How to Loop this function

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Brittany Isbister 2021-2-14

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https://ww2.mathworks.cn/matlabcentral/answers/745247-how-to-loop-this-function

评论： Brittany Isbister 2021-2-14

Hi All!

I have this code down below that I am using. I need to loop a function I have so it works and I can display certain messages for certain output values of the function. I have the function working when i'm not trying to do this

this is my function:

function [helpIndex]=needsHelp(age,dur,burden,sati) %function to calculate the helpIndex
helpIndex=0;
if (age>50)
    helpIndex=helpIndex + 1;
end
if (dur>60)
    helpIndex=helpIndex + 1;
end
if (burden>70)
    helpIndex=helpIndex + 1;
end
if (burden>70 & sati<50)
    helpIndex=helpIndex + 1;
end
end

This is the script that I currently have and I am trying to make it so the above function can loop through all of my vlaues and so I can output different sayings when I have a helpIndex between 1 and 2 and when I have one greater than 2.

Here is my script:

%% Part A
T=readtable('Caregivers.xlsx','Range','A1:K101')
A=table2array(T);
age=A(1:100,2);
ageAvg=mean(age)
sdevAge=std(age)
dur=A(1:100,4);
avgDur=mean(dur)
sdecDur=std(dur)
burden=A(1:100,10);
avgBurden=mean(burden)
sdevBurden=std(burden)
sati=A(1:100,11);
avgSat=mean(sati)
sdevSat=std(sati)
%% Part B
percieved=A(1:100,9);
subplot(2,1,1)
scatter(burden,sati)
xlabel('Burden')
ylabel('Satisfaction')
title('Satisfaction vs. Burden')
subplot(2,1,2)
scatter(percieved,sati)
xlabel('Percieved Social Support')
ylabel('Satisfaction')
title('Satisfaction vs.Percieved Social Support ')
%% Part C
for age=1:100 burden=1:100 dur=1:100 sati=1:100
    [helpIndex]=needsHelp(age,dur,burden,sati)
    helpIndex>1 & helpIndex <=2
    fprintf('Caregiver <insert caregiver ID> needs help.')
    helpIndex<2
    fprintf('Warning: Caregiver <insert caregiver ID> needs considerable help')
end

Thank you for all of your help!

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Stephen23 2021-2-14

在 MATLAB Online 中打开

If you vectorized the function you would not need any loops at all:

function helpIndex = needsHelp(age,dur,burden,sati) 
helpIndex = (age>50) + (dur>60) + (burden>70) + (burden>70 & sati<50);
end

Brittany Isbister 2021-2-14

Hi Stephen!

Thank you worked! I'm just wondering if you have any suggestions on how I could add the comments in now for when the values are greater than 2? Thank you for all of your help! :)

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