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2017-11-16 16:55:51 +0200 | asked a question | how to create a matrix valued function? I'm trying to define a function g that takes two values and maps tem to a 2x2 matrix. What I've tried is but if I try to evaluate this function, the variables in the matrix are not evaluated: I expect the output to be I also tried other variants bud did not succeed, e.g. |