Community Profile # Rafael Cordero

Last seen: 3일 전 2020 이후 활성

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How can I specify a Min LeafSize in a decision tree and also optimize it?
Hello all, I was wondering if it is possible to optimize the decision tree hyperparameter of MinLeafSize whilst imposing a limi...

3달 전 | 답변 수: 1 | 0

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How are the folds of a 10-fold cross-validated decision tree combined to make the final tree?
Hello all, I am creating a hyper-parameter-optimized decision tree: part = cvpartition(features.label, "KFold", 10); opt = ...

3달 전 | 답변 수: 0 | 0

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When creating a table, how do I specify the dimensions of a particular variable?
Hello all, Lets say Im defining an empty table as so: my_table = table('Size', [0,7], 'VariableNames', ... ...

3달 전 | 답변 수: 3 | 0

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How can I concatenate vectors based on a grouping label contained by a separate variable?
Hello all, I have 16 test subjects. Each subject underwent a different number of tests. For each test, I have a results vector....

5달 전 | 답변 수: 1 | 0

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How to select a specific element in a table using variables corresponding to table headers
Hello all, Imagine I have the following table T: I would like to programatically extract a specific Order corresponding to a...

5달 전 | 답변 수: 1 | 0

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How can I combine strings in SIMULINK like in a MATLAB cell array?
Hi folks, Imagine I have 3 string constant blocks: How can I combine them in such a way to get something like a cel...

11달 전 | 답변 수: 1 | 0

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In Simulink, is it possible to send data to workspace in real-time using the 'ToWorkspace' block?
Hello everyone, I have a large simulink model. In this model I calculate certain variables that are essentially [1x1] constants...

12달 전 | 답변 수: 2 | 0

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Simulink Selector Block: "Invalid parameter 'Indices' specified"
Hello all, I'm getting an error on Simulink regarding the selector block. My circuit looks like this: Its a Matlab function...

약 1년 전 | 답변 수: 0 | 0

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How do I use markers (i.e. in vector form) to tell the selector block when to select certain parts of a signal?
Hello everyone, Lets say I have a vector r: r = [110, 435 978 ... 100240]. r is my vector of markers - it marks certai...

약 1년 전 | 답변 수: 0 | 0

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Simulink - Interpreted Matlab Function: How can I define that I want two inputs to my function?
I hava a function represented by the interpreted matlab function block. In the matlab function code, I have specified it has tw...

약 1년 전 | 답변 수: 1 | 0

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How can I make an enabled "to workspace" using just a variable-size signal?
In the end I just used a selector to force the variable-size signal into a fixed-size (of length equal to the original variable-...

약 1년 전 | 0

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How can I make an enabled "to workspace" using just a variable-size signal?
Hello world! I have a sequential signal processing model. It processes input biosignals in frames, and then outputs a series of...

1년 이상 전 | 답변 수: 1 | 1

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Simulink: is there a way to only run a block once a (non-zero) signal arrives to it?
Hello world, I'm doing some offline biosignal analysis on simulink. I pass an entire set of signals (e.g. 100 seconds of durati...

1년 이상 전 | 답변 수: 1 | 0

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matlab 2019b plot zoom in does not work
Also have the same problem. Pretty shocking it still hasn't been addressed...

1년 이상 전 | 0

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Strange Simulink error: "In 'Simulink:Logging:UTInvDim', parameter {1} must be a real scalar"
Title is self-explanatory, I created a model. It worked fine. I then renamed some parameters interacting with the workspace and ...

1년 이상 전 | 답변 수: 0 | 0

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Hello world! I've made the following attached signal-processing model that operates on four physiological signals via two par...

1년 이상 전 | 답변 수: 0 | 0

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How can I write a Mask parameter to the workspace in Simulink?
Hello world! I have a masked subsystem with two parameters fc_lo and fc_hi. They define the corner frequencies of a Bandpass ...

1년 이상 전 | 답변 수: 1 | 0

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Im having the same problem. Did you ever figure out how to fix this?

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Trouble understanding the Flip block in Simulink
Hello world! New to Simulink. Did a bunch of tutorials, now trying some projects. I'm having some problems with the 'Flip' b...

1년 이상 전 | 답변 수: 1 | 0

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