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Robert Canfield


Virginia Tech

44 total contributions since 2012

Dr. Robert A. Canfield is Professor and Assistant Head of the Aerospace and Ocean Engineering Department at Virginia Tech.
Professional Interests: Multidisciplinary Design Optimization, computational methods

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Contributions in
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Submitted


slp_sqp
Sequential Linear Programming (SLP) with trust region strategy and Sequential Quadratic Programming (SQP)

6 mesi ago | 23 downloads |

Submitted


central_diff.m
Calculates numeric gradient using second-order difference formula for unevenly spaced data

circa 4 anni ago | 14 downloads |

Thumbnail

Answered
How to read NASTRAN results in MATLAB and run NASTRAN back using MATLAB ??
Anthony Ricciardi's Nastran Compatible Finite Element (CoFE) MATLAB code may be of some help: <http://nastrancofe.weebly.com CoF...

circa 4 anni ago | 0

Solved


Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

circa 6 anni ago

Problem


Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

circa 6 anni ago | 0

Problem


Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Analytical solution to bungee jumper problem. Given time series as a vector, parameters mass and drag coefficient, and gravit...

circa 6 anni ago | 0

Solved


Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Analytical solution to bungee jumper problem. Given time series as a vector, parameters mass and drag coefficient, and gravit...

circa 6 anni ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

oltre 6 anni ago

Problem


Composite Trapezoidal Rule for Numeric Integration
Use the trapezoidal rule to numerically integrate a function, _f(x)_, passed as the first argument, between upper and lower limi...

circa 7 anni ago | 0

Solved


Composite Trapezoidal Rule for Numeric Integration
Use the trapezoidal rule to numerically integrate a function, _f(x)_, passed as the first argument, between upper and lower limi...

circa 7 anni ago

Solved


Lagrange Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago

Problem


Lagrange Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago | 0

Problem


Polynomial Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago | 1

Solved


Polynomial Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago

Problem


Newton Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago | 0

Solved


Newton Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

circa 7 anni ago

Solved


Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

circa 7 anni ago

Problem


Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

circa 7 anni ago | 0

Solved


Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

circa 7 anni ago

Problem


Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

circa 7 anni ago | 0

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

circa 7 anni ago

Problem


Partial pivoting for Gauss Elimination
Write a function to implement partial pivoting for Gauss elimination, given the pivot element.

circa 7 anni ago | 0

Solved


Partial pivoting for Gauss Elimination
Write a function to implement partial pivoting for Gauss elimination, given the pivot element.

circa 7 anni ago

Problem


Bisection method of finding a root.
Test the bisection algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB for E...

circa 7 anni ago | 0

Solved


Bisection method of finding a root.
Test the bisection algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB for E...

circa 7 anni ago

Problem


False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...

circa 7 anni ago | 0

Solved


False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...

circa 7 anni ago

Answered
Missing Statistics Toolbox
I had this problem, too, on a _Mac OS X_ computer. I tracked it to the _pathdef.m_ file in the _~/Documents/MATLAB_ folder. Remo...

oltre 7 anni ago | 1

| accepted

Problem


Augmented Lagrange Multiplier (ALM) Method
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_ ( _x_ ), g...

oltre 7 anni ago | 0

Solved


Augmented Lagrange Multiplier (ALM) Method
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_ ( _x_ ), g...

oltre 7 anni ago

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