0
| accepted
Prior probability in binary fitcsvm to take into account different class proportions in training and test sets
Hi Alexis. Specifying a value for 'Prior' will affect the training process for the SVM, which will then make a difference in how...
7 years ago | 0
| accepted
Correct way of using kfoldLoss
The documentation page below has a good explanation of how |kFold*| functions work on cross-validated models: <https://www.ma...
7 years ago | 0
'FitPosterior' option for fitcecoc
Hi Yoshihiro. See the documentation here for the 'FitPosterior' option in |fitcecoc|: <http://www.mathworks.com/help/stats/fi...
7 years ago | 0
MATLAB Coder: Option "generate one file for each MATLAB file"
Possible solutions: # Provide both functions as an entry-point function # Use the coder.inline flag to control whether a fun...
7 years ago | 1
| accepted
Time delay spefic matrix in state space form
Hi Nicolas. I don't believe there is currently a method of doing that. See the documentation here: http://www.mathworks.com/...
7 years ago | 0
| accepted
Reset Datatip to Standard
Hi Mathias. A possible solution is to customize your |customdatatip| function to behave differently depending on which axes the ...
7 years ago | 0
MATLAB R2017a Initialization, matlabpath/matlabrc taking ~5min
Hi Marty. Try these steps and see if they help: # In the MATLAB toolstrip, click on "Home" and then on the "Preferences" butt...
7 years ago | 0
Layers of area plots?
Hi Matteo. I don't believe there's a way of doing this with the |area| function, which only operates in 2D. However, you can wor...
7 years ago | 0
I want to apply Alexnet to faster RCNN
Hi Jungmoon. The [48,48] and [128,128] indicate that the 96 channels and 256 filters are split up into two groups. This is part ...
7 years ago | 0
| accepted
error with matlab.wsdl.setWSDLToolPath
I believe you need the CXF binaries, not the source. See the page here for the relevant download links: http://cxf.apache.org...
7 years ago | 2
More efficient jsonencode for large data?
You can try following the example in this File Exchange function, which uses the MongoDB Java driver to insert a document: <h...
7 years ago | 1
How do I compare two multivariate timeseries? NARMAX?
Hi Matteo. How to compare Y_1 and Y_2 in an informative way is a very broad question, and I think it would mostly depend on what...
7 years ago | 0
| accepted
I have an audio data set in terms of frequency(Y axis) vs frame (X axis) and want to detect values above a threshold that also stays beyond the value for more than a particular interval of frames and repeat using a loop. Can someone help me with it?
Hi Niveditha. You can do this by first determining which elements of your frequency data are above the threshold, and then searc...
7 years ago | 0
How to make land surface black using ETOPO data
Hi Vincent. You can try setting the axes "CLim" property, and using a custom colormap. This will let you set everything above a ...
7 years ago | 0
How to train a network with non-image data(MNIST)?
In order to train your CNN, you must provide the images in a 4D array. See the documentation here: http://www.mathworks.com/h...
7 years ago | 3
How to create a layer using Neural Network like the C3 Layer of LeNet?
Hi Lingjun. Using the Neural Network Toolbox, you can create a convolutional neural net, and specify the number of filters to ap...
7 years ago | 0
How to group and then 3D plot a column in a matrix?
You can use the |scatter3| function and specify the color for each one of your points. See the quick example below: c = zer...
7 years ago | 0
Feature Selection by NCA for an SVM classifier
Hi Roohollah. Technically, there is no guarantee that the feature selection in |fscnca| will be applicable to an SVM. As you tou...
7 years ago | 1
| accepted
Attempt to execute SCRIPT vl_nnconv as a function
Hi, this is likely an issue with your MATLAB path. That error indicates that a script (which do not take input arguments) is bei...
7 years ago | 0
How to store Image properties: "MEAN AREA" and "AREA VARIANCE" of an Image with many closed section.
Hi Alessandro, you can use the |bwconncomp| function to do this. See the example code below. The |bwconncomp| function will iden...
7 years ago | 0
Can the predicted function (equation) created by the regression learner toolbox be output?
You can extract the final parameters and equation from the GPR model's properties. See the following page: http://www.mathwor...
7 years ago | 0
How to format the numeric data at the node of decision tree graph?
Hi Nathan. Unfortunately, as of right now there is no way to change the format of numerical data when viewing a decision tree in...
7 years ago | 2
| accepted
Vectorizing the fitness function of a genetic algorithm
Hi Atamert, I believe the way you have it structured now should work fine. If |pop| is the population size, the input to your fi...
7 years ago | 0
| accepted
Solve and Plot Second-Order Differential Equation with Initial Conditions
Hi Ismaeel, see the following documentation page for how to solve differential equations with MATLAB: <https://www.mathworks....
7 years ago | 0
JSON decode data format
Unfortunately, there doesn't seem to be a way to force the output to be a specific format. As a workaround, I'd suggest checking...
7 years ago | 0
Failed to load library libPort_ExecLoader.dll during FPGA-in-the-loop
The error states that the libPort_ExecLoader.dll library could not be found. This looks like a Xilinx library. I would recommend...
7 years ago | 0
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