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Pravin Jagtap


Last seen: 1 day ago

MathWorks

33 total contributions since 2019

I am working as an Application Support Engineer in MathWorks.

My research work includes development of Parallel Algorithms using API's like openMP, MPI -Message Passing Interface, GPU-cuda for computational fluid dynamics (CFD).

Disclaimer: Any advice or opinions here are my own, and in no way reflects that of MathWorks.

Pravin Jagtap's Badges

  • Revival Level 1
  • Knowledgeable Level 2
  • First Answer

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Answered
fminsearch giving results below initialisation point
Hello Udi, I think this can happen because it depends on the function and starting point (Since 'fminseach' function uses heu...

13 days ago | 1

| accepted

Answered
Is there a way to get the confidence bounds when fitting curves using optimisation toolbox
Hello Kieran, As you noted correctly curve fitting toolbox ('fit') gives the 'goodness of fit' metric whereas optimization ap...

13 days ago | 0

Answered
Coupled ODE Solver Producing Unexpected Graph
Hello Brooke, Please refer to following documentation for solving coupled system of ODEs https://www.mathworks.com/help/symb...

13 days ago | 0

Answered
How do convert the following set of time dependent differential equations into a set of discrete equations? Please provide code.
Hello Varun, I am assuming the constant time step 'dt'. Please refer following snipet to get an idea and write the code x(k+...

13 days ago | 0

Answered
1D PDE in Matlab with pdepe, first order
Hello JulianK, ‘pdepe’ is used to solve system of parabolic and elliptic PDEs with one temporal and one spatial variable (Make ...

15 days ago | 0

Answered
GPU coder : When I use GPU coder to any function, Do I need to type coder.gpu.kernelfun in all subfunctions in the main function?
Hello Lim, I think, Dynamic kernel invocation i.e calling kernels from within kernels is not supported by GPU coder yet. Theref...

2 months ago | 0

| accepted

Answered
Plotting Streamlines that start from the origin for each streamline
Hello Omar, I suggest you to refer this documentataion for plotting streamlines. ~Pravin

2 months ago | 0

Answered
How do I create a function to select the right excel table and data from this table with given parameters?
Hello, Refer following code to load the data in MATLAB workspace: [~,sheet_name]=xlsfinfo('Book1.xlsx'); % 'Book1.xlsx' is t...

2 months ago | 0

Answered
Write a function file finds real roots for any function f(x).
Hello Timothy, Please refer to following documentation which may help you in writing the function: https://www.mathworks.com...

2 months ago | 0

Answered
Can someone help us modify our current code in order to store all of the desired output variables as columns of a single file?
Hello Steve, The objective mentioned in the question can be easily achieved by using the ‘save’ command. Refer following exam...

2 months ago | 0

Answered
imshow Unrecognized function or variable 'imshow'.
Hello Malin, ‘imshow’ is part of base MATLAB which is present in the following directory: C:\Program Files\MATLAB\R2020a\toolb...

2 months ago | 2

| accepted

Answered
gui-2d-heat-transfer Variables
Hello Emir, The given code suggests that 'Tpoc(i,j)' is a temperature variable. Also, 'GUI 2D HEAT TRANSFER' is one of the...

2 months ago | 0

Answered
matlab code solving for f(x)
Hello, Please refer to following links: https://www.mathworks.com/matlabcentral/fileexchange/69171-the-general-iteration-meth...

3 months ago | 0

Answered
matrices jacobian function ?
Hello Massimiliano, Please refer to example given in the following documentation: https://www.mathworks.com/help/symbolic/jaco...

3 months ago | 0

Answered
Visualising/ Mapping data on CAD model
Hello Luke One of the possible ways to plot the colormap on CAD models is importing the model using the ‘importGeometry’ using ...

3 months ago | 0

Answered
How to manipulate matrices to get the same dimensions?
Hello, From your question data representation i.e. ‘X’ (n by m) and ‘Y’ (n by 1) is not very clear for fitting ‘Y=Xβ’ (where m ...

3 months ago | 0

Answered
Connecting two points with a curved line
Hello Tertius In addition to Bjorn Gustavsson and David Goodmanson I would like to add following points: In case of shear forc...

3 months ago | 0

Answered
Does GPU coder have only one output?
Hello Lim, After analyzing the code, It is clear that you are not able to generate ‘MEX’ because the ‘%#codegen’ directive is m...

3 months ago | 0

| accepted

Answered
Nested for loop for beta and nu
From question and code, I assume that you are interested in solving coupled system of ODEs for different parameters. I have foll...

3 months ago | 0

Answered
Interpreting & checking multiple regression code & output
Hello Jen, Refer to following documentation for interpreting the results of ‘regress’ function: https://www.mathworks.com/help...

3 months ago | 0

Answered
ODE parameter optimisation to fit dataset
Hello Maria, The procedure followed in the code is not consistent with the objectives mentioned in the description of a proble...

5 months ago | 0

| accepted

Answered
ThetaLim is not working with Polarscatter
Hello Junaid, I have brought this issue to the notice of our developers. They will investigate the matter further. Kind Rega...

5 months ago | 0

| accepted

Answered
Use several pools of workers in a parfor loop
Hello Gabriel, Yes, most of the MATLAB in-built functions are multithreaded from 2008a Release. Following document may help y...

5 months ago | 0

Answered
How to set default grid to minor
Hello Jash, Use following command to set the default behavior of ‘Minor Grid’ on: set(groot,'defaultAxesXMinorGrid','on','de...

5 months ago | 0

Answered
Why does the resolution become extremely bad when increasing the linewidth when using the the circle as marker.
Hello Pontus, I have tried to reproduce the steps, but it works fine in my case. I am assuming the user is using the older ve...

5 months ago | 0

| accepted

Answered
Restricting Lasso-coefficients
Hello Miximilian, To fit the data, it is important to understand how different models of regression work and what is the effe...

5 months ago | 0

Answered
Input structure for BiLSTM
Hello Sanjana, Refer to following example in order to understand the desired structures of cell arrays of training data for B...

6 months ago | 0

Answered
Need a better guess yo for consistent initial conditions_Error using daeic3 (line 230)
Hello Fidele, The approach followed by you in the attached script may not be the easiest way to solve this coupled system. To...

6 months ago | 0

Answered
How can i apply SVM or other classification methods on a cell array?
Hello Anamika, I am assuming you want data points along column and features along row direction. Follow the following steps ...

6 months ago | 0

| accepted

Answered
Publish a file along with a file that has function called from another file
Hello Lucas, The task of including the external file contents in one document (using 'publish') can be achieved using ‘publis...

6 months ago | 0

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