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Jyotish Kumar

MathWorks

Last seen: 4 years ago |  Active since 2019

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Any comment made here is solely my opinion and owned by me. Mathworks is not responsible for whatever I say. Hence it would be perfectly fine when other community members give a better opinion as they might be a subject matter expert for that issue.
Feel free to add your comments to add some knowledge to a discussion or for correcting me whenever i might seem wrong.

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Answered
Is there a way to import an Octave package into Matlab?
Hi, There are various ways you can load mat file into octave and vice versa. There are following links which has discussed abou...

4 years ago | 0

Answered
Can't install toolbox or update matlab, some mistake happened during I install new toolbox
Hi, Contact your sales representative and share the detailed problem. In cae if you don't know who is your sales reprentative, ...

5 years ago | 0

Answered
frequency response of time series data
Hi, To calculate PSD, i would suggest you to try "pwelch" function in MATLAB. Go through the link below for more detals http...

5 years ago | 0

Answered
Matlab2019 wont's run on Mac Air
Currently there is a bug which stops MATLAB License Manager Error message windows from appearing. To find what error is causing ...

5 years ago | 0

Answered
why couldn't I use plot?
Hi, It seems you are using 32-bit system and the graphics require for this plot function is 64 bits.

5 years ago | 0

Answered
How can I generate C code from a Simulink model with a Neural Nework in the Matlab base workspace?
Hi, The code generator does not produce code for the body of the extrinsic function and instead uses the MATLAB® engine to exec...

5 years ago | 0

| accepted

Answered
Time frequency analysis of the system?
Hi, As I can see from the plot attached, this is a time vs frequency plot presented in terms of power(dB). Such plot gives i...

5 years ago | 0

Answered
How to extract feature from audio signal
Hi, Step 1: analyze the signal and see if you can determine what frequencies are to be kept and what frequencies are to be disc...

5 years ago | 0

| accepted

Answered
Calculating maximum distance from 3 different points
Hi, If the code is vectorizable, PixelDistance(P, [Q1;Q2;Q3]) should give the desired output. If not, to achieve a shorter wa...

5 years ago | 0

Answered
Classification problem (Spatial patterns)
Hi, I understand that you are working on a classification problem. MathWorks provides machine learning toolbox which can hel...

5 years ago | 0

Answered
MATLAB 2018b is not opening in windows 10. How to solve this problem?
Hi, Contact your sales representative and share the detailed problem. In cae if you don't know who is your sales reprentative, ...

5 years ago | 0

Answered
Feature Extraction using MATLAB
Hi, You can calculate power, entropy, and energy as features for these signals. Other than that, you can aslo try calculating s...

5 years ago | 0

| accepted

Answered
where are the graphs of neural_network_toolbox explained?
Hi, You can refer these documents to understand the graphs (Performance, Training State, Regression) of neural network app. ...

5 years ago | 0

| accepted

Answered
posterior probability of a class in neural networks
Hi, ‘predict’ function can be used to estimate posterior probability. refer the following to learn more about how it estimates...

5 years ago | 0

Answered
For networked named user licenses can a single use install matlab on both a Window machine and a Linux machine?
Hi, In network license the client machine is never activated. The license manager is only activated so you can install it on a...

5 years ago | 0

| accepted

Answered
Does Simulink Onramp work on 2019a PRE RELEASE?
Hi, Simulink Onramp is shipped with MATLAB starting R2019a. One who has an installation of MATLAB and Simulink in 19a should b...

5 years ago | 0

Answered
How to get posterior probability for CNN (prediction probability) ?
Hi, ‘predict’ function can be used to estimate posterior probability. See the following to learn more about how it estimates: ...

5 years ago | 0

| accepted

Answered
How to find the confusion matrix of a given network?
Hi, The Deep Learning Toolbox in MATLAB has ‘confusion’ and ‘plotconfusion’ functions to extract the confusion matrix. Please ...

5 years ago | 0

Answered
mean and variance of numbers read from a txt
Hi, You are using .txt file which has numbers like 1,2,3, 4,...,19,20. That is comma separated numbers and in order to calcula...

5 years ago | 0

Answered
Unable to download "third-party software: MinGW 5.3.0 from MinGW-w64.org" although using Matlab version R2017b
Hi, This support package is currently unable to download third-party software for MATLAB R2017a and earlier versions. For deta...

5 years ago | 0

Answered
Calculating seasonal rainfall precentage from netcdf file
Hi, First, you can reshape your matrix X (which is 708*1) Y=reshape(X, [12,59]); Find sum of all the 59 columns which wil...

5 years ago | 0

Answered
Problem with interpolating set of data
Hi, For interpolation of first line you are using 14 points which is Xi= 0:1:13; but I can see only 13 points for 2nd plot whi...

5 years ago | 0

Answered
What does the x axis of wavelet 1-d statistics graph represent? The y axis is probably the amplitude I do not understand the x axis.
In my understanding, you are using wavelet analyzer app and tried 1D-Wavelet analysis. X axis represents the number of samples (...

5 years ago | 0

| accepted

Answered
how to create a digital communication system using MATLAB
Hi, I understand that you are trying to design digital communication system using fundamental blocks of digital signal process...

5 years ago | 0

Answered
Add plot line in my script.
Hi, You can use the plot function with detailed features. Refer the documents for more details https://www.mathworks.com/hel...

5 years ago | 0

Answered
How to plot a 3D surface using a matrix in Polar coordinate?
Hi, I understand that you are trying to plot a 3D surface using a matrix in Polar coordinate. You can refer this link to find ...

5 years ago | 0

Answered
How to display an image as a marker in a worldmap?
Hi, I understand that you are trying to use a PNG image as a marker in a world map. There are two functions you can try accord...

5 years ago | 0

Answered
How to determine mean values for a table containing nanovalues (where mean values of parts of the rows should be considered individually)
Hi, I understand that you are trying to find mean ignoring NaN values. ‘nanmean’ is the right syntax for this purpose and retu...

5 years ago | 0

Answered
How to transform matrix into image without data loss?
JPG format compresses the file while conversion, so it changes the value. Try with another Image format like PNG which is more i...

5 years ago | 0

Solved


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

5 years ago

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