Texas Instruments voyage 200 User Manual - Page 879
Sphere, startTmr, stdDev, as an argument
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4Sphere MATH/Matrix/Vector ops menu vector 4Sphere Displays the row or column vector in spherical form [r q f]. vector must be of dimension 3 and can be either a row or a column vector. Note: 4Sphere is a display-format instruction, not a conversion function. You can use it only at the end of an entry line. [1,2,3]4Sphere ¥ ¸ [3.741... 1.107... .640...] [2,pà4,3]4Sphere ¥¸ [3.605... .785... .588...] ¸ [‡13 p4 cosê (3ø1‡313)] Z ρ Y θ X startTmr() CATALOG startTmr() ⇒ integer Returns the current value of the clock in its integer representation, giving the starttime for a timer. You can enter the starttime as an argument in checkTmr() to determine how many seconds have elapsed. You can run multiple timers simultaneously. Note: See also checkTmr() and timeCnv(). startTmr() ¸ checkTmr(148083315) 148083315 34 startTmr()!Timer1 © startTmr()!Timer2 © checkTmr(Timer1)!Timer1Value © checkTmr(Timer2)!Timer2Value stdDev( ) MATH/Statistics menu stdDev(list[, freqlist]) ⇒ expression Returns the standard deviation of the elements in list. stdDev({a,b,c}) ¸ stdDev({1,2,5,ë 6,3,ë 2}) ¸ Each freqlist element counts the number of consecutive occurrences of the corresponding element in list. Note: list must have at least two elements. stdDev({1.3,2.5,L6.4},{3,2,5}) ¸4. stdDev(matrix1[, freqmatrix]) ⇒ matrix Returns a row vector of the standard deviations of the columns in matrix1. Each freqmatrix element counts the number of consecutive occurrences of the corresponding element in matrix1. stdDev([1,2,5;-3,0,1;.5,.7,3]) ¸ [2.179... 1.014... 2] stdDev([L1.2,5.3;2.5,7.3;6,L4],[4,2;3 ,3;1,7]) ¸ [2.7005,5.44695] Note: matrix1 must have at least two rows. Appendix A: Functions and Instructions 881