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Use of built-in colormaps:
MATLAB has built-in colormaps, it is also possible to generate others by using combinations of any colors. For illustration, the following generates a customized colormap with only three colors: black, white, & red. This is then set to be the present colormap by passing the color map matrix to the colormap function. Then, a 40× 40 matrix of arbitrary integers in the range from 1 to 3 (as there are just 3 colors) is generated, and that is passed to the image function; the results are as shown in figure:
>> mycolormap = [0 0 0; 1 1 1; 1 0 0]
mycolormap =
0 0 0
1 1 1
1 0 0
>> colormap(mycolormap)
>> mat = randint(40,40,[1 3]);
>> image(mat)
Function iscellstr - string function: The function iscellstr will return the logical true when a cell array is a cell array of all the strings, or logical false if not. >>
i want to run 4 instances of my matlab code on 4 processor cores. im executing the job from head node. i created a parallel job and assigned number of workers. but i don''t get bac
sane as above
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