Question

linear algebraic equation help
Trying to use the following equations to find V for all pipes when ∑Ploss = 103kPa. Pipe 1 flows into pipe 2 & 3 which are p...

10 years ago | 0 answers | 0

Question

functions for finding values
how and what MATLAB functions could i use to find/verify the value of 'a', like i have done using the cubic spline method. (i am...

10 years ago | 1 answer | 0

Question

value search using functions
how do i use the fzero function or any other MATLAB function to find/verify the value of 'a', like i have done using the cubic s...

10 years ago | 1 answer | 0

Question

numerical root finding procedures
trying to solve the part under else. eover and Re are known, but still leaves me with (f) on both side of the original colebrook...

10 years ago | 2 answers | 0

Question

code for a known answer
i have a code that plots a figure. Now say that i don't know what the value of 'a' is. I am trying to write a basic numerical co...

10 years ago | 1 answer | 0

Question

fourier transform info or data
Simple question for those that are familiar with fourier transform. how do i do a fourier transform on this data below, ts=time...

10 years ago | 2 answers | 0

Question

aligning text in plots
how do i move the point label so its aligned right and higher x = Vb_ev; y = pH_ev; plot(x,y,'ro'), text(Vb_ev, pH_ev...

10 years ago | 3 answers | 0

Question

displaying indexed values correctly
hi, trying to display some values but am not sure how to go about it. I want to do is; find Vb at half of Vb_ev and then fi...

10 years ago | 1 answer | 0

Question

finding closest values in array
Hello, want to locate a value from an pH array when closest to 4.756 and then locate the corresponding Vb value associated with ...

10 years ago | 1 answer | 0

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displaying values in command window
** hi, trying to display some values but am not sure how to go about it, this is a pH array, Vb is volume of base added. What i...

10 years ago | 2 answers | 0

Question

displaying values in command window
follow script, how do i display the value of Vb and pH when "abs(M_excess)<eps" and following that how would i plot that point ...

10 years ago | 1 answer | 0

Question

loops for if, ifelse, end
i have the script and i want to add three condition, not sure how to do it. Kw = 1e-14; Ka = 1.755388e-5; pKa = 4.756; %...

10 years ago | 1 answer | 0

Question

save as ascii files
how to i make 2 columns in the text file i get 1 continuous column for variables Vb & pH. fid = fopen('gc_test.txt', 'wt');...

10 years ago | 1 answer | 0