SX/sparsity_jac.py

This example looks at the sparsity_jac method

View output (PDF) | source (python)

See also
casadi::SXfunction::sparsity_jac();
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27 import casadi as ca
28 from numpy import *
29 import casadi as c
30 from pylab import spy, show
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34 x = ca.SX.sym("x",40)
35 y = x[:-2]-2*x[1:-1]+x[2:]
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39 print(y[:5])
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43 f = ca.Function("f", [x],[y])
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47 spy(f.sparsity_jac(0, 0))
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49 show()