please guide me how to do if loop

1 view (last 30 days)
Saleh on 18 Oct 2022
Commented: Walter Roberson on 18 Oct 2022
hello i want to write in Matlab script that asks the user to enter a number between 1 to 3 If the user enters 1 it will show this graph below
inpt = "choose from 1 to 3 : ";
s = input(inpt);
k = 6 + 6;
size = 30 + 9;
t = linspace(-pi,pi,1000);
X = size * cos (k*t) .* cos(t);
Y = size * cos (k*t) .* sin(t);
title('Matlab Flower')
If the user enters 2 it will show a table (( still i didn't complete it ))
If the user enters 3 it will show the Sinusoidal Graph
figure (1)
X = 6*cos(2*pi*20*t) + 2*sin(2*pi*10*t);
plot(t,X, ‘r’)
title('Sinusoidal Graph')
and if the user inputs any other number ((more tnan 3 or below 1 )), they notice "You have picked invalid option" is displayed
please help me

Answers (1)

Walter Roberson
Walter Roberson on 18 Oct 2022
while true
s = input(inpt);
check whether s is numeric scalar 1 2 or 3
if it is a valid choice
give warning message
process the choice
Walter Roberson
Walter Roberson on 18 Oct 2022
You put that code in where I wrote the outline "give warning message"
Most of what I wrote is outline. The literal parts are "while true" and "break"

Sign in to comment.


Find more on Loops and Conditional Statements in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!