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Value to differentiate must be a traced dlarray scalar.
Hi @Fisehatsion Mesfin The error "Value to differentiate must be a traced dlarray scalar" occurs because: Missing ‘dlfeval ‘C...

5 mois il y a | 0

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Apply boundary condition (upper and lower limit) to parameters during the fitting using the function nlinfit?
Hi @Manuel, The ‘nlinfit’ in MATLAB does not support parameter bounds directly . However, if you are required to use ‘nlinfit’...

6 mois il y a | 0

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Split image dataset into two separate folders
Hi @Andrea Daou, Image dataset can be split into training and testing folders by physically copying the files into two separat...

6 mois il y a | 0

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Apply boundary condition to parameters during function nlinfit ?
Hi @Ergahani, Yes, the standard ‘nlinfit’ function in MATLAB does not natively support constraints or boundary conditions on th...

7 mois il y a | 0

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Schwartz-Smith model using SSM
Hi @Todd, The Schwartz-Smith 2-factor model decomposes the log spot price of a commodity into two components: Long-term equil...

7 mois il y a | 0

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Whether the IFFT points in the example HDL OFDM Transmitter can be adjusted
Hi @yafei, To achieve a higher data rate in the OFDM system, increasing the number of active subcarriers from 72 to 1000 is a v...

7 mois il y a | 0

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[wireless waveform generator] how to read its Constellation Diagram
Hi @Xiaolei, Your expectation is valid — when generating a waveform using MCS4 (16-QAM, rate 1/2), you should ideally see the r...

7 mois il y a | 0

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Regarding Lagrange Multiplier in SVM
Hi @charu shree, To predict the labels for your test data (e.g., a 404 × 4 matrix), using SVM trained in a one-vs-all settin...

7 mois il y a | 0

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Datafeed toolbox history function with specified period 'nil_value' doesn't work
Hi @Maite, This behavior is likely due to how Bloomberg handles future dates and the interpretation of the 'nil_value' paramet...

7 mois il y a | 0

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How to utilize all resources assigned by slurm on HPC
Hi @Larry Pierce, When submitting MATLAB jobs on an HPC cluster like Hyak using SLURM, it's important to distinguish between ...

7 mois il y a | 0

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Adding White Gaussian Noise to an Image.
Hi @Toqeer Mahmood To add white Gaussian noise to an image, first calculate the signal power of the image. Then, convert the de...

7 mois il y a | 0

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complex morlet wavelet frequency representation
Hi @Shamim, The code below performs a comparative time-frequency analysis using complex Morlet wavelets. It illustrates two m...

7 mois il y a | 0

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Inverse sigmoid fit!
Hi @Panos Ale, The code provided currently fits a quadratic curve using MATLAB’s “nlinfit” function, which is not a sigmoid fu...

7 mois il y a | 1

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Adding White Gaussian noise
Hi @imi kh, To add white Gaussian noise at an SNR level of 5 dB to an image, first calculate the signal power of the image. The...

7 mois il y a | 0

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ModulationClassificationWithDeepLearningExample Expected InterpolationFactor to be integer-valued
Hi @Rev, The “dsp.SampleRateConverter” function in MATLAB requires both the “InterpolationFactor” and “DecimationFactor” to b...

7 mois il y a | 0

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FIt an inverse equation
Hi @Giru Mishra , To visualize the model log⁡(y)=3log⁡(x)\log(y) = \frac{3}{\log(x)}log(y)=log(x)3 alongside your data in a ...

7 mois il y a | 0

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How to convert multiplicative noise into additive white guassian noise ?
Hi, to convert multiplicative noise into additive white Gaussian noise (AWGN) using log transformation, you can follow these ste...

8 mois il y a | 0

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How to plot performance graph after CNN training
Hi, the current code does not include instructions to plot the performance graph (training progress, accuracy, loss, etc.). Howe...

8 mois il y a | 0

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How to generate complex additive white Gaussian noise with the mean 0 and variance of σ^2 .
Hi, you can generate noise vector n∼CN(0,σIN) in MATLAB using the following approach: N = 10; % Size of the noise vector s...

8 mois il y a | 0

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image input for trained neural network
Hi, the issue may occur because MATLAB's “trainNetwork” function expects the input image to be in a 4D format: (Height, Width, C...

8 mois il y a | 0

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4D Convolutional Neural Network in Matlab
Hi, in MATLAB, when dealing with 4D images where the fourth dimension represents frequency, there are two key implementation app...

8 mois il y a | 0

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CNN / Fully Convolutional Network in Image classification
Hi, yes, fully convolutional networks (FCNs) can be used for image classification, but they are more commonly applied to tasks l...

8 mois il y a | 0

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how to plot performance graph for nueral network
Hi, I see you want to plot a performance graph for your convolutional neural network (CNN) training process. MATLAB provides bui...

8 mois il y a | 0

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showing the transformation converts problem
Hi, as per my understanding you are trying to do a transformation that converts an uncorrelated Gaussian vector S∼N(0,I) into a ...

8 mois il y a | 0

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how to plot the required data from two analog input separately?
Hi, to plot the data from two analog input channels separately, you need to extract each channel's data and use separate “plot” ...

8 mois il y a | 0

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make an r by m permutation matrix
Hi, the below code generates the dimensions m, n, and r randomly, ensuring that r is always less than or equal to the minimum of...

8 mois il y a | 0

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Question regarding training speed with MATLAB and NVIDIA 4060Ti 16G
Hi, your observation about batch size and training speed could be influenced by several factors related to MATLAB’s deep learnin...

8 mois il y a | 0

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Deep Learning Predict block does not reproduce trained network correctly
Hi, the issue may be due to the differences in data formatting, numerical precision, or simulation settings between MATLAB and ...

8 mois il y a | 0

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How to buid a ConvLSTM (not CNN+LSTM) network?
Hi @Peng Liang, I understand that you want to build an LSTM network between convolutional operations, rather than placing th...

8 mois il y a | 0

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how to design a conv-lstm using the deep network designer
Hi, you might be facing this issue due to the difference in expected input formats. Convolutional layers are designed for spatia...

9 mois il y a | 0

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