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====== Unm ======
###
We can take the negative of a matrix. This takes the negative value of each element of the matrix
###
===== Example =====
==== Input ====
A = Matrix.New({{1,2},{3,4}})
B = -A
print(B)
==== Result ====
{ { -1 , -2 } ,
{ -3 , -4 } }
===== Table of contents =====
{{indexmenu>..:#2|tsort}}