Placing a number to regularly increasing array

Question

Orhan Celikkaya 2018-1-5

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/375685-placing-a-number-to-regularly-increasing-array

编辑： Stephen23 2019-6-21

Hi everyone,

I have very basic problem but I can't deal with it. I have an array that regulary increasing e.g. 1,2,3,4,5..,10. I want to write a function that take decimal or integer number as input and determines that this number's place in that array. For example I wrote 3.2 as input and the function that I'll write should determine this number is between 3 and 4. Is there any function do the same thing? If not, how can I solve this? Any thoughts?

Thanks in advance.

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Stephen23 2019-6-21

"Is there any function do the same thing?"

https://www.mathworks.com/help/matlab/ref/histc.html

https://www.mathworks.com/help/matlab/ref/histcounts.html

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Answer 1

Navdha Agarwal 2019-6-21

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https://ww2.mathworks.cn/matlabcentral/answers/375685-placing-a-number-to-regularly-increasing-array#answer_380194

在 MATLAB Online 中打开

I hope the following snippet help you.

a = 1:10;
insert = 3.2;
for i = 1:length(a)
    if( i == 1 && insert <= a(i))        % if the element to be inserted is smaller than the first element of the array
        b = [insert a];
        break;
    elseif( insert >= a(i) && insert <=a(i+1))        % if the element to be inserted is in between the array 
        b = [a(1:i) insert a(i+1:end)];
        break;
    else                                % if the element to be inserted is greater than all the elements in the array and is inserted at the end
        b = [a insert];
        break;
    end
end
disp(b)