49. Displacements, reactions and member forces

Direct Stiffness Method for Truss Analysis
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Questions and discussion for this lecture live here. Fire away by hitting Reply below :fire:

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Hi Sean, love the course so far. In the part ā€˜Solve for reaction forcesā€™ I get the following message: ā€œConversion of an array with ndim > 0 to a scalar is deprecated, and will error in future. Ensure you extract a single element from your array before performing this operation. (Deprecated NumPy 1.25.)
UG[i] = U[c]ā€ Iā€™m relatively new to Python so after some research iā€™m not able to solve/understand this message. Do you get this message yourself? For now it is not really a problem, because code (seems) to run without any troubles.

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I think I found the answer alreadyā€¦you need to convert back to scalar by adding .item()ā€¦so UG[i] = U[c].item()
Works without warnig now ans still provide the same endresult.

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Hey @martijn
Fantastic - I really appreciate you taking the time to come back and update the comment. Posts like this really help other students (and me!) out.

Cheers,
SeƔn