Appendix A: System Routines — Math
839
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_tanh
Declaration:
void
push_tanh
(EStackIndex
k
)
Category(ies):
Math
Description:
Pushes onto the estack the internally-simplified hyperbolic tangent of the
expression indexed by
k
. When
k
indexes a square numeric matrix, pushes
the Float matrix tanh computed via tanh(eigenvalues).
Inputs:
k
— Indexes the top tag of an internally-simplified algebraic expression,
algebraic 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_sinh, push_cosh
Example:
push_quantum (PLUS_INFINITY_TAG); /* Push +
∞
*/
push_tanh (top_estack); /* Pushes tagged integer 1 */
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