# Tagged Questions

67 views

### Integrate double definite integral [duplicate]

I am trying to evaluate an integral numerically and plot its result. My mathematica code is: ...
17 views

### NDSolve_ODESolve_Plotsolution [duplicate]

I am trying to use mathematica to solve this problem. Thank you! Given the ODE $$-\frac{a^2 V_0}{2} f''(x)-V_0\cos\big(\frac{2\pi x}{a}\big) f(x)=E f(x)$$ (a,V_0) are positive real constants. Find ...
189 views

### Euler's method for system of differential equation

I need to program Euler's method to solve a system of two diffferential equations of first order. Fist, I have programmed the Euler's method for just one differential equation: ...
611 views

### Numerical differentiation methods

Is it possible to write a code in Mathematica that implements various differentiation methods (like forward, central, extrapolated, etc.)?
220 views

### Problem with Eventlocator Method for NDSolve

I want to solve the ode and plot the solution v[x] for different values of parameter a where ...
704 views

### optimization problem with NDSolve

I want to minimize the function fcc. When fcc is calculated for a specified point the answer is correct: ...