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Example A simple example involving math.

Simple math a + b Less simple (braces) { a + b } And with ldots Foo( a + b + ... ) Even worse, with subscripts and superscripts A1 + B2 = Cold

Here is a block of text that caused some problems (overwrites in the math handling):

When manipulating a preconditioning matrix, A , BlockSolve95 internally works with a scaled and permuted matrix, where D is the diagonal of A , and P is a permutation matrix determined by a graph coloring for efficient parallel computation. Thus, when solving a linear system, Ax=b , using ILU/ICC preconditioning and the matrix format MATMPIROWBS for both the linear system matrix and the preconditioning matrix, one actually solves the scaled and permuted system , where and .