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Ethan Boyce


Last seen: 3 years ago |  Active since 2020

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Crank Nicolson for non homogeneous heat equation
Hey folks, I have ran into a problem. I am coding for the c-n method and using this base code with the given starting values for...

4 years ago | 0 answers | 0

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answers

Question


Creating phase portraits using quiver
I am trying to use quiver() to build a phase portrait of a funtion and I am having trouble. I know our points of equilibrium and...

4 years ago | 1 answer | 0

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answer

Question


Calling a indices using 'find' function
I guess the easiest way to ask this question is to show first, a = [1 -1 2 -1; 2 -2 3 -3;1 1 1 0; 1 -1 4 3]; [row,col] = find...

4 years ago | 1 answer | 0

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answer

Question


How does Matlab interpret for loops when say I=n:-1:1
So this is a code for gaussian elimination, the code seems to work but my question is for clarification on the function of the f...

4 years ago | 1 answer | 0

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Solved


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

4 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:...

4 years ago

Question


Ignoring a set of values
I need to ignore the second values returned for my subsequent functions. In other words, for the values of t_max, I need to keep...

4 years ago | 1 answer | 0

1

answer

Question


Composite Boole's rule
I'm having some trouble coding the composite Boole's rule. Coding for an interval when n=4 is simple enough but it falls apart w...

4 years ago | 1 answer | 0

1

answer

Question


determining order of accuracy
I've been given a table of discretion size and relative error and asked to determine the order of accuracy. I am new to Matlab a...

5 years ago | 1 answer | 0

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