![\"Chart](\"https:\/\/blogs.mathworks.com\/images\/seth\/2013Q1\/ML_chart_in_library.png\")
<\/p>\r\n\r\nHave you noticed a new block in the Stateflow Library since R2012b?<\/p>\r\n\r\n
<\/p>\r\n\r\n
The MATLAB Chart<\/a> block uses MATLAB as the action language for states and transitions in Stateflow<\/a>.<\/p>\r\n\r\n This means that you don't have to create a separate MATLAB Function<\/a> every time you want to do matrix math in a Stateflow chart. Let's look at a few examples of what can be done in a MATLAB Chart.<\/p>\r\n\r\n Matrix Operations<\/strong><\/p>\r\n\r\n Let's say I define a bus object containing a 3x1<\/tt> position vector and a 3x3<\/tt> rotation matrix:<\/p>\r\n\r\n With MATLAB as the action language, I can multiply the bus elements directly in a transition action:<\/p>\r\n\r\n Access to all MATLAB Coder supported functions<\/strong><\/p>\r\n\r\n With MATLAB as the action language, you can use any function supported by MATLAB Coder for code generation<\/a>. For example, I can use the functions like ones<\/a> and eig<\/a> in a transition:<\/p>\r\n\r\n Manipulating Arrays of buses<\/strong><\/p>\r\n\r\n Let's say I want my chart to generate an array of the bus defined previously, I could write something like:<\/p>\r\n\r\n Conclusion<\/strong><\/p>\r\n\r\n Based on my experience, using MATLAB as the action language in Stateflow charts makes it a lot easier to implement the algorithms I need. Since I first tried it, I have not needed to use C as the action language.<\/p>\r\n\r\n Of course, the MATLAB Chart block is not the best choice for all applications. If your application is interfacing with legacy C functions or more naturally expressed in C language, than there is no need to switch. The C chart<\/a> block that we are all used to still continues to be developed and supported.<\/p>\r\n\r\n If you need help deciding which block to use, I recommend looking at the Differences Between MATLAB and C as Action Language Syntax<\/a> in the Stateflow documentation.<\/p>\r\n\r\n Now it's your turn<\/strong><\/p>\r\n\r\n Have you tried using MATLAB as the action language in your Stateflow charts? Let us know what you think by leaving a comment here<\/a>.<\/p>\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":" Have you noticed a new block in the Stateflow Library since R2012b?\r\n\r\n\r\n\r\nThe MATLAB Chart block uses MATLAB as the action language for states and transitions in Stateflow.\r\n\r\nThis means that you... read more >><\/a><\/p>","protected":false},"author":41,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[56,16],"tags":[455],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/posts\/1428"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/comments?post=1428"}],"version-history":[{"count":40,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/posts\/1428\/revisions"}],"predecessor-version":[{"id":1950,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/posts\/1428\/revisions\/1950"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/media?parent=1428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/categories?post=1428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/simulink\/wp-json\/wp\/v2\/tags?post=1428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Bus](\"https:\/\/blogs.mathworks.com\/images\/seth\/2013Q1\/bus_object_for_sf.png\")
<\/p>\r\n\r\n![\"matrix](\"https:\/\/blogs.mathworks.com\/images\/seth\/2013Q1\/matrix_multiply_in_sf.png\")
<\/p>\r\n\r\n![\"Using](\"https:\/\/blogs.mathworks.com\/images\/seth\/2013Q1\/matlabfunctions_in_sf.png\")
<\/p>\r\n\r\n![\"Manipulating](\"https:\/\/blogs.mathworks.com\/images\/seth\/2013Q1\/array_of_buses_in_ML_chart.png\")
<\/p>\r\n\r\n<\/div>