Community Profile

### MathWorks

61 2019 年以降の合計貢献数

I am an Application Support Engineer at MathWorks. My main responsibilities are working on questions posted on MATLAB Answers.
My area of interest are Deep Learning and Autonomous Driving Vehicles.
DISCLAIMER: Any advice or opinions here are my own and in no way reflect that of MathWorks.

integration equvilants for diff() and dsolve()?
Hi jg, As diff is used for differentiataion, similarly the command int is used for integration. As for dsolve it solves for a s...

How to plot a series of returns, and how to comapre two different Sharpe ratio on the same graphs
Hi, I am not sure what you mean by "instead of for series of returns". How I understand it is lets say there are two series dat...

1日 前 | 0

Matlab solver for Stiff Stochastic Differential Equation
Hi For solving Stiff ODE's you can refer to the following link. https://www.mathworks.com/help/matlab/math/solve-stiff-odes.ht...

1日 前 | 0

How can I solve the coupled differential equation with variable coefficients?
Hi Vellapandi, Continuing from David Goodmanson's comment you can solve it numerically. Below is the code for it. tspan = [0 5...

1日 前 | 0

Bounding Box Not Drawn/Some Variables Are Empty
Hi Matpar, Even though you have loaded and trained on the data without error, the reason your bounding box shows empty is becau...

1日 前 | 0

How can I built a database in Matlab?
Hi Mariana, You can use the Database Toolbox to interactively build your Database and subsequent queries. Kindly go through the...

2日 前 | 0

How can we separate incoming real time data in MATLAB?
Hi Mohan, I am not sure what exactly you are trying to do here, but if you just want to plot data belonging to two thousand and...

28日 前 | 0

How do i plot annual histograms where year(x axis) and rainfall(y-axis)?
Hi Flora, Kindly go through the following links. It will help you bring dates to MATLAB from excel. https://www.mathworks.com/...

28日 前 | 0

how to extract feature from an image using pca for face recognition
Kindly go through the following links https://www.mathworks.com/matlabcentral/fileexchange/45750-face-recognition-using-pca ht...

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How can I append different mat file data set to be able to do the analysis
Hi Enoch Go through the following link and check the answer by Guillaume and a comment by Leigh Martin. https://www.mathwork...

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How do I convert a .csv to a .dat using MATLAB (SWAN Modeling)
Hi, Try reading the data from the .csv file into a table in MATLAB and then write that table into a .dat file. The following ...

How to implement backward Euler's method?
Hi, Kindly go through the following existing posts for backward euler method. https://www.mathworks.com/matlabcentral/answers/...

Wrote this file to compute ABD matrix, running into index/array issue
Hi Kevin, The error here is occurs in ReduceStiffnessMatrix function in the 7th line where you are accessing Q(3,3) but at that...

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Solving an integration problem at specific time points
Hi, The issue here is vpa gives a symbolic output, to use it with a function like plot,there is a need to convert the output of ...

How to use Gillespie's algorithm in MATLAB to display chemical reactions
Hi Yuhong Kindly go through the following links for existing implementations. https://www.mathworks.com/matlabcentral/answers/...

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How to extract partial derivatives of some specific layer in the back-propagation of a deep learning model?
Hi Kindly go through the following link and examples in it. https://www.mathworks.com/help/deeplearning/ref/dlarray.dlgradient...

Gaussian Elimination script question

looping identical numbers and getting row indices
Find the attached code file for the solution. Hope it helps.

Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

3ヶ月 前

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3ヶ月 前

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

3ヶ月 前

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3ヶ月 前

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:...

3ヶ月 前

step by step to run LEACH code in Matlab
Hi, LEACH code implemenation can be found in the links below https://www.mathworks.com/matlabcentral/fileexchange/66574-leach...

3ヶ月 前 | 0

What is the difference between wrcoef/upcoef/appcoef in wavelet analysis?
Hi, If your purpose is solely reconstructing the signal on a certain level use any of the two wrcoef/appcoef. If you want some ...

3ヶ月 前 | 0

SVM Classifier using GLCM features
Hi, you already have extracted features, I am also assuming you have corresponding outputs related to extracted feature vectors....

3ヶ月 前 | 0

Visualising the results of a classification tree elsewhere

3ヶ月 前 | 0

Need some project help
Hi, this problem can be solved with the approach of moving object detection using background subtraction. Kindly go through the ...

3ヶ月 前 | 0

solution of ODE using Euler's all 3 methods
Hi, I would recommend going through the following links which have all the three methods and try to modify the implementation to...

3ヶ月 前 | 0

Can I run java from matlab?
Yes, it is possible to run java code from MATLAB environment. Kindly go through the following link https://www.mathworks.com/ma...

3ヶ月 前 | 0