A = imread(filename) reads the image from the file specified by filename, inferring the format of the file from its contents. If filename is a multi-image file, then imread reads the first image in the file.
IF function is one which are used the most often in Excel. IF is a logical function. But you can not only check TRUE / FALSE values. Let's take a look at some IF function examples. IF Function contains from 3 parts: Logical test - IF function checks if this test is true or false in the cell. Value if true - IF function puts this value if logical test is true. Value if false - IF function puts this value if logical test is false.
Properties [edit]. Definition: A function is injective if. Lemma: Consider a function and suppose. Then is injective if and only if there exists a function with. Proof : : Suppose is injective. As let's define as an arbitrary element of.