HP 15c - Manual (Page 80)

80 Section 3: Calculating in Complex Mode
80
Keystrokes Display
|n 067- 43 32
Determine the streamline using z
0
= −2 + 0.1 i, step size h = 0.5, and number of points n = 9.
Keystrokes Display
|¥ Run mode.
9
v 9.0000 Enters n.
.5 v 0.5000 Enters h.
2 ”v -2.0000
.1
´V -2.0000 Enters z
0
.
´A -1.5000 x
1
.
0.1343 y
1
.
⋮ ⋮
2.0000 x
9
.
0.1000 y
9
.
A 9 2 Descriptor for matrix A.
|"8 A 9 2 Deactivates Complex mode.
Matrix A contains the following values of x
k
and y
k
:
x
k
y
k
−2.0 0.1000
−1.5 0.1343
−1.0 0.4484
−0.5
0.9161
0.0 1.0382
0.5 0.9161
1.0 0.4484
1.5 0.1343
2.0 0.1000
The streamline and velocity equipotential lines are illustrated below. The derived streamline
corresponds to the heavier solid line.