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Joseph Percsy


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6 total contributions since 2013

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Question


Vandermonde Matrix and an Error Vector
format long n = inputdlg('Please enter a series of numbers seperated by spaces/commas: ') numbers = str2num(n{1}); ...

7 years ago | 2 answers | 0

2

answers

Question


fminbnd question, program doesn't work?
This is what I have so far. clear x = -2:.01:4; y = x.^2-2*x-4; y=originlen(x); plot(x,y) pause % Pr...

7 years ago | 0 answers | 0

0

answers

Question


Element by Element Multiplication?
Currently I have this. x = [1, .1, .01, .001, .0001, .00001, .000001, .0000001, .00000001, .000000001, .0000000001, .000000...

7 years ago | 1 answer | 0

1

answer

Question


Using fminbnd to find point closest to origin
So I have the parabola y = x^2 − 2x − 4 The distance to the origin is d(x) = sqrt(x^2 + (x^2 − 2x − 4)^2). So I need to pl...

7 years ago | 0 answers | 0

0

answers

Question


Array Elements and Equality Checks
Another really easy question from me, currently I have this code: ADL = [52.0, 109.0, 55.8, 61.6, 18.4, 42.2, 18.2, 9.2, ...

7 years ago | 1 answer | 0

1

answer

Question


How do I plot parabolas and other functions in MATLAB?
I'm trying to plot x2 +9y2 = 36 in MATLAB, but it just doesn't want to work, even if I split it up to 1/3sqrt(36 − x2) and −1/...

7 years ago | 2 answers | 0

2

answers