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How to TRAIN further a previously trained agent?
In this case, you can resume your training with the previous experience buffer as a starting point. You have to set the 'SaveE...

4年以上前 | 0

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How to do the sum for 2 gradient objects in the deep learning toolbox?
As in this case, 'gradients1.Value' and 'gradients2.Value' both are cell arrays and each one contains another cell arrays as ele...

4年以上前 | 0

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What is the error histogram in neural network matlab?
Error histogram is the histogram of the errors between target values and predicted values after training a feedforward neural ne...

4年以上前 | 3

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Is there any way to use "activations" function for a dlnetwork ?
The "activations" function supports only SeriesNetwork object or DAGNetwork object, but doesn't support 'dlnetwork' object. Ho...

4年以上前 | 0

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How to create and plot a Gaussian Dist with specified parameters?
You can follow this example to create and plot a Gaussian distribution. a = -100; b = 100; x = a + (b-a) * rand(1, 500); mu =...

4年以上前 | 0

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question about vector multiplication
The first two options of your question are performing matrix multiplication of the vectors A and B by considering them nX1 and 1...

4年以上前 | 0

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dlnetwork with two inputs
Currently, to build 'dlnetwork' object, network must contain only one input layer. Hence, in current framework you cannot conver...

4年以上前 | 0

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Average NDVI from RGB image
You can follow this example to get an idea how NDVI values are computed. https://www.mathworks.com/help/images/finding-vegetati...

4年以上前 | 0

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Lat/Lon to Row/Colmn
There are two functions which you can use. If you have the GeoTIFF file, then “geotiffread”helps to read a georeferenced graysc...

4年以上前 | 0

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how to change these parts to 0??
Assuming the dct image is ‘dct_img’ and the indexes of the sections are as shown here in this figure, you can create four inve...

4年以上前 | 0

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How to keep fix the CNN accuracy result in MATLAB?
As the training progresses, for each iteration, weights of the network got updated. Hence, after some iterations of training, wh...

4年以上前 | 0

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Difference between gTruth and pixellabeldata images
‘ImagePixelCount’ represents the total number of pixels present in the image. ‘PixelCount’ represents the number of pixels corr...

4年以上前 | 0

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How to do autocorrelation with audio signal and parameters
To perform correlation between two signals, you can use ‘xcorr’ function. In ‘xcorr’, if you provide only one input, output wil...

4年以上前 | 0

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Error in image size U-Net
In U-Net, generally the patch sizes are determined in accordance with the subsequent max-pool layers, so that the down-sampling ...

4年以上前 | 0

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Simout does not produce the timeseries data
To export data from Simulink to MATLAB workspace, you can use ‘To Workspace’ block from ‘Sinks’ in ‘Simulink’ library and set th...

4年以上前 | 1

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Gaussian pyramid vs imresize
In ‘imresize’ function, by default bicubic interpolation is used to resize an image. However, there is also option to specify th...

4年以上前 | 0

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Boost/Enhance white pixels
First, you can binarize the image and then use ‘bwmorph’ function to thicken the white lines present in the image. Format of us...

4年以上前 | 1

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Image reading and processing
After reading the image properly, you can separate the channels using this code segment. a=imread('test.jpg'); a_red=a(:,:,...

4年以上前 | 0

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Table for neural network regression
To retrieve the data from the text file, you can use “readtable” function in this way: tbl=readtable('test.txt','Format','%s%f'...

4年以上前 | 0

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Invalid Transformation in trainNetwork (on pixelLabelImageDatastore)
The error you are getting is coming from the use of “imresize” function over pixel-label image datastore object i.e. “pximds”. T...

4年以上前 | 1

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Invalid training data. X and Y must have the same number of observations for training a network with MFCC coefficients..
To use the “XTrain”and “YTrain” in “trainNetwork” function, you should reshape those properly, otherwise it will throw this type...

4年以上前 | 0

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How can i get frames of a signal using peaks as reference?
“findpeaks” function returns the values of the peaks as well as their locations. Hence, you can store both information in two ar...

4年以上前 | 0

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How to find MSE for different number of iterations when i have an audio signal
To calculate Mean Squared Error (MSE) between the two signals, first you have to calculate the difference between the two signal...

4年以上前 | 0

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Why is jordan() much slower than eig()? Both in symbolic forms
Difference between speed of two functions came from the difference between the algorithms used in the implementation of the two ...

4年以上前 | 1

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how to drive this equations in simulink ? can anyone help me?
To model differential equations in Simulink, you should follow these steps: First, make a list of all the constant valued varia...

4年以上前 | 2

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Error using plot Vectors must be the same length.
In your code, “Acceleration” and “ds_mapping”are row vectors whether “t_sec” is a column vector. Hence, you should first conve...

4年以上前 | 0

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How to remove the lines in the image?
After inspecting the script that you are using, it seems that data stored in the “input_data.txt” is stored in channels first fo...

4年以上前 | 1

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Choosing the best set of initial weights of a neural network to train all dataset
The simplest way to initialize weights and biases is to set those to small uniform random values which works well for neural net...

4年以上前 | 0

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How can I correctly use ifft2 on an image that I've used roifilt2 on?
After inspecting your code, it seems that there are two important missing steps. First, the roifilt2 function is working prope...

4年以上前 | 0

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new wavelet for cwt
From the error information you have provided, it seems that there is an undefined variable/function ‘waveso’ in your code. You c...

4年以上前 | 0

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