Texas Instruments NS/CLM/1L1/B Reference Guide - Page 52
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Loop Loop Block EndLoop Repeatedly executes the statements in Block. Note that the loop will be executed endlessly, unless a Goto or Exit instruction is executed within Block. Block is a sequence of statements separated with the ":" character. Note for entering the example: In the Calculator application on the handheld, you can enter multi-line definitions by pressing @ · instead of at the end of each line. On the computer keyboard, hold down Alt and press Enter. Catalog > LU LU Matrix, lMatName, uMatName, pMatName[, Tol] Calculates the Doolittle LU (lower-upper) decomposition of a real or complex matrix. The lower triangular matrix is stored in lMatName, the upper triangular matrix in uMatName, and the permutation matrix (which describes the row swaps done during the calculation) in pMatName. lMatName · uMatName = pMatName · matrix Optionally, any matrix element is treated as zero if its absolute value is less than Tol. This tolerance is used only if the matrix has floatingpoint entries and does not contain any symbolic variables that have not been assigned a value. Otherwise, Tol is ignored. /· • If you use or set the Auto or Approximate mode to Approximate, computations are done using floatingpoint arithmetic. • If Tol is omitted or not used, the default tolerance is calculated as: 5EM14 ·max(dim(Matrix)) ·rowNorm(Matrix) The LU factorization algorithm uses partial pivoting with row interchanges. M mat4list() mat4list(Matrix) ⇒ list Returns a list filled with the elements in Matrix. The elements are copied from Matrix row by row. Catalog > Catalog > 46 TI-Nspire™ Reference Guide