I am a German student attending lectures delivered in English at the KTH Stockholm. There I am supposed to solve a problem sheet, using a "Sought-Given-Solution-Answer approach". I am not really into english math. Is it just meant to be like: "Sought: the inverse of Matrix A" "Given: Matrix A" "Solution: blabla"?

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Most likely, yes. It sounds like a rather stilted attempt to get students to identify exactly what is to be found/calculated and what information is available before diving blindly into the problem. –  Brian M. Scott Sep 2 '12 at 8:48
You left out the Answer part. In the Solution part you perform the calculations (e.g. Gauss) to calculate the inverse of $A$. But ever so often, the last tiny help for the reader, namely a summarising answer sentence "The inverse of matrix $A$ is ..." is missing. Without that, one wonders if the student gave up calculations in the middle, did not know what to do next or did not see the answer-forest because of the many calculation-trees. –  Hagen von Eitzen Sep 2 '12 at 9:13
Perhaps it's a translation from something with a cute acronym in Swedish. Do you have native fellow students you can ask? –  Henning Makholm Sep 2 '12 at 11:42