Bernhard Suhm
MathWorks
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Feeds
automated feature generation with matlab?
This sounds like a good use case for applying our new AutoML capabilities. Wavelet scattering generates features automatically f...
más de 3 años hace | 0
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...
más de 3 años hace | 0
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...
más de 3 años hace | 0
Enviada
Heart Sound Classifier
Heart Sound Classification demo as explained in the Machine Learning eBook, but now expanded to demonstrate Wavelet scattering
alrededor de 5 años hace | 27 descargas |
Resuelto
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...
más de 5 años hace
Resuelto
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...
más de 5 años hace
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 ...
más de 5 años hace | 0
| aceptada
Resuelto
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...
más de 5 años hace
Resuelto
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 ...
más de 5 años hace
Resuelto
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...
más de 5 años hace
Resuelto
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...
más de 5 años hace
Resuelto
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...
más de 5 años hace
Resuelto
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...
más de 5 años hace
Resuelto
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 ...
más de 5 años hace
Principal Component for Shape Analysis.
Per documentation of pca, your "Mode" are " .. the representations of X in the principal component space. Rows of scorecvorrespo...
más de 5 años hace | 0
| aceptada
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...
más de 5 años hace | 1
| aceptada
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...
más de 5 años hace | 0
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...
más de 5 años hace | 0
Adding a machine learning algorithm
The Learner Apps are targeted at casual users, empowering them to train classification and regression models without writing cod...
casi 6 años hace | 0
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...
alrededor de 6 años hace | 0
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...
alrededor de 6 años hace | 3
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...
alrededor de 6 años hace | 0
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...
alrededor de 6 años hace | 0
| aceptada
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...
alrededor de 6 años hace | 0
| aceptada
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 ...
alrededor de 6 años hace | 0
| aceptada
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 ...
alrededor de 6 años hace | 0
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...
alrededor de 6 años hace | 0
question about k-means clustering metric choice
If you have any further questions, follow up. Otherwise, can you kindly "accept" Walter's answer?
alrededor de 6 años hace | 0
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