# Neelanshu

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**Feeds**

i have an error at line 13 xi1 and below it. how to correct it for runge kutta method

Hi Alec, As Jan mentioned, kindly describe the error you encountered. I assume that the error is Unrecognized function or var...

1 month ago | 0

Transient initialization at time 54.39498355937668, solving for consistent states and modes, failed to converge. Nonlinear solver: failed to converge, residual norm too large.

Hi Boniface, Kindly provide the complete model & subsystem files associated with this error. The error, Nonlinear solver: faile...

1 month ago | 0

Vehicle suspension design problem in simscape

Hi Parag, The reason why the output of the force sensor block is similar to the input force is because "Ideal Force Sensor" blo...

1 month ago | 0

vpasolve gives wrong solution

Hi Alessio, As Srijith mentioned kindly share the error message and the issue faced by you. Since the code runs without any err...

1 month ago | 0

Fourier series expansion from data points

Hi Bartosz, The functions you used for computation of the fourier coefficient is erroneous. The formula for discrete time four...

1 month ago | 0

Fitting data on equation

Hi Alessandro, You can use the "lsqcurvefit" function , which solves nonlinear curve-fitting problems in least-squares sense, t...

1 month ago | 0

Non-linear Spacing on spectrogram

Hi Farid, You can use the "spectogram" function to obtain the STFT (Short-Time Fourier Transform) of the signal. Then, you need...

1 month ago | 0

Write to Arduino Analog pins from Simulink

Hi mahdi, The digital output block can only handle the digital output pins (0-13). Any value greater than 13, representing A0-A...

1 month ago | 0

Finding a transfer function from time series data in simulink

Hi Zara, As Mathieu mentioned you can obtain a frequency response function with the "tfestimate" function, which assumes the no...

1 month ago | 0

Computing output passivity index of a simple system using getPassiveIndex

Hi Siva, This is a limitation of the approach used for computation of the "getPassiveIndex". The frequency-domain test used is ...

1 month ago | 1

| accepted

I am trying to do muscle fatigue analysis, what can be done changes in the code.

Hi Manav, The variable file_info is a 2x1 cell array for the "Fatigue_A.txt" stored in the zip file shared by you. As the error...

1 month ago | 0

Tuned PID motor controller leads to a slow response

Hi IRO, The response of the model with PID controller is much faster than the one with only step input. In the case of PID ...

1 month ago | 0

How does MATLAB choose states when linearizing a model (e.g. with linmod)?

Hi Timo, Simulink linearizes each block separately and combines the resulting individual linear models to get a full linearized...

2 months ago | 0

Inconsistent/Diverging angular position with sine torque source

Hi Peio, The reason for the diverging angular position is the presence of a constant term in the angular velocity. This constan...

2 months ago | 0

I was wondering how to compute the tilt angle from raw accelerometer data?

Hi jon, You can use "imufilter" function in MATLAB to estimate the tilt, as shown in the example below. However, it requires th...

2 months ago | 0

Estimating tilt using a three axis accelerometer

Hi Alex, The problem with measuring tilt using the method you proposed is that acceleration is a 3-dimensional vector. As such,...

2 months ago | 0

After building actuation system using Isothermal Liquid blocks (IL) in Simscape its showing error

Hi Kiran, I understand that you are looking to debug the following error: Plant model cannot be a pure direct feed-through sys...

2 months ago | 0

how do i use Finite Element Method with z-transform

Hi peter, From your question, I understand that you are looking to solve the given transfer function using the "vpa" function. ...

2 months ago | 0

Kalman filter execution too slow

Hi Annamalai, The reason that Kalman filter is not fast enough is due to evaluation of the equations with symbolic variables. T...

2 months ago | 0

| accepted

How to make a visible side bands in the waterfall of AM signal with Fc = 440 and Fs = 10?

Hi Lior, To make the sidebands visible in the waterfall display, you need a smaller frequency resolution, which is given by the...

2 months ago | 0

Implement high frequency resistor in simulink

Hi Manaswini, To analyze the circuit and determine the impedance at high frequencies, you can model the real components as comb...

2 months ago | 0

to validate transfer function

Hi Chennam, I understand that you are attempting to determine why Simulink is not displaying the corresponding output value of ...

2 months ago | 0

i am stuck in this problem ive been trying all day and dont know from where to start. could you please help

Hi Zahida, As Steven mentioned, the question appears to be a homework assignment. Additionally, I couldn't find the "trap" func...

2 months ago | 1

Wave Equation Using Matlab and Finite Differencing.

Hi Tyler, I found some errors in the equations for the initial condition and the finite difference method that you used to solv...

2 months ago | 0

In a simcape model the error is shown as initial condition failed to converge, nonlinear solver advance time one step failed to converge, residual norm too large.e

Hi Gupteswar, I understand that you are looking to debug the following error in your Simulink model: Nonlinear solver to advan...

2 months ago | 0

Panning in Simulink has annoying "Inertia" (for lack of a better word)

Hi Cyrus, I understand that you are looking for a way to curtail the panning as soon as you release the button. To accomplis...

4 months ago | 0

Singular Jacobian using bvp4c

Hello Marcus, I understand that you're encountering the "Singular Jacobian using bvp4c" error while attempting to solve a bou...

4 months ago | 0

Error on BER vs SNR for ACO-OFDM when apply zero clipping

Hello Norzalina, I understand that you're looking to create a graph of BER vs. SNR for ACO-OFDM program, as illustrated in t...

4 months ago | 0

Drawing a 1-CDF Graph

Hi See Kai Xiang, I understand that you are looking for a way to plot 1-CDF of the data. To plot the 1-CDF, you can utilize ...

4 months ago | 0

How to plot rectanular puls

Hi Yaseer, I see you're interested in visualizing a rectangular pulse in both the time and frequency domains. To get star...

4 months ago | 0