How to check if several variables are not equal ?

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Dalia Sobhy
Dalia Sobhy 2017-12-13
评论： KL 2017-12-13
Hello How to check if several variables are not equal ? for example:
for i=1:row1
for j=1:row1
for k=1:row1
for ii=1:row1
for jj=1:row1
for kk=1:row1
So I want to check that they are all not equal, in case they are different do the following:... so any help how to do this ?
Thanks

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回答（1 个）

KL
KL 2017-12-13
编辑：KL 2017-12-13
use isequal. It checks all the inputs are equal and if yes, it returns 1. Use ~ if you want only the else case.
if isequal(var1,var2,var3,...)
...
else
...
But so many for loops, explain your real problem, it may have a simpler approach.
  2 个评论
Dalia Sobhy
Dalia Sobhy 2017-12-13
Okay will try it.
I am trying to get data from wsdream dataset which is a web services dataset.
Given that I have 140 service providers, where each may provide some components from a set of 4500 components. So How to find 6 providers which provide the same 3 components ?
Thanks
KL
KL 2017-12-13
Quite vague and I can only give you some hints rather than creating some dummy data to show you an example.
  1. Store your data in a table.
  2. Filter data based on components.
  3. Use something like ismember across the result you get in the above step to find the common provider across 3 components.

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