Texas Instruments TI89 Developer Guide - Page 747
Nonnegative_integer_tag List_tag End_tag 2 1 Nonnegative_integer_tag
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Appendix A: System Routines - Lists and Matrices 705 push_prodlist Declaration: void push_prodlist (EStackIndex i) Category(ies): Lists and Matrices, Math Description: Pushes onto the estack the product of the matrix or list elements indexed by i. For a list the result is an expression which is the product of all elements of the list. For a matrix the result is a row vector containing the products of the matrix columns. Inputs: i - Indexes the input list or matrix. Outputs: None Assumptions: None Side Effects: May expand expression stack, cause heap compression, or throw an error. Availability: On AMS 2.00 and higher. TI-89 / TI-92 Plus Differences: None See Also: push_cumsum, push_sumlist Example: If j indexes at the bolded tag the matrix [1, 2; 3, 4] as follows END_TAG END_TAG 4 1 NONNEGATIVE_INTEGER_TAG 3 1 NONNEGATIVE_INTEGER_TAG LIST_TAG END_TAG 2 1 NONNEGATIVE_INTEGER_TAG 1 1 NONNEGATIVE_INTEGER_TAG LIST_TAG LIST_TAG then push_prodlist (j); pushes a row vector containing the column products of the matrix, [3, 8], onto the estack such that top_estack points to the bolded tag as follows. END_TAG END_TAG 8 1 NONNEGATIVE_INTEGER_TAG 3 1 NONNEGATIVE_INTEGER_TAG LIST_TAG LIST_TAG TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001
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