The phrase "alter the value" is correct and usable in written English.
You can use it when discussing changes to numerical or qualitative data, such as in programming, finance, or scientific contexts.
Example: "To improve the accuracy of the model, we need to alter the value of the input parameters."
Alternatives: "change the value" or "modify the value."
If you want to alter the value of Shell negatively, find a way to show the fund managers that the company is actually riskier than previously thought.
To account for the typical fantasy playoffs in Weeks of 15 and 16, when top performances are most crucial, and Week 17, when many fantasy leagues have ended, we can alter the value of the final three weeks.
But the contracts would last five years instead of six, cash bonus payouts for workers would be tied to those for executives and the unions could change one item in the contracts as long as the change did not alter the value of the concessions.
The original target hardware has limited possibilities to alter the value Rrel.
A theoretical analysis of an adiabatic non-isothermal single-pellet diffusion reactor shows that non-isothermal effects can alter the value of the centerplane concentration.
Sure, it's technically against the spirit of loyalty programs and could radically alter the value of the 650 billion-plus miles and points accumulated each year.
Anthropogenic changes in producer nutritional quality, via changes in trophic structure, may alter the values and functions of ecosystems, and those alterations may be more important in terrestrial ecosystems.
The technique for the measurement of thermal conductivity may also alter the values.
The method is named STM [21], which does not alter the values and locations of the unstable fixed points.
In the presence of out-of-order elements that alter the values of some results produced in the past, the engine retracts the previous output from the mutable dataset and substitutes it with the newly computed values.
There is, however, an indirect effect, since R determines the value of the function α, and since α defines the set B δ, changes in R will alter the values of δ that determine the changes in solution regime.
