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how to output data into a text file

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Nicholas Deosaran
Nicholas Deosaran el 24 de Sept. de 2020
Respondida: Jalaj Gambhir el 28 de Sept. de 2020
Hello everyone,
I am having an issue with how to export data to a text file.
below is my code that I have and would like to export it to 3 different text files.
clc
clear
% Given basin parameters
g = 9.81; % gravity
h = 15; % water depth
l = 500; % basin length
n = 1; % node
% Function to get wave length
L1 = 2*l/n;
disp('At node = 1');
disp(['Wavelength L = ' num2str(L1)]);
% Function to get wave period
T1 = (2*l)/(n*sqrt(g*h));
disp(['Wave Period at T = ' num2str(T1)]);
% Given basin parameters
g = 9.81; % gravity
h = 15; % water depth
l = 500; % basin length
a = 2; % node
L2 = 2*l/a;
disp('At node = 2');
disp(['Wavelength L = ' num2str(L2)]);
% Function to get wave period
T2 = (2*l)/(a*sqrt(g*h));
disp(['Wave Period at T = ' num2str(T2)]);
% Given basin parameters
g = 9.81; % gravity
h = 15; % water depth
l = 500; % basin length
b = 3; % node
L3 = 2*l/b;
disp('At node = 3');
disp(['Wavelength L = ' num2str(L3)]);
% Function to get wave period
T3 = (2*l)/(b*sqrt(g*h));
disp(['Wave Period at T = ' num2str(T3)]);
%information needed for free surface profile
t=0;
H = 1; % wave height
x = 0:l;
k1 = 2*pi/L1;
k2 = 2*pi/L2;
k3 = 2*pi/L3;
sigma1 = 2*pi/T1;
sigma2 = 2*pi/T2;
sigma3 = 2*pi/T3;
N1 = H/2*cos(k1*x)*cos(sigma1*t);
N2 = H/2*cos(k1*x)*cos(sigma2*t);
N3 = H/2*cos(k1*x)*cos(sigma3*t);
subplot(3,1,1);
N1 = H/2*cos(k1*x)*cos(sigma1*t);
plot(x,N1, 'r')
hold on
yline(0);
ylim([-1 1])
title ('mode n = 1, L = l/2')
xlabel ('x(m)')
ylabel ('eta (m)')
legend('H/2*cos(k1*x)*cos(sigma2*t)')
subplot(3,1,2)
N2 = H/2*cos(k2*x)*cos(sigma2*t);
plot (x,N2,'r');
hold on
yline(0);
ylim([-1 1])
title ('mode n = 2, L = l')
xlabel ('x(m)')
ylabel ('eta (m)')
legend('H/2*cos(k2*x)*cos(sigma2*t)')
subplot(3,1,3)
N3 = H/2*cos(k3*x)*cos(sigma3*t);
plot(x, N3, 'r')
hold on
yline(0);
ylim([-1 1])
title ('mode n = 3, L= 2l/3')
xlabel ('x(m)')
ylabel ('eta (m)')
legend('H/2*cos(k3*x)*cos(sigma2*t)')
Thank you for your help

Respuesta aceptada

Jalaj Gambhir
Jalaj Gambhir el 28 de Sept. de 2020
Hi,
As it is not very obvious what exactly you would like to write in your text file, I am assuming you want to write the statements you have used inside disp function in the text file.
To do so, you can use fprintf, you can find a helpful solution here.
Hope this helps.

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