upd

labs/lab1/scripts/1_4/1_4.m

@@ -0,0 +1,7 @@
+f = @(t,y) y.^2 - t;
+y0 = 1;
+tspan = [0 1.05]; % tspan = [0 1.5];
+opts = odeset('RelTol',1e-12,'AbsTol',1e-14);
+[t1,y1] = ode45(f,tspan,y0,opts);
+plot(t1,y1)
+print -dpng "plot.png"

labs/lab1/scripts/2_4/2_4.m

@@ -0,0 +1,9 @@
+lambda = 2000;
+f = @(t,y) -lambda*y + t;
+y0 = 0;
+tspan = [0 1];
+opts = odeset('RelTol',1e-12,'AbsTol',1e-14);
+[t2,y2] = ode15s(f,tspan,y0,opts);
+plot(t2,y2)
+print -dpng "plot.png"
+