Appendix A: System Routines — Solver
943
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_csolve
Declaration:
void
push_csolve
(EStackIndex
k
, EStackIndex
vi
)
Category(ies):
Solver
Description:
Pushes onto the estack a Boolean expression that describes the complex
solution set of the Boolean expression indexed by
k
, for the variable(s)
indexed by
vi
.
Uses the principal branch of any fractional powers.
If invoked via
push_internal_simplify
,
vi
and
k
are simplified to deepest
variable(s).
Inputs:
k
— Index of the top tag of a Boolean expression that is usually one or
more equations and/or inequalities joined by “and” operators.
vi
— Index of the top tag of a variable, an equation of the form
variable = constant representing an initial guess, or a list of
variables and/or such initial guesses.
Outputs:
None
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.02 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: push_solve, push_czeros, push_zeros, push_nSolve
Example:
push_negate_quantum_as_negint(1u);
right_side = top_estack;
push_quantum_as_nonnegative_int (2u);
exponent = top_estack;
push_quantum (8u); /* Push variable x */
replace_top2_with_pow (exponent); /* top_estack -> x^2 */
push_equals (top_estack, right_side);
equation = top_estack; /* equation -> x^2 = -1 */
push_quantum (8u); /* push variable x */
push_csolve (equation, top_estack); /* top_estack -> x=i or x=-i */
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