 | | Simple Maths Help Needed —Tore Eriksson
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| | | I'm ashamed to admit, but I have got stuck in a quite simple Maths problem. It's all about an implementation of the basic formula y=kx+m, but somehow I have managed to think the wrong way. Luckily, I made problems like this in a glanse back in (...) (19 years ago, 4-Feb-06, to lugnet.cad.dev)
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| | | | | Re: Simple Maths Help Needed —Ross Crawford
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| | | | (...) I think what you want is: value = start_value + ((end_value - start_value) * (Progress - from) / (to - from)) HTH ROSCO (19 years ago, 4-Feb-06, to lugnet.cad.dev)
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| | | | | | Re: Simple Maths Help Needed —Tore Eriksson
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| | | | (...) Oh, how close I was, and yet... Thanks a lot, Rosco! /Tore (19 years ago, 4-Feb-06, to lugnet.cad.dev)
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| | | | | | Re: Simple Maths Help Needed —Timothy Gould
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| | | | (...) There is another way ;) (Start_value*(to-Pro.../(to-from) Is nice and symmetric and more numerically stable. Tim (19 years ago, 5-Feb-06, to lugnet.cad.dev)
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| | | | | | Re: Simple Maths Help Needed —Tore Eriksson
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| | | | (...) Rule #1: Never fix anything that's not broken! :) I need to make an if statement to take care of the exception where 'to' equals 'from', to avoid a division by zero crash anyway. Who knows what users can bring up... /Tore (19 years ago, 5-Feb-06, to lugnet.cad.dev)
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