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Differential equation(1st order)
my function is dy/dt=k*y*exp(450/y) k is constant and y(0)=40 and y(15)=95 solve this equation by using ode45 can someone ...
7 years 前 | 0 个回答 | 0
0
个回答已回答
ODE45, differential equation
if true function bvp4 xlow=0;xhigh=300; solinit=bvpinit(linspace(xlow,xhigh,300),[40 95]); sol=bvp4c(@bvp4ode,@bvp4bc,...
ODE45, differential equation
if true function bvp4 xlow=0;xhigh=300; solinit=bvpinit(linspace(xlow,xhigh,300),[40 95]); sol=bvp4c(@bvp4ode,@bvp4bc,...
7 years 前 | 0
提问
ODE45, differential equation
my function is dy/dt=k*y*exp(450/y) k is constant and y(0)=40 and y(15)=95 solve this equation by using ode45 can someon...
7 years 前 | 4 个回答 | 0
4
个回答已回答
1st order differential equation , boundary conditions
Hi, why you use log instead of exp?
1st order differential equation , boundary conditions
Hi, why you use log instead of exp?
7 years 前 | 0
已回答
1st order differential equation , boundary conditions
ans = 40 ans = 450*exp(exp(20*log(log(19/90)) - 19*log(log(4/45)))) answer at t=300 must be 450 and the plot i...
1st order differential equation , boundary conditions
ans = 40 ans = 450*exp(exp(20*log(log(19/90)) - 19*log(log(4/45)))) answer at t=300 must be 450 and the plot i...
7 years 前 | 0
提问
1st order differential equation , boundary conditions
please can someone help me to solve this 1st differential equation my function is Dp=kp ln(450/p) p(0)=40 and p(15)=95 , k is...
7 years 前 | 3 个回答 | 0
3
个回答已回答
1st order differential equation
Hi , the plot is still wrong , k should be get from the initial condition and the solution is y(t)=450/( e^e^(-0.02948t+0.8839)...
1st order differential equation
Hi , the plot is still wrong , k should be get from the initial condition and the solution is y(t)=450/( e^e^(-0.02948t+0.8839)...
7 years 前 | 0
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提问
1st order differential equation
i am trying to solve this differential equation and the solution i get it is wrong so where is the error? and this my function ...
7 years 前 | 2 个回答 | 0
