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Name: How Can You Use Ln Function in C Programing?
Uploaded: 2026-09-27T19:14:55+00:00
Duration: 16 min 13 s
Description: Header File Math. H Is for Mathematical Functions Like Cos, Sin, Tan. . but How to Write the Ln Function and Not Log? 7 3 Answers the C Function Log Is the...

Question

Header file math.h is for mathematical functions like cos,sin, tan.. But how to write the ln function and not log?

Accepted Answer

The C function log is the natural logarithm, which mathematicians usually write as "ln".

The C function log10 is the logarithm base 10, which is sometimes written "log".

Answer 2

Remember math at school: logA_B = logA_C/logB_C

Answer 3

double ln(double x) { return log(x); }

Or in a pinch

#define ln(x) log(x)

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How Can You Use Ln Function in C Programing?

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Sarah Jenkins

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Sarah Jenkins