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# Rishabh Mishra

Last seen: 10달 전 2020년부터 활동

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Select points from a 3D plot by using the mouse
Hi, Based on description of your issue, I understand that you are trying to extract the coordinates of the point (on a plot) se...

2년 이하 전 | 0

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Alphanumeric sorting of data
Hi, Based on my understanding of the issue, I suggest you to implement the 'sort_nat' function. The function is used to sort ar...

2년 이하 전 | 0

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Separate datasets into months
Hi, I understand that you are trying to separate data based on their corresponding datetime values, Each data point should be o...

2년 이하 전 | 0

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Problems with MLE method and curve fitting!
Hi, Based on my understanding, you can use 'polyfitn' function to estimate the parameters a, b, c. For this purpose, you requir...

2년 이하 전 | 0

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Customizable Hot airblower Model
Hi, I am attaching some references from MathWorks website that describe how to model a heater in Simulink. The references are:...

2년 이하 전 | 0

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Assigning values in a vector array to a column in an array
Hi, Based on my understanding of the issue described by you, I have created a simple code imitating the process you implemente...

2년 이하 전 | 0

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Using a for loop to create an array of values from the function of two vectors
Hi, The MATLAB documentation on for loops provides extensive aid on how to use and apply the same. You can access the document...

2년 이하 전 | 0

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K means Clusteing with Euclidean Distace
Hi, Based on my understanding of the issue described by you. I would like to highlight a few points, as follows: k-means clu...

2년 이하 전 | 0

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Multiple input vector for polyfit and get polyval , derive the best coeff & least RMS Error
Hi, Try using the following MATLAB functions for curve fitting & creating polynomials from the given data. polydern polyf...

2년 이하 전 | 0

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MATLAB Simulation for Calculation of Series and Parallel Capacitor
Hi, I tried reproducing the code you provided on my system and it is working without errors. You’ve mentioned that you are cal...

2년 이하 전 | 0

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Matlab xcorr function formula
Hi, You may refer to the documentation of 'xcorr' function for this purpose.

2년 이하 전 | 0

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finding limits of two variables
Hi, To evaluate this limit, you will need to implement 2-variable functions using Symbolic Math Techniques. I have described t...

2년 이하 전 | 1

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Hi, Please share the model file (with .slx extension) to help us understand the type of block being used. However, the block c...

2년 이하 전 | 0

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K means clustering with initial guess centroids given
Hi, I would like to make following assumptions: The points over which you are applying k-means clustering are 2-D coordinate...

2년 이하 전 | 0

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Hi, Please refer to the following links: Describe Models Using Notes and Annotations - MATLAB & Simulink (mathworks.com) A...

2년 이하 전 | 0

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How to write a code to extract different features from multiple images?
Hi, you may use the following links to resolve the issue : Extract Image Features Using Pretrained Network - MATLAB & Simulink...

2년 이하 전 | 0

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Using symSum with arrays
Hi, As per my understanding, The cause of error could be the variable ‘i’ that is being used as symbolic variable, it is used ...

2년 이하 전 | 0

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Why do derived parameters only update in the base workspace
Hi, Use the steps below to change/update variables in Model workspace: Export the derived variables/updated data to base wor...

2년 이하 전 | 0

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I'm getting the following error how can I fix it
Hi, Based on my understanding of the model, the error occurs when execution of the model starts. At first time step, t = 0, th...

2년 이하 전 | 0

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How to make the axis adjust to new plots
Hi, Based on my understanding of the issue, I can assume that you are using ‘app.graph’ as axes handle object to create plots ...

2년 이하 전 | 0

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What should i add more to create decent autocorr func.
Hi, To create autocorrelation function using given time series ‘t’, ‘t’ should 1 x n array (or vector). Modify the existing co...

2년 이하 전 | 0

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Equation to measure meters from pictures
Hi, To find distance between 2 points, you require their co-ordinates. Assuming co-ordinates for 2 points are stored in array...

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Simulink and simscape difference
Hi, Based on my understanding, I can confirm that simulink follows causal modelling standards & simscape (along with SimElectr...

2년 이하 전 | 0

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Easy Noob Indexing Question
Hi, Use the code below for resolving your issue: C=[A;B]; C=C(4:7,:); This is the simplest way to code the solution for ...

2년 이하 전 | 0

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What happened to Simulink fcn?
Hi, You can utilize the following blocks: ‘function caller’ ‘MATLAB function’ ‘Simulink function’ Using these si...

2년 이하 전 | 0

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Finding the Value between meassured points with the Fitting Toolbox
Hi, Since you are dealing with 3D coordinate system. It is important to specify all 3 coordinates (x,y,z) while specifying the...

2년 이하 전 | 0

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Computing generalized Inverse of a square but sparse matrix?
Hi, The disadvantages of using ‘pinv’ to find inverse of sparse matrix are: ‘pinv’ requires costly SVD. ‘pinv’ does not wo...

2년 이하 전 | 0

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Hello everyone. I would be very grateful if anyone can help to see if there is any problem with the centroid extracted by this program.
Hi, I have tried reproducing the issue on my end. I would state that you are following the correct method to extract the centr...

2년 이하 전 | 0

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Help with logical indexing
Hi, You can use cell arrays (instead of double arrays) along with loop operations to work out the issue. Use the code below f...

2년 이하 전 | 0

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Calculating an average week with datapoint every 15 minutes
Hi, Use the code below to find the average values recorded at 00:15 on all the Mondays in the given datetime array. load NO...

2년 이하 전 | 0