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Calculation of a sum with variable values from textbox prompt

2 vues (au cours des 30 derniers jours)
sverre Kvist
sverre Kvist le 4 Sep 2023
Modifié(e) : Matt J le 4 Sep 2023
Hi,
I'm looking to get an user input on amount of Resistors, then make an array with that number. Then make a prompt with an input for each resistor value, to be added to the array.
My concrete question is in regards to the prompting, how do i get multiple edit fields in the promt, and connect them to the array,
also accept suggestions for the summing too.
Formula i wish to calculate:
Code so far:
clc, clear, close all;
prompt = {'Enter number of resistors:'};
dlgtitle = 'Number of resistors';
dims = [1 35];
definput = {'1'};
Resistors = inputdlg(prompt,dlgtitle,dims,definput);
R_array = zeros(1,str2double(Resistors(1)))
  3 commentaires
Dyuman Joshi
Dyuman Joshi le 4 Sep 2023
"how do i get multiple edit fields in the promt"
Refer to the documentation page of inputdlg on how to get multiple inputs.
You will get the inputs in the form of a cell array, manipulate them according to your requirements.
sverre Kvist
sverre Kvist le 4 Sep 2023
Thank you for the feedback.
I figured out a way. For reference if other people have the same, or similar question:
prompt = {'Resistors in paralell:'};
dlgtitle = 'Number of resistors';
dims = [1 35];
definput = {'1'};
Resistors = inputdlg(prompt,dlgtitle,dims,definput);
R_array = zeros(1,str2double(Resistors(1)));
for i=1:numel(R_array)
temparr{i} = "Resistor";
end
x = inputdlg(temparr);
sum = 0;
for i=1:numel(x)
sum = sum + (1/str2double(x{i}));
end
R_total = sum^-1

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Matt J
Matt J le 4 Sep 2023
Modifié(e) : Matt J le 4 Sep 2023
Then make a prompt with an input for each resistor value
It shouldn't require multiple prompts,
nor a loop to do the summation:
>> x=inputdlg
x =
1×1 cell array
{'[1,2,3,4]'}
>> sum(str2num(x{1}))
ans =
10

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