The phrase "altering the input" is correct and usable in written English.
It can be used in contexts where you are discussing changes made to data or information before processing or analysis.
Example: "The software is designed to improve performance by altering the input to better suit the algorithm's requirements."
Alternatives: "modifying the input" or "changing the input".
Various fluctuating flows can be reproduced in this wind tunnel by altering the input data of the fans through computer control.
By altering the input flow rates the lens shape with different lens radii in the lateral and normal direction is adjusted.
The PEPCK partitioning scheme was then implemented by manually altering the input file.
A similar study performed in area V4, however, came to the conclusion that attention acts most likely by altering the input gain of neurons (Ghose & Maunsell, 2008), while it acts through normalization mechanisms in < 40% of the neurons.
A defining feature of the Deep Dream algorithm is the use of backpropagation to alter the input image in order to minimize categorization errors.
Then, we altered the input vegetation maps to assess the influence of initial conditions on landscape metrics output.
A critical issue is the possible changes in clearance of the tracer as this could alter the input function into the brain.
Users may either alter the input parameters for these example eruptions or provide information for the eruptive scenario of their choice.
EON does not perform any overlay or alter the input orientation of the structures.
At this point most annotation efforts are understandably reluctant to alter the input sequence or to derive adjusted protein translations in order to eliminate the impact of what might (or might not) be a frameshift.
In the current semester, 11 students varied parameters of their models, five students altered the inputs to their models, 14 students changed the forms of their models, and four students did additional dynamical analyses.
