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#1
12-02-2004, 19:04
 flem Guest Posts: n/a
log(t,base)

I have to draw a curve: f(x)=2*log(x), x>0

When i try to make this I get the following message:

"Too few parameters in call to function "BASE" from 'y'"

What do I do wrong :?:

Can some body give a step by step solution :?:

Best regards flem :wink:
#2
12-02-2004, 22:18
 Alex Administrator Join Date: Nov 2002 Posts: 1,941 Blog Entries: 4
Re: log(t,base)

Do you try to plot a natural logarithm, or base-10 logarithm or something else?

If you need the natural logarithm, then use the function ln instead:

y(x) = 2 * ln(x)

If you need a 10-base logarithm, use log10 function. The function [b]log[/n] requires two parameters - the argument and the logarithm base. That is:

ln(x) = log(x, 2.71828182845905)
log10(x) = log(x, 10)

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