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K


Virginia Polytechnic Institute and State University

2012년부터 활동

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How do I read only specific columns in from an Excel file, not consecutive columns?
I have a set of Excel files that are ~ 17,000 rows by 6,000 columns. Needless to say, that's kind of tough to work with. I wou...

거의 9년 전 | 답변 수: 1 | 1

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How do I write a large multi-dimensional cell array into Excel?
Hi, I have a 155X56 cell array, where each cell in the array is a ~17,100X 1 cell. (Ranges from 17102-17301 rows). First o...

대략 10년 전 | 답변 수: 1 | 0

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How can I replace [#] entries in a .Csv file so that Matlab can read the first row as variable names?
Hi, I have seven very large .Csv data files (about 3000 columns). Whoever made the file named each variable with "[0] Label1...

대략 10년 전 | 답변 수: 2 | 0

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solve an equation for perspective projection
Hi, I'm sure this isn't the best solution, but if you enter f, Xa,Xb,Ya,Yb,Za, and Zb as symbols, and then enter your four co...

거의 11년 전 | 0

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Why doesn't "hold on" work when I have a figure that has opened with the title bar Figures - Figure 1?
Hi, Normally, I can make a plot and save it as a .fig file. Then, when I open it later, it will open and show just "Figure 1...

거의 11년 전 | 답변 수: 1 | 0

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How can I use an empty matrix in a logical if statement?
Hello, I have a program that evaluates mode shapes using the null space of an 8X8 matrix, "K". It works great when the null ...

대략 11년 전 | 답변 수: 2 | 2

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Regarding finding peak values from vectors; how do I find only the max value and also write this in a loop with changing string variable names?
Hello, I am trying to make my life easier- I have something like 380 sets of data that I really don't want to find the peaks ...

11년 초과 전 | 답변 수: 1 | 0

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Where can I find expmdemo matlab files?
Hi, I have a nasty symbolic matrix that I need the matrix exponential of- looks something like this (all capital letters are ...

거의 12년 전 | 답변 수: 1 | 0

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Import txt file into matlab using programically
I've used the command textread really successfully with .txt files where the columns of numbers were separated by spaces or tabs...

12년 초과 전 | 0

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Why won't a function handle plot?
I have a long and complicated symbolic expression: syms x A=(60984*x)/(203125*exp((-(243936*x^4)/203125)^(1/4))*(-(243936*...

12년 초과 전 | 답변 수: 1 | 0

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How can I plot a symbolic function or determine a finite and real starting guess for fzero?
Hello, I have a very long and somewhat complicated complex function that I need to find the roots of. It is a function of "s...

12년 초과 전 | 답변 수: 2 | 0

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