I need help with my MATLAB script, as I don't understand how to correct the error message that I'm getting. The error message is: >> BioOpsA1cgptAttempt1 Unrecognized function or variable 'FluorLifeTime_Data01'. Error in BioOpsA1cgptAttempt1 (line 5) Taxis = FluorLifeTime_Data01(:, 1); My script is given below: % a. Load the dataset load("FluorLifeTime_Data01.mat"); % b. Extract photon arrival times and fluorescence photon counts Taxis = FluorLifeTime_Data01(:, 1); FCounts = FluorLifeTime_Data01(:, 2); % Initial guess for parameters initial_params = [1, 1]; % Call fminsearch to optimize the model optimal_params = fminsearch(@(params) FLmodel(params, Taxis, FCounts), initial_params); % Extract optimized parameters A_opt = optimal_params(1); tau_opt = optimal_params(2); fprintf('Optimized Parameters: A = %.2f, tau = %.2f\n', A_opt, tau_opt); % Create a time vector for the fitted curve T_fit = linspace(min(Taxis), max(Taxis), 1000); % Generate the fitted curve using optimized parameters F_fit = A_opt * exp(-T_fit / tau_opt); % Create a figure figure; % Subplot 1: Raw data and fitted curve subplot(2, 1, 1); plot(Taxis, FCounts, 'bo', T_fit, F_fit, 'r-', 'LineWidth', 2); xlabel('Time (Taxis)'); ylabel('Fluorescence Counts'); title('Raw Data and Fitted Curve'); % Subplot 2: Residuals subplot(2, 1, 2); residuals = FCounts - A_opt * exp(-Taxis / tau_opt); plot(Taxis, residuals, 'ko'); xlabel('Time (Taxis)'); ylabel('Residuals'); title('Residuals'); % Adjust subplot spacing subplot(2, 1, 1); As well as the function script: function error = FLmodel(params, Taxis, FCounts) % Extract model parameters A = params(1); tau = params(2); % Model function model = A * exp(-Taxis / tau); % Calculate error (objective function) error = sum((model - FCounts).^2); end I have the .mat file in multiple places in my files, so I don't know why its having trouble. Is it a syntax mistake; is my matlab not loading files properly? Thank you in advance!

I need help with my MATLAB script, as I don't understand how to correct the error message that I'm getting. The error message is: >> BioOpsA1cgptAttempt1 Unrecognized function or variable 'FluorLifeTime_Data01'. Error in BioOpsA1cgptAttempt1 (line 5) Taxis = FluorLifeTime_Data01(:, 1); My script is given below: % a. Load the dataset load("FluorLifeTime_Data01.mat"); % b. Extract photon arrival times and fluorescence photon counts Taxis = FluorLifeTime_Data01(:, 1); FCounts = FluorLifeTime_Data01(:, 2); % Initial guess for parameters initial_params = [1, 1]; % Call fminsearch to optimize the model optimal_params = fminsearch(@(params) FLmodel(params, Taxis, FCounts), initial_params); % Extract optimized parameters A_opt = optimal_params(1); tau_opt = optimal_params(2); fprintf('Optimized Parameters: A = %.2f, tau = %.2f\n', A_opt, tau_opt); % Create a time vector for the fitted curve T_fit = linspace(min(Taxis), max(Taxis), 1000); % Generate the fitted curve using optimized parameters F_fit = A_opt * exp(-T_fit / tau_opt); % Create a figure figure; % Subplot 1: Raw data and fitted curve subplot(2, 1, 1); plot(Taxis, FCounts, 'bo', T_fit, F_fit, 'r-', 'LineWidth', 2); xlabel('Time (Taxis)'); ylabel('Fluorescence Counts'); title('Raw Data and Fitted Curve'); % Subplot 2: Residuals subplot(2, 1, 2); residuals = FCounts - A_opt * exp(-Taxis / tau_opt); plot(Taxis, residuals, 'ko'); xlabel('Time (Taxis)'); ylabel('Residuals'); title('Residuals'); % Adjust subplot spacing subplot(2, 1, 1); As well as the function script: function error = FLmodel(params, Taxis, FCounts) % Extract model parameters A = params(1); tau = params(2); % Model function model = A * exp(-Taxis / tau); % Calculate error (objective function) error = sum((model - FCounts).^2); end I have the .mat file in multiple places in my files, so I don't know why its having trouble. Is it a syntax mistake; is my matlab not loading files properly? Thank you in advance!

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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I need help with my MATLAB script, as I don't understand how to correct the error message that I'm getting.

The error message is:

>> BioOpsA1cgptAttempt1

Unrecognized function or variable 'FluorLifeTime_Data01'.

Error in BioOpsA1cgptAttempt1 (line 5)
Taxis = FluorLifeTime_Data01(:, 1);

My script is given below:

% a. Load the dataset

load("FluorLifeTime_Data01.mat");

% b. Extract photon arrival times and fluorescence photon counts

Taxis = FluorLifeTime_Data01(:, 1);

FCounts = FluorLifeTime_Data01(:, 2);

% Initial guess for parameters

initial_params = [1, 1];

% Call fminsearch to optimize the model

optimal_params = fminsearch(@(params) FLmodel(params, Taxis, FCounts), initial_params);

% Extract optimized parameters

A_opt = optimal_params(1);

tau_opt = optimal_params(2);

fprintf('Optimized Parameters: A = %.2f, tau = %.2f\n', A_opt, tau_opt);

% Create a time vector for the fitted curve

T_fit = linspace(min(Taxis), max(Taxis), 1000);

% Generate the fitted curve using optimized parameters

F_fit = A_opt * exp(-T_fit / tau_opt);

% Create a figure

figure;

% Subplot 1: Raw data and fitted curve

subplot(2, 1, 1);

plot(Taxis, FCounts, 'bo', T_fit, F_fit, 'r-', 'LineWidth', 2);

xlabel('Time (Taxis)');

ylabel('Fluorescence Counts');

title('Raw Data and Fitted Curve');

% Subplot 2: Residuals

subplot(2, 1, 2);

residuals = FCounts - A_opt * exp(-Taxis / tau_opt);

plot(Taxis, residuals, 'ko');

xlabel('Time (Taxis)');

ylabel('Residuals');

title('Residuals');

% Adjust subplot spacing

subplot(2, 1, 1);

As well as the function script:

function error = FLmodel(params, Taxis, FCounts)

% Extract model parameters

A = params(1);

tau = params(2);

% Model function

model = A * exp(-Taxis / tau);

% Calculate error (objective function)

error = sum((model - FCounts).^2);

end

I have the .mat file in multiple places in my files, so I don't know why its having trouble. Is it a syntax mistake; is my matlab not loading files properly? Thank you in advance!

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