#!/usr/bin/env python3fromsympyimport symbols, sin, solve
fromsympy.plottingimport plot3d
print('1.')
x, y, z, t = symbols('x, y, z, t', real=True)
eqs = [x **2+ y **2+ z **2-49,
x * y + y * z + z * x -1,
x **2+ x * y **2+ y **3+ z +1,
2* y - z **3-3* x * z,
x **2* y **2+ x * z -2* y **3-10,
sin(x * y) + sin(y * z) + sin(x * z) -1]
eqs1 = [6* x +2* y +3* z -49,
x + y +2* z -2,
13* x +15* y + z +15,
-6* x +2* y -15* z +22,
4* x + y + z -13,
z]
for i, (eq, eq1) inenumerate(zip(eqs, eqs1)):
c =chr(ord("a") + i)
print(f'({c})')
try:
zs = solve(eq, z) + solve(eq1, z)
p = plot3d(*zs,
show=False)
p.save(f'sample1_{c}.png')
exceptExceptionas err:
print(err)
p.show()
入出力結果(Zsh、PowerShell、Terminal、Jupyter(IPython))
% ./sample1.py
1.
(a)
(b)
<string>:1: RuntimeWarning: divide by zero encountered in true_divide
float division by zero
(c)
(d)
(e)
(f)
multiple generators [tan(x*z/2), tan(y*z/2)]
No algorithms are implemented to solve equation -1 + 2*tan(y*z/2)/(tan(y*z/2)**2 + 1) + 2*tan(x*z/2)/(tan(x*z/2)**2 + 1) + 2*tan(x*y/2)/(tan(x*y/2)**2 + 1)
%
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