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Math
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13 votes
3 answers
1k views

Routh-Hurwitz criterion not giving correct answer when done manually?

7 votes
1 answer
513 views

Numerically solving a system of SDE's with Levy noise?

4 votes
0 answers
324 views

Constructing a Lyapunov function for this system?

4 votes
1 answer
251 views

Why isn't this expression returning true to being positive when it is clearly positive?

3 votes
1 answer
202 views

How to solve the following ODE's with initial conditions symbolically [closed]

2 votes
2 answers
2k views

Solving a non-linear system of equations symbolically [closed]

2 votes
1 answer
245 views

(In)Stability of equilibrium points in a vector plot (continued)?

2 votes
1 answer
653 views

(In)Stability of equilibrium points depicted in a vector plot?

2 votes
2 answers
256 views

How do I simplify the equilibrium point to this simplified expression?

2 votes
2 answers
154 views

How do I check whether these expressions are identical?

2 votes
2 answers
157 views

Expanding an expression in the order they appear?

1 vote
1 answer
68 views

Why are there problems solving this SDE system?

1 vote
1 answer
89 views

Putting a framed legend in this plot?

1 vote
1 answer
107 views

Is this expression positive or negative given the assumptions?

1 vote
1 answer
148 views

How do I know which is the positive root for this quadratic?

1 vote
0 answers
44 views

Simplifying the following expression?

1 vote
0 answers
131 views

How to numerically solve this system?

1 vote
0 answers
81 views

How to solve this quintic polynomial with the solutions in its simplest final form?

1 vote
2 answers
392 views

Testing an expression whether it is always negative given conditions

1 vote
0 answers
110 views

Non linear differential equation plot [closed]

1 vote
2 answers
108 views

How to model the following system of ODE's in Mathematica with plots of the solution?

1 vote
1 answer
131 views

Moving x-axis from above to below the graph? [closed]

0 votes
2 answers
164 views

How do we solve this system?

0 votes
0 answers
65 views

Manipulation of expression

0 votes
0 answers
76 views

Why does Mathematica store numerical values in a fresh kernel?

0 votes
1 answer
79 views

How to check numerical values on a plot? [closed]

0 votes
1 answer
124 views

How to add grid lines and implement a finer mesh in this plot? [closed]

0 votes
0 answers
44 views

How do I know which is the positive root for this quadratic (cont)?

0 votes
1 answer
72 views

Simplifying an expression(s) for an equilibrium point?

0 votes
1 answer
127 views

Zooming into a plot?