How to find and display some value with condition?

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son
son 2014-8-23
评论： Image Analyst 2014-8-23
Hi, i want to find and also display in message box all the value which is satisfied conditions:
given
x = randi(10,100,1);
y = 1:1:100;
z = y* exp(x);
s = max(z)
find all z that is z > 0.9*s and also display which x corresponds to z
please help, many thanks
  1 个评论
Image Analyst
Image Analyst 2014-8-23
编辑：Image Analyst 2014-8-23
But if z = y * exp(x); then z is a scalar for those vector shapes. So I guess the answer is that one scalar element.

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Image Analyst
Image Analyst 2014-8-23
编辑：Image Analyst 2014-8-23
OK, I'm going to assume you really didn't code up your problem the way you wanted to, change the code, and then offer up this solution:
clc;
x = randi(10, 1, 100);
y = 1:1:100;
z = y .* exp(x);
s = max(z)
bigZIndexes = find(z > 0.9 * s)
bigZ = z(bigZIndexes)
message = sprintf('%f\n', bigZ);
uiwait(msgbox(message));

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