Texas Instruments TI89 Developer Guide - Page 321
push_dependent_factors, push_constant_factors, push_nonnumeric_factors
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Appendix A: System Routines - Algebra Utilities 279 push_independent_factors Declaration: void push_independent_factors (EStackIndex i, EStackIndex var) Category(ies): Algebra Utilities Description: Pushes onto the estack the product of all syntactic factors of the expression indexed by i that are independent of the variable or kernel indexed by var. If there are no independent factors, pushes Float1 if IS_ARITH_APPROX is true and Integer1 if IS_ARITH_APPROX is false. Inputs: i - Index of the top tag of an internally-simplified algebraic expression. var - Index of the top tag of an internally-simplified variable or kernel. Outputs: None Assumptions: None Side Effects: None Availability: On AMS 2.02 and higher. TI-89 / TI-92 Plus Differences: None See Also: push_dependent_factors, push_constant_factors, push_nonconstant_factors, push_nonnumeric_factors, numeric_factor_index, push_but_factor, index_rmng_fctrs_start_base, index_rmng_fctrs_start_base_tag, index_rmng_fctrs_start_fctr_tag, index_rmng_factor Example: push_quantum (PI_TAG); k = top_estack; push_quantum (8u); /* Push variable x */ replace_top2_with_prod (k); k = top_estack; push_quantum (9u); j = top_estack; /* Push variable y */ push_ln (j); /* Push ln(y); */ replace_top2_with_prod(j); /* top_estack -> ln(y) * y */ replace_top2_with_prod(k); k = top_estack; /* top_estack -> x * ln(y) * y * pi */ push_quantum (9u); /* Push y */ push_independent_factors (k, top_estack); /* Pushes x * pi */ TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001
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