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Title: Add slicing access for state-space models with tests by guptavaibhav0 · Pull Request #1012 · python-control/python-control · GitHub

Open Graph Title: Add slicing access for state-space models with tests by guptavaibhav0 · Pull Request #1012 · python-control/python-control

X Title: Add slicing access for state-space models with tests by guptavaibhav0 · Pull Request #1012 · python-control/python-control

Description: This PR adds the capability to access state-space models using splice. This should help fix #256. Current Issue: >>> b = ct.ss([[2, 3], [3, 4]], [[2, 1], [2, 3]], [[2, 4]], [[1, 2]], 0.1) >>> b[:2, 1] Traceback (most recent call last): File "", line 1, in File ".../.venv/lib/python3.12/site-packages/control/statesp.py", line 1224, in __getitem__ self.A, self.B[:, inpdx], self.C[outdx, :], self.D[outdx, inpdx], ~~~~~~^^^^^^^^^^ IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices Changes in this PR: Adds a small check for indexing of transfer functions. Adds slicing in the state-space model with proper tests. >>> b = ct.ss([[2, 3], [3, 4]], [[2, 1], [2, 3]], [[2, 4]], [[1, 2]], 0.1) >>> print(b[:2, 1]) : sys[0]$indexed Inputs (1): ['u[1]'] Outputs (1): ['y[0]'] States (2): ['x[0]', 'x[1]'] A = [[2. 3.] [3. 4.]] B = [[1.] [3.]] C = [[2. 4.]] D = [[2.]] dt = 0.1

Open Graph Description: This PR adds the capability to access state-space models using splice. This should help fix #256. Current Issue: >>> b = ct.ss([[2, 3], [3, 4]], [[2, 1], [2, 3]], [[2, 4]], [[1, 2]], 0.1)...

X Description: This PR adds the capability to access state-space models using splice. This should help fix #256. Current Issue: >>> b = ct.ss([[2, 3], [3, 4]], [[2, 1], [2, 3]], [[2, 4]], [[...

Opengraph URL: https://github.com/python-control/python-control/pull/1012

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og:image:altThis PR adds the capability to access state-space models using splice. This should help fix #256. Current Issue: >>> b = ct.ss([[2, 3], [3, 4]], [[2, 1], [2, 3]], [[2, 4]], [[1, 2]], 0.1)...
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6b61ed0 Add slicing access for state-space models with tests guptavaibhav0 Jun 17, 2024 https://github.com/python-control/python-control/pull/1012/commits/6b61ed06a4ca77a046d4996d916ba18464592aca
4dff649 Correct typos and column length issue guptavaibhav0 Jun 27, 2024 https://github.com/python-control/python-control/pull/1012/commits/4dff6495121c923f150bf600c73bd68265215297
c6ef9b4 Fixed bug in statespace initilisation guptavaibhav0 Jun 27, 2024 https://github.com/python-control/python-control/pull/1012/commits/c6ef9b494d91e6f55704af04f0c409086e67a8e8
a0fc6bc Added more test cases for slicing of statespace model guptavaibhav0 Jun 27, 2024 https://github.com/python-control/python-control/pull/1012/commits/a0fc6bcdcf0857998fb3efb1d9f945610817799c
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