class Vips::OperationMath
The math operation to perform on an image. See {Image#math}.
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‘:sin’ sin(), angles in degrees
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‘:cos’ cos(), angles in degrees
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‘:tan’ tan(), angles in degrees
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‘:asin’ asin(), angles in degrees
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‘:acos’ acos(), angles in degrees
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‘:atan’ atan(), angles in degrees
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‘:log’ log base e
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‘:log10’ log base 10
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‘:exp’ e to the something
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‘:exp10’ 10 to the something