Bernhard Suhm

MathWorks

Last seen: quasi 2 anni fa | Attivo dal 2017

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automated feature generation with matlab?
This sounds like a good use case for applying our new AutoML capabilities. Wavelet scattering generates features automatically f...

circa 3 anni fa | 0

Canale

AI_Workshop
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circa 3 anni fa

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I want to use Aspentech IP.21 data to hourly perform advanced calculations for losses in cooling. How to best do it?
You can try this Aspen Plus - MATLAB connector that someone posted on File Exchange, but isn't officially supported by MathWorks...

circa 3 anni fa | 0

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Are GAMs supported by statistics toolbox?
With the recent R2021a release, support for GAM has been added to the Statistics and Machine Learning toolbox. See GAM for class...

circa 3 anni fa | 0

Inviato

Heart Sound Classifier
Heart Sound Classification demo as explained in the Machine Learning eBook, but now expanded to demonstrate Wavelet scattering

oltre 4 anni fa | 32 download |

Risolto

Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

oltre 4 anni fa

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Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

oltre 4 anni fa

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Classification learner - identify false prediction indexes
Unfortunately, that isn't supported directly in the Classification Learner. But you can export your trained model to the MATLAB ...

oltre 4 anni fa | 0

| accettato

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

oltre 4 anni fa

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

oltre 4 anni fa

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

oltre 4 anni fa

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

oltre 4 anni fa

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

oltre 4 anni fa

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

oltre 4 anni fa

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

oltre 4 anni fa

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Add two numbers
Given a and b, return the sum a+b in c.

oltre 4 anni fa

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Principal Component for Shape Analysis.
Per documentation of pca, your "Mode" are " .. the representations of X in the principal component space. Rows of scorecvorrespo...

circa 5 anni fa | 0

| accettato

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precision recall curve from Bag of Visual words classifier
You need to systematically vary the threshold (or related parameter) determining whether you accept or reject the detection. You...

circa 5 anni fa | 1

| accettato

Risposto
Why identical outputs despite different inputs to a machine learning models
Of course it could predict the same category for different kinds of inputs, especially if there aren't a lot of categories... Or...

circa 5 anni fa | 0

Risposto
Sequentialfs, the squential feature selection function of matlab
You determine which model it uses by how you define the function fun that calculates a criterion based on training and test data...

circa 5 anni fa | 0

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Adding a machine learning algorithm
The Learner Apps are targeted at casual users, empowering them to train classification and regression models without writing cod...

circa 5 anni fa | 0

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How to check after completing the Image Processing Machine Learning program.
Your code isn't complete - it references custom functions you (or your teacher) defined somewhere else such as trainImageCategor...

oltre 5 anni fa | 0

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Is it possible to combine two neural networks in MATLAB?
MATLAB has an AdditionLayer that allows you to combine outputs of two separate strands in your deep learning network. With R2018...

oltre 5 anni fa | 3

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How can I use the PCA function to find the principle components of a variable?
You'll get the loadings for your variables. But think about whether applying PCA this way to your data makes sense. We'll expect...

oltre 5 anni fa | 0

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Can someone tell me if there is an error in fitcdiscr function?
LDA fits normal distributions with the same covariance. QDA allows different covariances. Fitting normal distributions including...

oltre 5 anni fa | 0

| accettato

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Display bug with confusionchart for percentages summary
Many machine learning related charts will start to show some weird behavior if you try to visualize a lot of classes. If you are...

oltre 5 anni fa | 0

| accettato

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Long time to process - fit copula model
Sounds like you need to bring some parallelization to bear. If your computer had multiple cores, you could leverage them if you ...

oltre 5 anni fa | 0

| accettato

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question about determining the correct number of clusters (documentation)
You can use the silhouette plot or evalclusters function to evaluate the quality of your clustering. There's a little more info ...

oltre 5 anni fa | 0

Risposto
Help, how can get result of classification using SVM with csv files ?
Use csvread to read those files into an array or table, train (or "fit") an SVM model on the trainings set using fitcsvm, and th...

oltre 5 anni fa | 0

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question about k-means clustering metric choice
If you have any further questions, follow up. Otherwise, can you kindly "accept" Walter's answer?

oltre 5 anni fa | 0

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