Print my scalar to .csv file

[dokken]

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How to save solution in .txt format?

from dolfin import * mesh = UnitSquareMesh(2, 2) V = FunctionSpace(mesh, "CG", 1) u = project(Expression("x[0]*x[1]", degree=1), V) coords = V.tabulate_dof_coordinates() vec = u.vector().get_local() outfile = open("output.txt", "w") for coord, val in zip(coords, vec): print(coord[0], coord[1], val, file=outfile) gives a file called output.txt the following data 0.0 0.5 4.57388497314e-17 0.5 1.0 0.5 0.0 0.0 -2.08166817117e-17 0.5 0.5 0.25 1.0 1.0 1.0 0.5 0.0 4.46071750965e-17 1.0 0.5 0.5 1.…