# Saarthak Gupta

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**Feeds**

ODE45 solver not using the previous calculated value in the new time step

Hi Omar, Looks like you are getting rapid attainment of terminal velocity for an air bubble rising in water. As per my under...

9 maanden ago | 0

Solving Normal Equations 3-Parameter Weibull Distribution

Hi Danny, Looks like you are trying to solve a system of nonlinear equations in the variables “m”, “c”, “g”. This qualifies as...

9 maanden ago | 0

Calculate temperature of 2d plate over time using finite difference method and matrix

Hi Christopher, I understand you wish to calculate the dynamic temperature distribution of a body until equilibrium. Using t...

9 maanden ago | 1

Invalid training data. For image, sequence-to-label, and feature classification tasks, responses must be categorical.

Hi Susitra, I understand you are getting the error: “Invalid training data. For image, sequence-to-label, and feature classific...

9 maanden ago | 0

how adjustrange of the voice while implement high and low pass filter

Hi Sherif, I understand that you wish to filter the noise out of a given audio sample containing human voice. To separate th...

9 maanden ago | 0

Lsqcurvefit errors when trying to optimise

Hi Joshua, It looks like there is a problem with the output of the ODE solver you are using in “kinetics” function, which is th...

9 maanden ago | 0

non linear curve fitting with globaloptimization options

Hi Daniele, To effectively diagnose the issue, it would be beneficial to have the "entropy_calculated.txt" file. This file is c...

9 maanden ago | 0

| accepted

can someone help me pls with this code?

Hi Aryo, It seems like you are facing an issue while implementing the Newton-Raphson method correctly. I suspect that you ar...

9 maanden ago | 0

Having Problems with Parameter Estimation Toolbox

Hi Kaan, It looks like you are unable to import time series data (input and output signals) to the Parameter Estimation App. ...

9 maanden ago | 0

How to replace the sdpvar vector x with meshgrid variables to plot it? (YALMIP)

Hi, Looks like you are trying to plot a “sdpvar” expression (YALMIP) over a given domain. Your code does not correctly para...

9 maanden ago | 0

How can I install GLPK MEX fo Windows in MatLab

Hi Valentina, I understand you are unable to install GLPKMEX for MATLAB on Windows. The problem probably stems from the versio...

9 maanden ago | 0

cftool with no log scale issue

Hi Birsen, I see from the figures you have attached that the data does not fit well when the Y axis is converted to a logarithm...

9 maanden ago | 0

Extropolate backwards for the curve

Hi Qiujun, I understand you wish to fit and extrapolate the red line across critical points of yellow and black curves. Depe...

9 maanden ago | 0

Predict ordered logit probabilities for out of of sample outcome values

Hi Mahmood, I understand you want to give the cumulative probabilities of response categories that are not available in the tra...

9 maanden ago | 0

Function for Poisson Regression

Hi Coulter, It seems that you are trying to fit a Poisson distribution to your data. The “glmfit” function fits a generalized ...

9 maanden ago | 0

Fitting Gaussian curve on top of polynomial curve?

Hi Tiffany, It seems like you want to fit a combination of a Gaussian curve and a polynomial curve to your data. The problem...

9 maanden ago | 0

How to use besselj function to plot spectrum of single tone FM signal

Hi Devon, I understand you wish to plot the power spectrum of a single tone FM signal. For a single tone FM signal of the fo...

9 maanden ago | 0

Generating Phase Portrait of ODE system

Hi Jiwon, I understand that you wish to plot the phase portrait of a nonlinear system of ODEs. For a nonlinear system of the...

9 maanden ago | 0

frequency modulation by bessel

Hi Huijia, I understand that you want to calculate the amplitude of the first two side frequencies of a signal, given its modul...

9 maanden ago | 0

Why do my Weibull functions give me arrays of zeros?

Hi Andrew, I understand you wish to fit a Weibull curve to your data. Due to lack of the exact data, I created a comparable ...

9 maanden ago | 0

Find optimal parameter values for model

Hi Tycho, As per Sam’s suggestion, it would be beneficial if you could share your current model so that contributors can assess...

9 maanden ago | 0

Finding the eigenvalues and eigenvectors with the system response

Hi Joni, I understand you wish to solve a spring-mass system consisting of two masses and three springs. The equations of mo...

9 maanden ago | 0

fminsearch with integrals and parameters

Hi Prerna, I understand you wish to minimize your objective function with extra parameters. It would be helpful if you coul...

9 maanden ago | 0

numerical solution of a linear system through the use of the Gauss method without pivoting

Hi Aurora, I understand you need to use method of Gauss-Jordan elimination without pivoting to solve a system of linear equatio...

9 maanden ago | 0

Choose subset of basis vectors for best approximation of a vector

Hi, I understand that you are trying to obtain an approximation to a n-dimensional vector v, in a k-dimensional subspace (spann...

9 maanden ago | 0

using cplex_miqp from MATPOWER with MATLAB

Hi Giovanni, I understand that you wish to grasp the correspondence between the functions “cplexmiqp” and “miqps_cplex”, and th...

9 maanden ago | 0

VB .NET function use in matlab

Hi Jean-Marie, I understand that you are trying to access an enumeration included in an external .NET Assembly. In the ‘.NET...

9 maanden ago | 0

How to obtain confidence bounds using nlarx with idGaussianProcess ?

Hi Oceane, It looks like you are trying to obtain the confidence bounds of predictions given by an estimated NARX model with GP...

9 maanden ago | 0

how to create equation from gaussian trained model from regression learner?

Hi Nilanshu, Looks like you are trying to obtain a closed-form expression for the Gaussian Process Regression model trained on ...

9 maanden ago | 0

Curve Fitting Toolbox: solution generated by the GUI not the same as the one generated by the line of codes (generating code)

Hi Bastien, It is highly likely that you are getting different fit coefficients while fitting the data because of the underlyin...

9 maanden ago | 0

| accepted