Niklas in Stockholm
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 Aug 19 accepted Which is the probability? Aug 3 accepted Why doesn't logic, math, physics etc have a symbol for “example”? Jul 31 comment Which is the probability? 160 questions equally scored multiple choice. Jul 31 asked Which is the probability? Jul 17 awarded Notable Question Jul 13 awarded Popular Question Jun 10 revised Why does my answer depend on the starting values? deleted 1 character in body Jun 9 accepted Why does my answer depend on the starting values? Jun 9 asked Why does my answer depend on the starting values? May 17 revised acoustics under water edited title May 16 comment Are my results realistic or is there an error somewhere? Very good answer and comments. I worked long to understand my results because it didn't look right that the wave changed direction when looking at the depth and the x-axis for the sound. I think this was an interesting exercise that also had meaningful physical interpretation. May 16 comment Are my results realistic or is there an error somewhere? Thank you very much. I suppose it is ok to state that the sound wave appears to change direction several times from looking at the graph. This was puzzling me and I'm glad for the link @NickThompson thanks again! May 15 accepted Are my results realistic or is there an error somewhere? May 15 asked Are my results realistic or is there an error somewhere? May 15 accepted Is my derivate correctly programmed? May 15 asked Is my derivate correctly programmed? Mar 30 awarded Nice Question Mar 7 comment Is my matlab code solving the problem? Thank you for the comment. I wrote the derivate like this (-272.9057*0.7528/1000)*exp(-Z(1)*0.7528/1000)) + 17.3368/1000 Do you think it's wrong and that it has a sign error? I'm not sure what that should be. Please inform me what can be the mistake. Mar 5 comment Is my matlab code solving the problem? I have written my derivative like this (-272.9057*0.7528/1000)*exp(-Z(1)*0.7528/1000)) + 17.3368/1000 is it incorrect? I'm sorry that I don't understand what can be wrong. Mar 5 revised Is my matlab code solving the problem? added 80 characters in body