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plotting the bifurcation diagram of Duffing oscillations in the (x1, omega) plane?
function dx = duffing(t, x) global alpha delta beta F omega dx = [x(2); -delta * x(2) - alpha * x(1) - beta...

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How to solve SIR model with using DTM (Differential Transform Method)
function sir_model_dtm() % Parameters alpha = 0.3; % Infection rate beta = 0.1; % Recovery rate N = 1...

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Display in the command window
startUpHeight = 299.07; startUpValue = 100; radius = 15; minConstraintX = 50; % Swapped values maxConstraintX = 150; % Sw...

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Population Growth Model Analysis
Below I tried to solve Population Growth problem, I provide you the mathematical solution. Also, I create MATLAB code, however i...

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frequency equation for multiple degree freedom system
% Define the mass matrix M M = diag([1.8, 6.3, 5.4, 22.5, 54.0]); % Define the damping matrix C C = [10000, -10000, 0, 0, 0...

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Solving logistic ode for bacterial population growth
% Parameters r = 0.002; % per second K = 50000; % carrying capacity (assuming a value, as it is not provided) N0 = 1000; %...

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Selecting appropriate values for the parameters in the Gierer-Meinhardt activator-inhibitor model
For the following activator-inhibitor system (Alfred Gierer-Hans Meinhardt model), with all constants positive and initial ...

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Plotting Damped Nonlinear Oscillator
The given system is a damped nonlinear oscillator with a nonlinear resistance, described by the differential equation: where ...

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Discrete Population Growth Model Plot
Use the detailed, discrete model for population growth that follows a variation of the logistic law: with . Calculate the p...

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Discussion

Dynamic Simulation of DNA Base Pair Displacements with Non-linearity and Damping Effects
The study of the dynamics of the discrete Klein - Gordon equation (DKG) with friction is given by the equation : above equat...

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Plotting discrete Klein - Gordon equation (DKG) with friction in DNA
I am exploring the dynamics of the discrete Klein - Gordon equation (DKG) with friction is given by the equation : In the ab...

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Calculating the radius of a link budget
Hello! To calculate the cell radius of a link budget, particularly in a telecommunications context like satellite communications...

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Discussion

Seeking Contributors for Upcoming Book on Matrix Algebra with MATLAB for Undergraduate Students
Hello MathWorks Community, I am excited to announce that I am currently working on a book project centered around Matrix Alge...

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Discussion

How do mathematicians walk their dogs?
What's your way?

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Laws of motion 1

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Why isn't my MATLAB plot not showing up?
It looks like the issue with your MATLAB code is related to how you've set up the ranges for plotting the IV curves. In MATLAB...

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

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Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

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Add two numbers
Given a and b, return the sum a+b in c.

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Find faster way than compose to format table
Here’s an approach you can try: 1. Instead of converting the whole table to strings at once, process the data in smaller chu...

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BMI Calculator with Health Status Indicator
BMI Calculator: Inputs weight and height to compute BMI, displays result with health status message, using dialog-based interact...

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Subtracting a Vector from a Scalar-Multiplied Matrix
Let's say that we have the following two matrices and we want to calculate . We know that it is not defined, but MATLAB gives m...

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How to draw an histogram?
f you already have the matrix, use it directly. If not, here is an example of how you can generate a random matrix with integers...

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Discussion

Unlock Your MATLAB Potential: Free Guides and Books for Every Level
I'm excited to share some valuable resources that I've found to be incredibly helpful for anyone looking to enhance their MATLAB...

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Bode Plot for two different sinusoidal inputs
% Define the transfer function coefficients numerator = 8.008; denominator = [1 0.54 7.95]; % Coefficients of s^2, s, and th...

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Visualization and Calculation of Electric Flux through a Hemispherical Surface
Let be the closed surface composed of the hemisphere and the base Let be the electric field defined by . Find the electric f...

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Matlab 2023/4 wont start on Sonoma 14.4.1
Please try the following steps: Ensure that the MATLAB version you are using is compatible with the new macOS Sonoma 14.4.1. So...

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Plot of Integration Volume
Hi everyone, I'm working on visualizing an integration volume in MATLAB for the first time, and I'd appreciate some feedback on...

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Discussion

Analysis and Visualization of Line Integral and Green's Theorem on a Square Path
The line integral , where is the boundary of the square oriented counterclockwise, can be evaluated in two ways: Using the d...

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Discussion

Computing a Surface Integral on a Sphere Using MATLAB
To solve a surface integral for example the over the sphere easily in MATLAB, you can leverage the symbolic toolbox for a direc...

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