Changes between Version 1 and Version 2 of Ticket #27584, comment 21
 Timestamp:
 04/06/19 23:49:46 (2 years ago)
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Ticket #27584, comment 21
v1 v2 14 14 }}} 15 15 16 The coercion is already known: 17 18 {{{ 19 sage: M.mixed_form_algebra().has_coerce_map_from(SR) 20 True 21 }}} 22 16 23 So, I have really no idea why it won't work. But for scalar fields, it does: 17 24 18 25 {{{ 19 sage: M = Manifold(2, 'M')20 sage: X.<x,y> = M.chart()21 26 sage: f = M.scalar_field_algebra()(x); f 22 27 Scalar field on the 2dimensional differentiable manifold M