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fredo ferdian


Aktiv seit 2016

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Frage


Evaluating Principal Value Integral
Dear All, I have a problem to do numerical integration of improper integral. I need to calculate the principal value of integ...

mehr als 6 Jahre vor | 1 Antwort | 0

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double integral with singular point (not detected by integral2)
Hi all, I would like to evaluate double integral of some function which contain one singular point at the origin. I must admi...

fast 7 Jahre vor | 1 Antwort | 0

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Defining normal unit vector for arbitrary plane surface in 3D space
Dear All, I'm trying to find unit vector which pointing perpendicularly outward from arbitrary shape of panel in 3D space. I ...

fast 7 Jahre vor | 2 Antworten | 0

2

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Operation between Cells-constant-vector-matrix (4D-problem), cell indexing/storing.
Hello, I try to do some calculation about 4-D problem, calculating parameter which the value will be different for every coord...

mehr als 7 Jahre vor | 0 Antworten | 0

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Nonlinear 3 equations 3 unknowns , hyperbolic, fsolve stopped because the last step was ineffective
I have 3 equations and 3 unknowns (x(1), x(2), and x(3)) which expressed in my objective function below: function F2=F2(x) ...

fast 8 Jahre vor | 1 Antwort | 0

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