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image -- image of a map
Description
image h
-- yields the image of the homomorphism
h
.
The result will be a submodule of the target of h
If h is a ring element, it is interpreted as a one by one matrix.
Ways to use
image
:
"image(ChainComplexMap)"
"image(GradedModuleMap)"
"image(Matrix)"
"image(RingElement)"
For the programmer
The object
image
is
a
method function
.