mcsmart76

Results 7 issues of mcsmart76

Fix typo and prefer "ground truth" over "groundtruth" as that is how it's done in the rest of the document.

Change "falled" to "fallen".

Add an apostrophe to "walls surfaces".

Add "you" to "should use" when describing using `decorate` inside `draw_func.

Describing the return values of `leastsq` missed the word "first" in "The is an array with the best parameters".