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- This topic has 5 replies, 2 voices, and was last updated 9 years, 10 months ago by Aleksei.
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March 5, 2013 at 16:48 #510AlekseiKeymaster
Since it takes quite long for me to accumulate enough tested features into a new toolbox release, this forum topic will serve as the source for preliminary/experimental feature and bugfix announcements. Links to temporary patches will be published here.
March 5, 2013 at 22:48 #512AlekseiKeymasterHere is a patch for an issue with simulation/optimization of fractional-order systems with input-output delays reported here. Download: 0.3-alpha-patch-2013-03-05.zip
Put the folders inside the patch into the fomcon root directory and overwrite the two affected files.
April 23, 2014 at 09:03 #914AlekseiKeymasterThis is a patch related to incompatibility of propertiesGUI used in FOMCON version 0.41-beta with MATLAB R2014a. Anyone using this version of MATLAB should download and apply the following patch: 0.41-beta-patch-2014_04_23.zip
Put the folder inside the patch into the fomcon root directory and overwrite the affected file.
January 9, 2015 at 18:53 #1037AlekseiKeymasterThis patch addresses the problem with the
norm()
function for thefotf
object: 0.41-beta-patch-2015_01_09.zip
Put the folder inside the patch into the FOMCON root directory and overwrite the affected file.- This reply was modified 9 years, 10 months ago by Aleksei.
January 10, 2015 at 07:22 #1040Pritesh ShahGuestIt is giving warning as shown below:
——————————————-Warning: Reached the limit on the maximum number of intervals in use.
Approximate bound on error is 3.2e+01. The integral may not exist, or
it may be difficult to approximate numerically. Increase
MaxIntervalCount to 764 to enable QUADGK to continue for another
iteration.
> In quadgk>vadapt at 297
In quadgk at 149
In fotf.norm at 27
Warning: Reached the limit on the maximum number of intervals in use.
Approximate bound on error is 9.1e+02. The integral may not exist, or
it may be difficult to approximate numerically. Increase
MaxIntervalCount to 888 to enable QUADGK to continue for another
iteration.
> In quadgk>vadapt at 297
In quadgk at 149
In fotf.norm at 27
Warning: Reached the limit on the maximum number of intervals in use.
Approximate bound on error is 5.8e+02. The integral may not exist, or
it may be difficult to approximate numerically. Increase
MaxIntervalCount to 872 to enable QUADGK to continue for another
iteration.
> In quadgk>vadapt at 297
In quadgk at 149
In fotf.norm at 27
Warning: Reached the limit on the maximum number of intervals in use.
Approximate bound on error is 1.9e+02. The integral may not exist, or
it may be difficult to approximate numerically. Increase
MaxIntervalCount to 764 to enable QUADGK to continue for another
iteration.
> In quadgk>vadapt at 297
In quadgk at 149
In fotf.norm at 27
Warning: Reached the limit on the maximum number of intervals in use.
Approximate bound on error is 1.4e+03. The integral may not exist, or
it may be difficult to approximate numerically. Increase
MaxIntervalCount to 812 to enable QUADGK to continue for another
iteration.
> In quadgk>vadapt at 297
In quadgk at 149
In fotf.norm at 27January 10, 2015 at 10:19 #1042AlekseiKeymasterIt is likely that this is not a bug. For some systems the integral may indeed not converge. So, the result of computation of the norm depends on the system under investigation.
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