"Matisse's response to Picasso's inventive reorganization of the human figure was concentrated in one of his most sublimely sensuous pictures of Lydia [Delectorskaya], the so-called Pink Nude... which was his variation on the pose of his 1907 Blue Nude. ...Returning to a practice he used with the Barnes murals, he photographed... while it was in progress... As with the murals, he also used pieces of cut paper to make quick modifications to the composition without having to wait for the paint to dry. ...[T]he painting began as a relatively naturalistic rendering... As the picture developed, Matisse radically altered not only the composition but its basic pictorial language... He also tried to augment the forcefulness of the figure by contorting it in a manner similar to Picasso's. ...But in the end, such an approach was not true to his vision, and he reverted..."
January 1, 1970
https://en.wikiquote.org/wiki/Matisse_and_Picasso