Matthew Worker

Last seen: mehr als ein Jahr vor | Aktiv seit 2013

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crossFilt causing Matlab audio plugin pops
Audio plugin splits incoming audio into three bands and applies gain to center band and sums all back together. Debugging by onl...

10 Monate vor | 1 Antwort | 0

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inversing huge Y Matrix
Hello, I need to get Zbus for some short circuit study. The system is huge consisting of over 9000 buses. From psse, I found the...

etwa ein Jahr vor | 1 Antwort | 0

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Create multiple copies of a .txt file according to N x 1 array
I have an N by 1 array that contains random integer values, say A = [101, 790, 477, ... , 999]. I also have a text file, say MyF...

fast 2 Jahre vor | 1 Antwort | 0

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please, how can i make the plot on the x axis from 15 to 25 hertz to rest on the x axis. that is to make them start from zero. i have used detrend but, it is not working
Hello can you help with the above question

etwa 2 Jahre vor | 1 Antwort | 0

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Solve a group of Symbolic Equations
syms A B alpha beta % variable syms R1 R2 C1 C2 % constant eqn1 = A + B == 1/(R1*C1) eqn2 = -A...

mehr als 2 Jahre vor | 2 Antworten | 0

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how to use fft to plot the average values and their standard deviations in the frequency domain?
Hello, I would like to plot a signal (av) containing average values in the frequency domain, having a vector T containing ti...

mehr als 2 Jahre vor | 1 Antwort | 0

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how to plot a signal in the time domain?
Hello, I want to use the vector T containing the time values and the vector av containing the mean values of measurements, in...

mehr als 2 Jahre vor | 2 Antworten | 0

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How to present (x(t))'', (θ(t))'' in symbolic version matlab?
There are six equations below (M, m, g, b, L, J are constant): M*(x(t))'' = F(t) - N(t) - b*(x(t))' J*(θ(t))'' = P(t)*sin(θ(t)...

mehr als 2 Jahre vor | 1 Antwort | 0

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how do I filter noise and background objects from images?
i have images that have these cylindrical objects that i want removed before doing analysis? How do I remove them? Thank you

mehr als 2 Jahre vor | 3 Antworten | 0

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Optimization: Unable to perform assignment because value of type 'optim.problemdef.OptimizationExpression' is not convertible to 'double'.
Hello, I would like to perform a multiplication with a decision variable Yi. When doing so, I get the following error: Unabl...

mehr als 2 Jahre vor | 2 Antworten | 0

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Why I'm I getting this error when I try to call the function myfourier in another m file?
myfourier.m file function [a0 an bn fs] = myfourier(f, flim, N) syms t syms N T = flim(end)-flim(1); w0 = 2*pi/T; fs = 0.0...

mehr als 2 Jahre vor | 1 Antwort | 0

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Iterative code sequence error
f(i) = f(i-3)*f(i-1) - f(i-2) using f(1) = 1, f(2) = 1 and f(3) = 1. function f = iterativeSequence(n) f(1) = 1; f(2) =...

fast 3 Jahre vor | 1 Antwort | 0

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How to add max and min data label of plot in matlab with help of annotation?
I want label max and min data label with use of annotation on gh bottom,middle and top plot to show the values of max and min. ...

fast 3 Jahre vor | 1 Antwort | 0

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Fit and display multiple gaussians on a data set
I have a test data set (attached) that I want to display with two closely spaced gaussians. An example of how the data should lo...

mehr als 3 Jahre vor | 1 Antwort | 0

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How to publish current m file output ONLY to pdf via inline code? (AKA, not via the Export function)
Hi, I am creating a MATLAB program that will read in a data file and provide feedback based on the data within the file. (I am ...

mehr als 3 Jahre vor | 1 Antwort | 0

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How do i read 60 .txt files into matlab?
I am trying to read experimental data in .txt format into matlab but so far, i get the following error message: Index in p...

mehr als 3 Jahre vor | 1 Antwort | 0

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How to randomly propagate 100 random targets with random headings (uniformly sampled over [0, 2π])
So I contructed a 2048x1024 pixel background image with the signal normally distribution at mean 0 and standard deviation 5 (arb...

mehr als 3 Jahre vor | 1 Antwort | 0

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put two matrices in one matrix, one will take the odd column and the other one take the even column.
A is a matrix 4x5 B is a matrix 4x5 C=[A B] 4x10 .. A and B will be combined in a matrix C where A take the odd column and B ...

mehr als 3 Jahre vor | 1 Antwort | 0

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Sum 2 Matrices and take the average value of their summation and store them in another Matrix with the same dimension.
% in this code, I import 2 text files, C_Total_1 and C_Total_2. I want to take the average of the sum of these two variables, th...

mehr als 3 Jahre vor | 1 Antwort | 0

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mehr als 3 Jahre vor | 1 Antwort | 0

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The left and right sides have a different number of elements
please help me fix the error~~~ this is my code and %% 3. Fourier descriptor %① Make the matrix above. %Find the positio...

mehr als 3 Jahre vor | 1 Antwort | 0

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How do you write this "| "symbol in MATLAB?
How i would write that symbol in MATLAB? i left it out and even tried'/' but i keep getting warnings within the script ...

mehr als 3 Jahre vor | 2 Antworten | 0

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Remove the repetitive items in matrix
The following codes are some basic settings, you can skip this section and directly see the problem section below. clear clc ...

mehr als 3 Jahre vor | 1 Antwort | 0

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Image segmentation but 'edge' does not work
i need this result, to outline it in red but i keep getting this error message. Error using activecontour>parse_inputs (lin...

mehr als 3 Jahre vor | 2 Antworten | 0

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I want BER instead of SNR in the x-axis .. What is the relation that changes SNR to BER
This is the value of Signal to noise ratio ..... SNR = -20:6:10; %Signal to Noise Ratio I want BER instead of SNR in the x-ax...

mehr als 3 Jahre vor | 1 Antwort | 0

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Looking for a simulink cogeneration (combine Heating and power) model.
Looking for a simulink cogeneration (combine Heating and power) model. please

mehr als 3 Jahre vor | 1 Antwort | 0

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Why does my screen go black?
My region filled image and skeletonized image just appears black I fill in all the bones using the function below %% 3. Region...

mehr als 3 Jahre vor | 1 Antwort | 0

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Why does dilate and erode images produce black images?
Did i do something wrong with nhood variable? %% 1. Dilation and Erosion %a. Apply dilation and erosion to “lung.jpg” using 3x...

mehr als 3 Jahre vor | 2 Antworten | 0

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What is '1butter' in this Wiener Filter code?
MATLAB doesnt recognise the 1butter in this code of Wiener Filtering on an image in MATLAB

mehr als 3 Jahre vor | 1 Antwort | 0

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How to turn code into a class?
I coded the program below for frequency domain filtering and functions well. I have to use it repeatedly to apply different fi...

mehr als 3 Jahre vor | 1 Antwort | 0

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