Varying two variables in a for loop for one output

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Michael
Michael 2025-4-30
评论： Michael 2025-4-30
These values are used later on to obtain 1 output that will be plotted in a 3d plot. I want to run a for loop where m(1) is compared to all the n values then the same will happen for m(2) and so on until I get all the possible points.
for index = 1:1:45
n = N_range(index);
m = m_water_range(index);
MW = m/nr;
MG = 1.6/Nr;
  2 个评论
Cris LaPierre
Cris LaPierre 2025-4-30
There are not enough details to provide a solution.
How are you comparing the values? Why are you comparing them? What is the value of nr and Nr? What is your output? Where should your for loop end?
Michael
Michael 2025-4-30
small typo on my part the n and nr are supposed to be the same values. I am trying to get an output of temperature with the m being a mass flow rate and the n being number of channels in a heat exchanger. here are the values of the ranges
m_water_range = linspace(5,40,45);
N_range = linspace(5,50,45);

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Cris LaPierre
Cris LaPierre 2025-4-30
Ran in:
I would remove the for loop and use meshgrid instead.
m_water_range = linspace(5,40,45);
N_range = linspace(5,50,45);
[m,n] = meshgrid(m_water_range,N_range);
MW = m./n;
MG = 1.6./n;
surf(m,n,MG)

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