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# Juan Camilo Medina

### The University of Notre Dame

Active since 2011

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Help with writing program with the matrix
Y=D*X; If you have Y and are looking for X then: X=D\Y;

9 years ago | 0

How to give a final value to solve an ODE's, instead of the standard initial values?
There are different methods to solve a boundary value problem, which is effectively what you have. The easiest one is the shooti...

9 years ago | 0

"Legend" will label whatever has been drawn in your figure; therefore, you need to invoke the legend command right after you plo...

9 years ago | 0

Subscript after greek alphabet
It depends on what kind of interpreter you have set up, but the default Matlab math and Greek letters format follow latex style,...

9 years ago | 0

supress high amplitude signal and only keep low amplitude
If they oscillate at different frequencies, you can create a high-pass filter, just read the help for the functions [B,A]...

9 years ago | 0

| accepted

Problem With GA toolbox?
You don't need to solve this numerically. The arguments that minimize the equation are the values that minimize each term in the...

9 years ago | 0

optimization routine for function that is not smooth and also has a lot of local minimum
Based on my experience, the best way is to use simulated annealing, which is less heuristic than GA and it's powered by a Markov...

9 years ago | 0

Finding a particular solution when there are infinitely many
your syntax is wrong, instead of using solve(m) try syms m a; k = @(a,m)a./(b.*((c)^2)*n)-sin(m).*((co...

9 years ago | 0

How do I decide what Rp and Rs values to use in a lowpass elliptic filter?
Couple of things: Low_Freq should be approx: Sample_Rate/4/1.3 to prevent noise from aliasing into the low frequency region...

9 years ago | 0

Submitted

Plot All Font Types
Plots all the different font types in your Matlab version

Submitted

Simpson's Rule Integration
Computes an integral "I" via Simpson's rule in the interval [a,b] with n+1 equally spaced points