Created
July 31, 2022 23:32
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Calculating an inverse jacobian matrix
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| from sympy import Matrix, symbols, sin, cos, pi | |
| r, lat, lng = symbols('r lat lng') | |
| sphericalToCartesian = Matrix([r*sin(lat)*cos(lng), r*sin(lat)*sin(lng), r*cos(lat)]) | |
| jacobian = sphericalToCartesian.jacobian(Matrix([r, lat, lng])) | |
| print(jacobian) | |
| inverseJacobian = jacobian.inv() | |
| inverseJacobian.simplify() | |
| print(inverseJacobian) | |
| # Now substitute values for the radius, latitude, and longitude. | |
| # print(a.subs([(r, 1), (g, pi/2), (f, pi/2)])) |
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