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Closed 10 years ago.
How can I study nonlinear dynamic systems with matlab (and without using Symulink)?
For example, how can I linearize a system around a point or how can I determine the nature of an equilibrium point?
Thanks
For example, how can I solve exercise 1 of this?
You could try one of the stiff solvers such as ode23s or `ode23tb Here's another link that might be helpful...
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Closed 9 years ago.
I'm doing some work classifying images and was looking for a classifier that gives its answer in turns of a probability instead of true/false like svmclassify. Anyone have any suggestions for toolboxes that have this feature?
RVMs' (Relevant Vector Machines) output probability and if you want to use them, download Kevin Murphy's Machine Learning toolkit. Matlab doesn't have an RVM implementation as far as I know.
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Closed 10 years ago.
I want to get height from ground level to the camera lens.Can any one suggest me a method to do this.I have Google it but could not find any solution even mathematical formula too.
pythagorean theorem is the formula you are looking for.
No idea how you might get the values to use it though, other than if there is a way to determine the distance from the camera to what it is focusing on would get you one. If you can do that, they can just point it at the ground/tap to focus and give you the height.
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Closed 11 years ago.
how to do curve fitting ??
i tried plot(cfit,x,y) and it didn't work??
If available have a look at the Curve Fitting Toolbox. You can start it using the command cftool. Please elaborate your problem.
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Closed 11 years ago.
What are the basic working principles of an antivirus program?
it matches patterns of known viruses with each file.
for example change the executable into a histogram and compare the similarity between that executable and known viruses.
another way is to scan for design patterns such as polymorphisism and comparing those to, this can lead to false positives (in very complex apps) but also catch unknown viruses.
A antivirus reads trough all files and searches for patterns of known viruses in the files.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
How can I simulate a ma(1) model with parameter =0.7 using matlab?
The Systems Identification Toolbox may have what you need.
If you need or want to do it by hand, however (homework?), I would suggest outlining the steps of what needs to be done (break up the problem in parts, starting from the definition of MA models) and asking a more detailed question when you get stuck.