Appendix A: System Routines — Math
763
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_acosh
Declaration:
void
push_acosh
(EStackIndex
k
)
Category(ies):
Math
Description:
Pushes onto the estack the internally-simplified principal branch of the
inverse hyperbolic cosine of the expression indexed by
k
. Thus the real
part of the result is in the range [0,
∞
].
When
k
indexes a square numeric matrix, pushes the Float matrix acosh
computed via
acosh
(eigenvalues(matrix)).
Inputs:
k
— Indexes the top tag of an internally-simplified algebraic expression,
comparison, or aggregate thereof.
Outputs:
None
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.02 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: push_asinh, push_atanh
Example:
push_quantum_as_nonnegative_int(1u); /* Pushes tagged integer 1 */
push_acosh (top_estack); /* Pushes tagged 0 or 0.0 */
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