concatenate along diagonal

Summary

The block diagonal matrix can be created by aligning the input matrices along the diagonal of the matrix. 1 This process is known as concatenation along the diagonal. 1 The function blkdiag() can be used to achieve this. 1

According to
1 www.mathworks.com


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Dimension to operate along, specified as a positive integer scalar. For example, if A and B are both 2-by-2 matrices, then cat (1,A,B) concatenates vertically creating a 4-by-2 matrix. cat…
Concatenate arrays - MATLAB cat - MathWorks
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Summary B = blkdiag( A1,...,AN ) returns the block diagonal matrix created by aligning the input matrices A1,...,AN along the diagonal of B .
Block diagonal matrix - MATLAB blkdiag - MathWorks
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Join a sequence of arrays along a new axis. ma.column_stack (*args, **kwargs) Stack 1-D arrays as columns into a 2-D array. ma. concatenate (arrays[, axis]) Concatenate a sequence of arrays along …
Masked array operations — NumPy v1.24 Manual
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Method 1: Using concatenate () function We can perform the concatenation operation using the concatenate () function. With this function, arrays are concatenated either row-wise or column-wise, given that they have…
How to Concatenate two 2-dimensional NumPy Arrays?
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The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments. CONCAT replaces the CONCATENATE function. However, the CONCATENATE function will stay…
CONCAT function - Microsoft Support
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Translates slice objects to concatenation along the second axis. This is short-hand for np.r_['-1,2,0', index expression], which is useful because of its common occurrence. In particular, arrays will be stacked…
numpy.c_ — NumPy v1.25.dev0 Manual
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Returns the elements on the diagonal of arr If arr has more than two dimensions, then the axes specified by axis_1 and axis_2 are used to determine the 2-D sub-array …
xbuilder — xtensor documentation - Read the Docs
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Extract a diagonal or construct a diagonal array. diagonal (a[, offset, axis1, axis2]) Return specified diagonals. diff (a[, n, axis, prepend, append]) Calculate the n-th discrete difference along the given…
API — Dask documentation
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take_ along _dim. Selects values from input at the 1-dimensional indices from indices along the given dim. tensor_split. Splits a tensor into multiple sub-tensors, all of which are views of input, along …
torch — PyTorch 1.13 documentation
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