how i plot the graph of my solution ?

[Sulaymon Eshkabilov]

Can you show what you have done so far?

Answer 1

[Ian Samuelsson]

i think is done, the only problem is my quiver.

clear; clc;

k = 0.04;

M = 5;

syms t T

f(t,T) = log( abs( (T-M) ./ (T+M) ) ) - 2*atan( T/M ) - 4*M^3*k*t

g = matlabFunction(f)

tnum = linspace(0,5,1000);

Tnum = linspace(-5,2,1000);

[tt,TT] = meshgrid(tnum,Tnum);

zz = g(tt,TT);

contour(tt,TT,zz,"ShowText","on")

colormap jet

colorbar

title("T(t) para vários c")

xlabel('t'); ylabel('T(t)')

quiver(t,T);

[t,T] = meshgrid(-10:.1:10,-10:.1:10-10:.1:10);

quiver(t,T); %<------- i dunno why dont work

grid on;