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udf density depending on depth

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Old   May 8, 2017, 06:45
Default udf density depending on depth
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reza abdollahi
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hi everyone, I am new in udf and I haven't any information about it. I want to define density that depend on depth of ocean. density with going down the ocean change like the picture. I need yo define this changing of density with changing depth. anyone can help me to write this udf?
p.s. : function of changing is not important. I just want code for desity depend on depth
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