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using max function without conditional function

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Maria
Maria 2020-8-29
回答： Walter Roberson 2020-8-29
how using max function, logical operators and comparison operators to write a code that if a number larger than 100, then return the difference between thwo values, and this number smaller than 100 then return 0.
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Maria
Maria 2020-8-29
if num>100
output= num-100
if num<=100
output=0
This is conditional function, but I cannot use conditional function to solve this. Only logical and comparsion or max function
dpb
dpb 2020-8-29
As this is obviously homework, it's not kosher to just provide the answer ... but hint: look at
<Matrix Indexing Example-3>

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回答（1 个）

Walter Roberson
Walter Roberson 2020-8-29
A > B implies A - B > 0 . Which implies that the maximum of (A-B) and (0) is (A-B).
A < B implies A - B < 0. Which implies that the maximum of (A-B) and (0) is (0).

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