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revision 3.6.7
SX/sparsity_jac.py
This example looks at the sparsity_jac method
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source (python)
See also
casadi::SXfunction::sparsity_jac();
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from
casadi
import
*
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from
numpy
import
*
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import
casadi
as
c
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from
pylab
import
spy, show
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x = SX.sym(
"x"
,40)
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y = x[:-2]-2*x[1:-1]+x[2:]
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print(y[:5])
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f = Function(
"f"
, [x],[y])
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spy(f.sparsity_jac(0, 0))
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show()