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Drew Mitchell


Last seen: 1 year ago |  Active since 2016

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Which state is being plotted in multi-degree of freedom system when using bodeplot
I am using bodeplot to get frequency response curves of a 2 degree of freedom system. I use the command >>bodeplot(sys) and it...

5 years ago | 1 answer | 0

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Question


Bessel funtions of imaginary order
Is there a way to calculate bessel functions of imaginary order? I am looking for something like this: F=besselj(i*nu,x) ...

7 years ago | 1 answer | 1

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answer

Question


Solve 2d wave equation on circular domain using pdetool
Hi, I am wondering how to use the pdetool to solve the wave equation on a circular domain. As far as I can tell it looks like ...

8 years ago | 1 answer | 0

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answer

Question


Integration of the zero function handle ie f(x)=@(x) 0
I have a function that requires the integration of many functions and sometime that function is zero but I don't really know whe...

8 years ago | 1 answer | 0

1

answer

Question


Numerical integration with triplequad and method quadgk
I am wondering how to use quadgk as my method for integration using triplequad. In the help for triplequad it says that quadgk ...

8 years ago | 1 answer | 0

1

answer

Question


numerical triple integral with matlab coder
Is there a way to calculate triple integrals of functions using matlab coder? Coder doesn't support integral3 so I am looking...

8 years ago | 0 answers | 0

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answers

Question


Symbolic or function handle to numeric
Is there a way to turn a symbolic expression or function handle into a numeric expression? For example, say i have: syms x...

8 years ago | 2 answers | 0

2

answers

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How to use symbolic expression with matlab coder
I have a symbolic expression that I would like to integrate using a mex file. I know how to do the integration the following wa...

8 years ago | 1 answer | 0

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Question


Tripple integration matlab code to C/C++ with coder
I am wondering how to create C/C++ code for a triple integral. Matlab coder supports quadgk() but that only works for single va...

8 years ago | 0 answers | 0

0

answers

Question


Numerical Integration of symbolic expression.
I have a lengthy symbolic expression in 3 variables say f(r,z,t). I want to integrate this expression over r and z (for specifi...

8 years ago | 3 answers | 1

3

answers

Question


I need help factoring a symbolic expression
I have a symbolic expression in 3 variables f(r,z,t). I am trying to factor it such that I have an expression of the form: ...

8 years ago | 1 answer | 0

1

answer

Question


Fit surface from Two vectors and a matrix
I have two vectors (of different length) that correspond to x and y locations in the x-y plane. I also have the corresponding ma...

9 years ago | 1 answer | 0

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