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Baldemy


自 2014 起处于活动状态

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统计学

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How can I evaluate a multivariable symbolic function for certain input values?
For example, say I've taken the partial derivative of a multivariable expression with variables x1, x2, x3... How can I evaluate...

7 years 前 | 1 个回答 | 0

1

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Why can this linear system (Truss/global stiffness matrix, finding unknown reaction forces and displacements) be solved this way?
Overall System is F=K*u where K (symmetric, z by z, global stiffness matrix), F (z by 1, most elements(some of these are unknow...

8 years 前 | 0 个回答 | 0

0

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Why is the polyval command giving two different answers?
Why does the polyval operator not work as expected. Is the ans variable not stored as a column vector? Why aren't the second, fi...

10 years 前 | 2 个回答 | 0

2

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Why is symsum operator giving me this answer?
I am trying to find the sum of a series that goes like 20.^-20+19.^-19+...+1.^-1 Why is the answer such a massive number and wh...

10 years 前 | 1 个回答 | 0

1

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