Texas Instruments voyage 200 User Manual - Page 836
Causes the input expression to be, simplified to an expression using base, expression1.
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log( ) CATALOG log(expression1[,expression2]) ⇒ expression log(list1[,expression2]) ⇒ list Returns the base-expression2 logarithm of the argument. log(2.0) ¸ If complex format mode is REAL: log({ë 3,1.2,5}) ¸ Error: Non-real result .301... For a list, returns the base-expression2 logarithm of the elements. If expression 2 is omitted, 10 is used. If complex format mode is RECTANGULAR: log({ë 3,1.2,5}) ¸ {llnn((130)) + p ln(10) øi .079... llnn((150))} log(squareMatrix1) ⇒ squareMatrix Returns the matrix base-expression2 logarithm of squareMatrix1. This is not the same as calculating the base-expression2 logarithm of each element. For information about the calculation method, refer to cos(). squareMatrix1 must be diagonalizable. The result always contains floating-point numbers. In Radian angle mode and Rectangular complex format mode: log([1,5,3;4,2,1;6,ë 2,1]) ¸ ..179945......+ì..735135......øøii .003...ì.647...øi .462...+.270øi ... ... ë.115...ì.904...øi .488...+.777...øi ... log(x,b) ⇒ expression log(squareMatrix1) ⇒ squareMatrix Log(10,3) - log(5,3) ¸ Log3(2) Log(2.0,4)¸ .5 In a list, returns the base-expression2 logarithm of the elements. 4l o g b a s e MATH/String menu expression 4logbase(expression1) ⇒ expression Causes the input expression to be simplified to an expression using base expression1. Log(10,3) - log(5,5)4logbase(5) ¸ log 5(30) log 5(3) 838 Appendix A: Functions and Instructions
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