16 lines
900 B
ReStructuredText
16 lines
900 B
ReStructuredText
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.. _usage.shift_scale:
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Moving and scaling
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^^^^^^^^^^^^^^^^^^
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Values are always used and displayed in scientific notation *x.yyyyez* where x is a signed single digit larger than 0.
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The relative stepsize (by default 0.0001) increases or decreases is always of the same magnitude as the current value, e.g.,
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1.2345e0 changes by 0.0001, but 1.2345e20 changes by 0.0001e20.
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If the step results in a new order of magnitude the value will be adjusted accordingly, i.e., a step from 9.9999e1 to 10.0000e1 will become 1.0000e2.
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.. note::
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This behaviour leads almost always to values different from zero when using the arrow buttons. Please enter it directly to get a value of zero.
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Boxes :guilabel:`log x` and :guilabel:`log y` change the respective axis from a linear to logarithmic scaling and vice versa.
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Every selected set will be recalculated according to :math:`new = scale \cdot old + offset`.
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