MHB Need help writing a pure math formula

AI Thread Summary
The discussion revolves around creating a mathematical formula for a website plugin that calculates a value based on the area defined by length (A) and width (B). The area (C) is determined by the formula A * B, and then a piecewise function applies different multipliers to C based on its value. The specified ranges for C and their corresponding multipliers are outlined, with the user seeking to convert an Excel formula into a pure mathematical representation. A response indicates that the formula is a piecewise function and suggests that the programming language of the plugin may be relevant for implementation.
mcreech
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Hello,
I am really struggling to write a math formula that I need for my website plugin.

A=(Length) B=(Width) C=(Square Inch)
A*B=C
0<=C<=16 then C*.84
17<=C<=34 then C*.70
35<=C<=65 then C*.56
66<=C<=99 then C*.42
100<=C<=150 then C*.35
151<=C<=500 then C*.31

I wrote this formula in excel, but I need a pure math formula. Here is the excel formula…G2 represents sq in. =IF(G2<=16,G20.84,IF(G2<=34,G20.7,IF(G2<=65,G20.56,IF(G2<=99,G20.42,IF(G2<=150,G20.35,IF(G2<=200,G20.31))))))Any help would be much appreciated, Thanks!
 
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mcreech said:
Hello,
I am really struggling to write a math formula that I need for my website plugin.

A=(Length) B=(Width) C=(Square Inch)
A*B=C
0<=C<=16 then C*.84
17<=C<=34 then C*.70
35<=C<=65 then C*.56
66<=C<=99 then C*.42
100<=C<=150 then C*.35
151<=C<=500 then C*.31

I wrote this formula in excel, but I need a pure math formula. Here is the excel formula…G2 represents sq in. =IF(G2<=16,G20.84,IF(G2<=34,G20.7,IF(G2<=65,G20.56,IF(G2<=99,G20.42,IF(G2<=150,G20.35,IF(G2<=200,G20.31))))))Any help would be much appreciated, Thanks!

Hi mcreech! Welcome to MHB! (Smile)

What you have there, is a piece wise function.
Writing it mathematically won't help to get it into a website plugin.
What is the language of your website plugin?
 
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