W woshifate New member Joined Nov 8, 2015 Messages 5 Nov 8, 2015 #1 Suppose that two function y(t) and z(t) satisfy dy/dt = -4y + 2z dz/dt = -2y + 4t2 + 4 and suppose that y(0)=1 and z(0) = 7/2. Find the functions y and z
Suppose that two function y(t) and z(t) satisfy dy/dt = -4y + 2z dz/dt = -2y + 4t2 + 4 and suppose that y(0)=1 and z(0) = 7/2. Find the functions y and z
I Ishuda Elite Member Joined Jul 30, 2014 Messages 3,342 Nov 8, 2015 #2 woshifate said: Suppose that two function y(t) and z(t) satisfy (1) dy/dt = -4y + 2z (2) dz/dt = -2y + 4t2 + 4 and suppose that y(0)=1 and z(0) = 7/2. Find the functions y and z Click to expand... What are your thoughts? What have you done so far? Please show us your work even if you feel that it is wrong so we may try to help you. You might also read http://www.freemathhelp.com/forum/threads/78006-Read-Before-Posting As a hint I would probably start with differentiating (1) and then using (2) for the dz/dt.
woshifate said: Suppose that two function y(t) and z(t) satisfy (1) dy/dt = -4y + 2z (2) dz/dt = -2y + 4t2 + 4 and suppose that y(0)=1 and z(0) = 7/2. Find the functions y and z Click to expand... What are your thoughts? What have you done so far? Please show us your work even if you feel that it is wrong so we may try to help you. You might also read http://www.freemathhelp.com/forum/threads/78006-Read-Before-Posting As a hint I would probably start with differentiating (1) and then using (2) for the dz/dt.