SC
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Provide your first answer ever to someone else's question
Awarded to SC on 03 Dec 2019
Answer 1 question that was unanswered for more than 30 days
Awarded to SC on 03 Dec 2019
Accept 5 answers given by other contributors
Awarded to SC on 17 Mar 2019
Feeds
Question
Is there a way to extract partial derivatives of specific layers in deep learning toolbox?
Hi, I asked this question last year, in which I would like to know if it is possible to extract partial derivatives involved in...
4 years ago | 1 answer | 0
1
answerQuestion
In Deep Learning Toolbox, what input layer should I use for simple dataframe-type input?
In Deep Learning Toolbox, we can use imageInputLayer() and imageDatastore() for image-type input. How about the simplest type o...
4 years ago | 3 answers | 0
3
answersQuestion
Is it s defect that the fitcsvm() function picked some "far away" points as the support vectors?
Hi, I used fitcsvm() to run SVM on some data with Gaussian kernel. The yellow circled points are the support vector. However,...
4 years ago | 1 answer | 1
1
answerQuestion
Control system functions, e.g. pck and ss not working
Hi, From an old post I noted that pck() is now ss(). But ss() doesn't work for me either. How can I use pck()? Thanks!
5 years ago | 1 answer | 0
1
answerHow to calculate the number of parameters in MATLAB that is used by a deep learning network like VGG/ResNet
I used a function to analyse it manually. I'm not sure if there're better approaches. Here's my code for a dlnetwork object myDL...
5 years ago | 1
Question
Why would the file size of a deep learning gradient become much bigger after saving as a .mat file?
Hi, I have a variable gradients which is the gradient of a deep learning model. From the code "whos gradients" you can see that...
5 years ago | 1 answer | 0
1
answerQuestion
How to do the sum for 2 gradient objects in the deep learning toolbox?
Hi, I have gradients1 and gradients2 which have exactly same structure but different numerical values. How can I do the sum? Cu...
5 years ago | 1 answer | 0
1
answerQuestion
How to extract partial derivatives of some specific layer in the back-propagation of a deep learning model?
Say I have a deep learning model, and after training I call this model net. When I input some images into net, I want to have t...
5 years ago | 1 answer | 0
1
answerQuestion
How to efficiently do matrix multiplication for 2 specific dimensions of the tensor?
Hi, I have a rank-5 tensor A and a rank-2 matrix B, and I want to captured the first two dimentions of A as slices and do the m...
5 years ago | 1 answer | 0
1
answerQuestion
How to get the gradient with respect to the output of a specific layer in a deep learning model?
Hi, I have a model myModel which is a simple 2 Layers model (i.e. input size: 3; Layer_1 size: 7; Layer_2 size: 4). That is, t...
5 years ago | 1 answer | 0
1
answerQuestion
In the GAN example of the documentation, did we update D several times before updating G?
Hi, In the following example of GAN for the deep learning toolbox ( https://www.mathworks.com/help/deeplearning/examples/train-...
5 years ago | 1 answer | 0
1
answerQuestion
Unable to save file for Quiver
Hi, I have a quiver but I'm unable to save it by using imwrite? What should I do? (the function imwrite would be more preferabl...
5 years ago | 1 answer | 0
1
answerQuestion
How to change the marker type of a 3D scatterplot with respect to the labels?
Hi, I have the below 3D scatterplot. I want to change the marker type with respect to the different labels (e.g. plot.markertyp...
5 years ago | 0 answers | 0
0
answersQuestion
Computing distance between two set of points (under vectorized approach)
I have two matrices (two set of p-dimensional points), X1 and X2, which are n*p and m*p matrices. I want the final output Dist, ...
5 years ago | 0 answers | 0
0
answersQuestion
How to go back to the previous figure to edit?
Hi, I have figures fh1 and fh2. I want to create fh1 first, and then create fh2, but after that to go back to edit fh1. How can...
5 years ago | 1 answer | 0
1
answerQuestion
How to read the details of a '1×1 struct' Cell Array?
Hi, I have a variable called L1, which is a '1×1 struct' Cell Array. I want to extract the details of this variable, but I trie...
5 years ago | 1 answer | 0
1
answerQuestion
What is the meaning of groups in importCaffeNetwork()?
Hi, I have the caffe model and tried to import it by using this:- net = importCaffeNetwork(protofile,datafile) And then I ha...
5 years ago | 0 answers | 0
0
answersQuestion
Why can't the MSE of lasso() match the theoretical value?
Hi, I have below MSE1 and MSE2, which I got 13.27 and 5.87. Why don't they match? clear %set seed rng(123); X=10*rand([30...
6 years ago | 0 answers | 0
0
answersQuestion
How to use the current windows for the new plot?
Hi, When I run my code, everytime I need to close the current plotting windows, otherwise the next run will pop up a new window...
6 years ago | 1 answer | 0
1
answerQuestion
Why is lasso() not consistent with the answer of the normal equation?
Hi, I have below. Why is B1 different to B2? X=[1;1] y=[2;2] B1=inv(X'*X)*X'*y B2=lasso(X,y,'lambda',0) Thanks!
6 years ago | 0 answers | 0
0
answersQuestion
How to create a list?
Hi, I want to store numbers in an object A, so that when I call A(i) I can got the i-th element. But each A(i) may have diffe...
6 years ago | 2 answers | 3
2
answersQuestion
How to read the structure of a neural network in a mat file?
Hi, I have a mat file which is a neural network, and I want to know the structure of the network. I tried to open the mat fil...
6 years ago | 0 answers | 0
0
answersQuestion
How to do matching in table format?
Hi, I have some data, putting in a matrix A:- Col1 = [1;4;0]; Col2 = [2;5;2]; Col3 = [3;6;4]; A = [Col1...
6 years ago | 1 answer | 0
1
answerQuestion
The script can't continue after pause
Hi, In my script, there are "pause;" after some plots. A "pause;" commands is referring to the entire line of code. In the...
6 years ago | 1 answer | 0
1
answerQuestion
How can I download a zip file from Matlab online to my desktop?
Hi, I have a folder in Matlab online, and I zipped it as a zip file. How can I download this zip file to my desktop? I tri...
6 years ago | 2 answers | 0
2
answersQuestion
How to construct a customized outer function for 2 vectors?
Hi, I have 2 vectors, namely A (dim n) and B (dim m). I want to have some customized outer functions to give me an output of ...
6 years ago | 1 answer | 0
1
answer
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