im2double - Convert image to double precision - MATLAB
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I2 = im2double (I) converts the image I to double precision. I can be a grayscale intensity image, a truecolor image, or a binary image. im2double rescales the output from integer data types to the range [0, 1].
Lookup Tables - MATLAB & Simulink - MathWorks
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Understand Lookup Tables Lookup Table Overview Learn about the anatomy and characteristics of Lookup Table blocks, objects, and tools. Configure Lookup Table Block for Logarithmic Operation Configure an n-D Lookup Table block for logarithmic operation with the common logarithmic base (base 10). Add Blocks to Models Use the Library Browser and quick insert menu to insert blocks.
Polar Plots - MATLAB & Simulink - MathWorks
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Create line plots, histograms, and scatter plots in polar coordinates. Modify aspects of the polar axes, such as the range of angle values or whether to display angles in radians or degrees.