Sourabh

Last seen: 2 months 前 | 自 2025 起处于活动状态

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统计学

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Simplify Symbolic Expressions(contain14 syms)
Hey @ARMIN M To simplify symbolic expressions in MATLAB, you can use the “simplify” function from the Symbolic Math Toolbox. Th...

3 months 前 | 0

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Which code of BVP4C replaces the code xSol(t) = simplify(xSol(t)) OR pretty([xSol(t);ySol(t)]) of DSOLVE
Hey @MINATI To replace the code xSol(t) = simplify(xSol(t)) or pretty([xSol(t); ySol(t)]) from “dsolve” with “bvp4c”, you would...

3 months 前 | 0

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Deep Learning Semantic Segmentation Example
Hey @Ryan Rizzo The graph tells that your network is optimizing (loss is decreasing) but not generalizing or learning meaningfu...

3 months 前 | 0

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Inport Outports ranges in the generated code
Hey @Davide Frey In Simulink code generation, using Embedded Coder, minimum and maximum values specified on Inports/Outports...

3 months 前 | 0

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Import color video as grayscale?
Hey @Jeff I see that you are using a “for” loop to perform the conversion operation which is computationally expensive. Ther...

3 months 前 | 0

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meaning of "Input signal power" in AWGN block
Hey @Owen The “Input signal power” parameter is used by the “AWGN Channel” block to determine the amount of noise to add, espec...

4 months 前 | 0

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Simulink AWGN block, Input signal power from variable
Hey @Ilya Michlin In Simulink, the "AWGN Channel" block does not natively support dynamic input for the "Input signal power" pa...

4 months 前 | 0

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sinusoidal signal with varying frequency
Hey @Neerparaj Rai To generate a variable-frequency sine wave, you should integrate the frequency over time to get the phase: ...

4 months 前 | 0

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Where is the algebraic loop? How to get rid of it?
Hey @Daniel H I too got an algebraic loop when I simulated the attached model. To view where the algebraic loop is, click t...

4 months 前 | 0

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Issue with Image sizes when doing transfer learning on Alexnet
Hey @Emil Alne As per my understanding, AlexNet requires RGB images. Using “augmentedImageDatastore” for training ensures corre...

4 months 前 | 0

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I want to plot in a different barcolors
Hey @Ara The issue you are facing arises because you are using two datasets (ROTI and S4) but applying only one colormap at a t...

4 months 前 | 1

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已回答
ocr problem for reading numbers
Hey @Abhishek Kashyap, I was also unable to extract the numbers when I tried MATLAB’s “ocr” function on the given image. The r...

5 months 前 | 0

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How to add a voltage regulating OLTC between nodes 650 and 632 of bus 13 IEEE
Hey @FM FM I understand that you would like to install a “Voltage-regulating OLTC" between nodes 650 and 632 of the IEEE 13-bus...

5 months 前 | 0

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Error in port widths or dimensions. Invalid dimension has been specified for input port 1
Hey @Ryan Rizzo I understand that you simplified the model by removing extra Simulink Demux blocks and seek a way to solve port...

5 months 前 | 0

已解决

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

6 months 前

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How to make co-occurence Matrix Like this (as shown in Image)
Hey @Arun Kumar Singh I will help you on making a dummy normalised co-occurrence matrix as per the image by breaking it down ...

6 months 前 | 0

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BoundingBox in selected object
Hey @rupam baruah You can draw a boundingbox on the 3rd object from the left using “regionprops” as follows: 1. Ensure the ...

7 months 前 | 0

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Is it possible to translate a trained Neural Network to C++? I have this code below with one .xlsx input file. I would like to build the trained ANN model in my C++ code. Thanks guys for help! Balazs
Hey @Balazs Fekete Yes, it is possible to generate C++ code from an already trained neural network using MATLAB Coder. Fol...

7 months 前 | 1

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Test Size and Prediction Size Difference
Hey @Murat Can The issue with the discrepancy between the number of rows in your test data and the predicted data is related ...

7 months 前 | 0

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Princomp has been removed. Use PCA instead.
Hey @Mohamad Afiq The “pca” function is a replacement for the “princomp” function that works in recent releases. Replace th...

7 months 前 | 0

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how to remove noise from an image ?
Hey @Hemanth kumar I understand that you want to remove noise from a set of real-world images downloaded from Google, not from ...

7 months 前 | 0

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Cannot Use activecontour function
Hey @Tai Pham It seems that the issue is related to the input image. The “activecontour” function in MATLAB expects a 2D graysc...

7 months 前 | 0

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Why subplot omitted?
Hey @sungkyum Kim I too encountered this issue in MATLAB R2020a and there are two ways to solve this issue either by using on...

7 months 前 | 0

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How to remove the background from the video or a frame?
Hi @Logaprabhavathy This technique is usually called Background Subtraction. For video, kindly refer to the following OpenC...

7 months 前 | 0

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Removing Background from image or a video
Hey @DP This technique is called Background Subtraction. It can be done using OpenCV in MATLAB. Please refer to the following...

7 months 前 | 0

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Going from trainNetwork to trainnet
Hi @psousa I too encountered the similar issue when using “trainnet” and “trainNetwork” method. The workaround that worked ...

7 months 前 | 1

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CRLB in Mean Square Error
Hey @Bhavana You need to create a custom function to use the FIM function in your dnn to calculate traces of CRLB. You need to ...

7 months 前 | 1

已回答
How to compare columns from two data sets in a loop
Hey @Tomaszzz The most efficient way to perform the comparison would be to use a “for” loop to iterate over the number of varia...

7 months 前 | 0

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matrix to 12-bit monochrome jpg
Hey @grant I could reproduce the issue in MATLAB R2023a. Upon further investigation I found that standard image viewers, such a...

7 months 前 | 0