{{indexmenu_n>999}} ====== 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}}