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Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 1
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
| accepted
Answered
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...
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...
2 years ago | 0
Answered
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. ...
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. ...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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 ...
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 ...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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 ...
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 ...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
Answered
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 ...
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 ...
2 years ago | 0
Answered
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...
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...
2 years ago | 0
| accepted
