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Yugal Gupta


IIT Roorkee

Last seen: 2 years ago |  Active since 2017

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Extracting coefficients of 'sinwt', 'coswt', sin2wt etc from a symbiolic expression.
Hello, I am having a mathmatical symbolic expression and want to extract the coefficient of 'sinwt', 'coswt', 'sin2wt' and so ...

3 years ago | 1 answer | 0

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answer

Question


The Linear Analysis Workspace is Empty ?
Hello, I am using MATLAB R2020b. Although at the bottom corner, it is showing that 'The linearization result 'Linsys1' is c...

4 years ago | 1 answer | 0

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Question


To plot two bode diagrams, one is obtained from linearization tool and the other one is obtained from calculated transfer function, in a single figure.
Hello, I have done linearization of my simulink model using 'Model Linearizer' tool. Now I want to have two bode plots, one is...

4 years ago | 1 answer | 1

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answer

Question


Code for FFT analysis
If I have a signal in command window, how I can do the FFT analysis of that signal? Can someone suggest me the code for that ? B...

4 years ago | 1 answer | 0

1

answer

Question


Effect of ODE solver on total execution time
My simulink model is comprised of countinuous states. When I change the ODE solver (ODE1, ODE8 etc), keeping the fixed step size...

5 years ago | 0 answers | 0

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Question


Time complexity: Simulink Vs Matlab Code
From the computational complexity point of view, which one is more effiecient Simulink or Matlab code ? I have observed that for...

5 years ago | 0 answers | 0

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answers

Question


Time Complexity of 2D array
tic vcp(i,:) = vcpa(:); vcn(i,:) = vcna(:); toc where, vcpa and vcna are array of size 2. vcp and vcn are 2-D...

5 years ago | 1 answer | 0

1

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Question


How to change model parameters in the meanwhile of running simulation ??
Hello, I am using an Induction Motor block in Matlab simulation. In the starting, I have set all the parameters manually. Now...

7 years ago | 0 answers | 0

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Question


Error - Subscript indices must either be real positive integers or logicals ??
sym(zeros(4, 1)); is showing an error "Subscript indices must either be real positive integers or logicals". What may be th...

7 years ago | 1 answer | 0

1

answer

Question


sequential parameter estimation for non linear system using Matlab
Hey, I have written a piece of code for sequential parameter estimation for non-linear system in Matlab. But I'm not sure w...

7 years ago | 0 answers | 0

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Question


Does anyone has matlab code for sequential parameter estimation for nonlinear system ??
Does anyone has matlab code for sequential parameter estimation for a nonlinear system?

7 years ago | 0 answers | 0

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Answered
curve correction by new point
Dear Mohammad, Do You have written code for your problem,"Curve correction by new point "? Actually, the same problem I have...

7 years ago | 0

Answered
How can I make correction in the constants of the model equation?
Thank You 'John D'Errico'. My problem is non-linear in nature. The problem is not the optimisation at all. Actually, for redoing...

7 years ago | 0

Question


How can I make correction in the constants of the model equation?
Till the nth instant of time, I have some data, using that data I have fitted the curve, have found the constants. Now at (n+1)t...

7 years ago | 3 answers | 0

3

answers

Question


How to do simultaneous curve fitting for two model equations having common constants ??
I am having two different model equations and also experimental data respectively. Both model equations are having common consta...

7 years ago | 1 answer | 0

1

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Question


Error using sym/subsindex (line 1558) Indexing input must be numeric, logical or ':'.
This the simple code, please have a look syms m A = [1 2 3; 4 5 6; 7 8 9;]; B = symsum(A(m,m),m,1,3); N...

7 years ago | 0 answers | 0

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Question


I am using 'fit' command for curve fitting. But my model equation is defined only for some range of input (x>5) . For x<5, model equation is y =2 (Having no constants). So How should I deal this problem ? Thanks in Advance.
I am using 'fit' command for curve fitting. But my model equation is defined only for some range of input (x>5) . For x<5, model...

7 years ago | 1 answer | 0

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answer