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Erik


Swarthmore College

Last seen: 2 years ago Active since 2008

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  • Personal Best Downloads Level 3
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  • GitHub Submissions Level 3
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echeever/BodePlotGui
A tool for generating piecewise linear asymptotic Bode diagrams.

3 years ago | 8 downloads |

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We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

5 years ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

5 years 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...

5 years ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years ago

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Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

7 years ago

Solved


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

7 years ago

Submitted


echeever/SecondOrderGUI
A GUI useful for learning and/or teaching properties of second order systems

8 years ago | 1 download |

Submitted


echeever/ConvolveGUI
A GUI for graphically demonstrating the convolution process.

8 years ago | 1 download |

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

9 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

9 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

9 years ago

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

9 years ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

9 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

9 years ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

9 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

9 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

9 years ago

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Add two numbers
Given a and b, return the sum a+b in c.

9 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

9 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 years ago

Submitted


p_input - mimic functionality of "input" while publishing.
This function mimics the behavior of the "input" function but works while publishing.

12 years ago | 1 download |

Submitted


GUI for Root Locus
This program helps to sketch root locus plot

12 years ago | 8 downloads |

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GUI for Understanding Nyquist Plots
This is a GUI designed to help learn about Nyquist plots.

12 years ago | 3 downloads |

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Submitted


SCAM- A tool for symbolically solving circuit equations
This tool starts with a netlist (similar to spice) and generates and solves the resulting circuit.

15 years ago | 10 downloads |

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Visualizing Phasors, an Animated GUI
A tool for visualizing phasor (voltage, current, impedance), along with animation.

15 years ago | 44 downloads |

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