Asif Arshid

NDSU

Last seen: 4 years ago | Active since 2016

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PhD Student in Civil Engineering Department at North Dakota State University,

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Did anyone developed a code/function to create Stiffness matrix of 8-Node Brick (Hexahedral) in Finite Element Analysis ?
I am developing a model, which will use 8-nodded brick elements. I am looking for an already built code/function, which can crea...

8 years ago | 2 answers | 0

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Question

Finding inv(A) for Ax=b system
I tried 3 methods to solve the system for inv(A), where A is highly sparse matrix spy(A) is given below: 1) pinv(A)......... ...

8 years ago | 1 answer | 0

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Question

How can I add the elements of a smaller matrix in the elements of a bigger matrix at some specified locations ???
Is there any direct way of adding matrix "B" directly in "A" to get "D" matrix ??? I did it the following way... A=ones(5);...

8 years ago | 1 answer | 0

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How can i solve these two equations simultaneously for A and B ?
I have a system of 16 equations with 4 integration constants (A, B, C and D) in each soil layer (4 layers) and each soil layer h...

9 years ago | 1 answer | 0

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Question

How can i solve a function for A, a constant ......... if the function's intragrand is (x +A) and limits are 0 - 10 when function==0 ????
How can I solve the following equation in Matlab for A, when z=0 ? z = integral 0-10 (x + A)dx Thanks,

9 years ago | 1 answer | 0

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