Question

2. In Lecture 04 we discussed the merits of the atan2 command. Create a programmer-defined function atan3 that mimics the functionality of atan 2. Remember that the form of the function atan2 is atan2 ( y, x). The quadrant correction is to add r to the result of the inverse tangent calculatior if < 0; no correction is made to the result of the inverse tangent calculation if x 0. Note that atan2 returns a value E [, , though your atan3 function need not constrain the result to that interval (i.e. it is okay if your result is off by a period, or 2T) In a script, test your atan3 function against the built-in atan2 function.

Answer 1

`Hey,

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clc
clear all
close all
atan3(1,-2)

function r=atan3(y,x)
if(x<0)
r=atan(y/x)+pi;
else
r=atan(y/x);
end
end

MATLAB R2018a Search Documentation Log In HOME PLOTS APPS EDITOR PUBLISH VEW Find Files Insert Run Section Go To Compare Comment% New Open Sav Breakpoints Rur Run and eAdvance Run and Indent E Print Find Advance Time EIL NAVIGATE EDIT BREAKPOINTS BUN C:Users PRADEEP KALRA Documents MATLAB Editor - CAUsers\PRADEEP KALRA Documents\MATLA B1saveee.m saveee.m bisectionmethodbypradeep.m SimpsonComp.m x falsepos.m xfindroots.m Xnewtonrapsonsbypradeep.mx Current Folder x Name clo clear al. mathlab mynewdir New folder a1.m a2.m AFen3 (-2) function r=atan3 (y, x) if (x<0) 5 7- r=atan (y/x) +pi; else a5.m A1.dat A1.mat r-atan (y/x) ; 11- A3 dat A4.dat AS.dat Details A Command Window C Workspace New to MATLAB? See resources for Getting Started. Name Value ans 2.6779 ans 2.6779 atan3 In 11 Col 4 3:28 AM ENG O Type here to search 06/17/19

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