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 | 1 | initial version |  |
var('a b c d e f g')
A = matrix(2,2,[a,b,b,e])
C = matrix(2,2,[c,d,f,g])
B = block_matrix(2,2, [A,C,C.transpose(),A])
M = matrix(SR,10,10)
for k in range(4):
M.set_block(2*k,2*k,B)
M| | 1 | initial version | |
var('a b c d e f g')
A = matrix(2,2,[a,b,b,e])
C = matrix(2,2,[c,d,f,g])
B = block_matrix(2,2, [A,C,C.transpose(),A])
M = matrix(SR,10,10)
for k in range(4):
M.set_block(2*k,2*k,B)
M
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