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I am not sure what a "stub class" article may be, but I have made some revisions to this article that I believe help to explain four-bar linkages more clearly. Prof McCarthy ( talk) 06:04, 27 June 2011 (UTC)
This article is nearly incomprehensible. I have a doctorate in biophysics, and a master's in computer engineering, yet I have no idea what the four bars are in the slider crank. I also do not see any relationship between the slider crank, and the design of four bar linkages. It is found as a set of three subheadings under that subsection, and this makes no sense to me. Nick Beeson ( talk) 23:32, 10 May 2014 (UTC)
User:Salix alba please consider including in this present article of the content below - now removed. Please also attend the companion Slider-crank linkage.
I am copying User:Prof McCarthy who is an expert in the field and contributed extensively in the past to this article.
This article cites a conference paper connecting the involutory ring of dual numbers to the problem of designing certain spatial linkages of RCCC type. In the introduction, the article claims that one-sided inverses of matrices are the same as Moore-Penrose inverses. It then says that one-sided inverses are unique. In general, one-sided inverses of matrices are far from unique, as demonstrated by the matrix , which admits the set of matrices as all its left inverses. I feel like this needs to be pointed out. -- Svennik ( talk) 17:14, 2 February 2024 (UTC)
I'm not sure the diagrams of a crank-driven slider at the end are exhaustive of linkages of type PRRR, RPRR, RRPR and RRRP. Simple, legible diagrams would be really, really helpful here. -- Svennik ( talk) 17:18, 2 February 2024 (UTC)
![]() | This ![]() It is of interest to the following WikiProjects: | |||||||||||||||||||||||||||
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I am not sure what a "stub class" article may be, but I have made some revisions to this article that I believe help to explain four-bar linkages more clearly. Prof McCarthy ( talk) 06:04, 27 June 2011 (UTC)
This article is nearly incomprehensible. I have a doctorate in biophysics, and a master's in computer engineering, yet I have no idea what the four bars are in the slider crank. I also do not see any relationship between the slider crank, and the design of four bar linkages. It is found as a set of three subheadings under that subsection, and this makes no sense to me. Nick Beeson ( talk) 23:32, 10 May 2014 (UTC)
User:Salix alba please consider including in this present article of the content below - now removed. Please also attend the companion Slider-crank linkage.
I am copying User:Prof McCarthy who is an expert in the field and contributed extensively in the past to this article.
This article cites a conference paper connecting the involutory ring of dual numbers to the problem of designing certain spatial linkages of RCCC type. In the introduction, the article claims that one-sided inverses of matrices are the same as Moore-Penrose inverses. It then says that one-sided inverses are unique. In general, one-sided inverses of matrices are far from unique, as demonstrated by the matrix , which admits the set of matrices as all its left inverses. I feel like this needs to be pointed out. -- Svennik ( talk) 17:14, 2 February 2024 (UTC)
I'm not sure the diagrams of a crank-driven slider at the end are exhaustive of linkages of type PRRR, RPRR, RRPR and RRRP. Simple, legible diagrams would be really, really helpful here. -- Svennik ( talk) 17:18, 2 February 2024 (UTC)