All Questions
4
questions
2
votes
1
answer
55
views
Using the result of Solve as a function of parameters
I am trying to find b2 maximising a function I named 'EG1EUB'. And 'EG1EUBb2' is the frist order condition. Based on my understanding, Solve gave me a single solution saying that b2 is the second root....
- 45
2
votes
2
answers
219
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Minimization using NMinimize
I have a system of ODEs say
$$x'(t)=2 x(t)-x(t)y(t)-3 x(t) g(t),$$
$$y'(t)= y(t)-2 x(t)y(t)- x(t) g(t)$$
with ICs $x(0)= 1, y(0)=1/2$, say, for $t_0 \leqslant t \leqslant t_f$, where $t_0$ and $t_f$ ...
- 21
0
votes
1
answer
94
views
How to solve the Summation equation by FindRoots [closed]
I want to find out the value of alpha and lambda where u lies between 0 and 1.
- 1
2
votes
3
answers
301
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Solve / brute-force for parameters that drive a function to zero at specified points
Edit: Made question a lot easier to read.
Simple example.
- Consider $p(x,y,z,t) = e^t(ax^2 + by^2 + cz^2)$ and I seek the values of $a,b,c$ which make $p\approx0$ at the point $(x=r\cos\theta,y=r\...
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