I have an equation. I want to adjust one of the values in the equation until it hits a certain output. How do I run a loop to increment that certain value until it does this?

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Todd
Todd 2025-1-31
编辑： Matt J 2025-1-31
equation: X/Y=P
Increase Y by an increment of 1 until gives an output equal or less than P.
Example:
X=21
Y=4
P=3
equation: 21/4=5.25
GOAL: increment Y unitl it gives an output less than or equal to P.

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回答（2 个）

Voss
Voss 2025-1-31
编辑：Voss 2025-1-31
Ran in:
X=21;
Y=4;
P=3;
while X/Y > P
Y = Y+1;
end
% this
Y
Y = 7
% is the first value of Y such that X/Y <= P
X/Y <= P
ans = logical
1
% (the previous value doesn't work since 21/6 > 3)
X/(Y-1) <= P
ans = logical
0
Matt J
Matt J 2025-1-31
编辑：Matt J 2025-1-31
Ran in:
X=21;
Y=4;
P=3;
increment=1;
Yp=X/P;
delta=ceil((Yp-Y)/increment);
Y=Y+delta
Y = 7

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