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Hello, let's say I have a matrix A = [1+x,1;2,5] so I want to have x to go from -20 to 20 with x~=0 then I would need to ha...

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Asked 12 months ago

Hello, I need to construct a code that finds solution to a set of equation by domain decomposition. it should be really easy...

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I want to create a function that when I give it some input, it takes those inputs and make those to be the coefficients of a pol...

Asked 1 year ago

Hello, I am trying to get two contour plots with my date below, and I'm getting error for the second one, I really appreciat...

I am trying to solve a linear equation with 3 unknowns that is in the form of A*X=B , and one element in B varies with a variab...

Asked 2 years ago

I have a question about fft function. I have a set of data consisting of two columns; one is time in seconds, and the other is a...

sinh(x) =(exp^(x)-exp(-x))/2 cosh(x) =(exp(x)+exp(-x))/2 anonymous functions mysinh(x) and mycosh(x) which pe...

I need to write a code which the instruction is below, I tried all I could, but I don't know how to store the last element and f...

hello, I have two sets of data which each represent the location of upper and lower half of an airfoil, but when I graph the...

Hello, I'm trying to get graph for two matrix versus each other each is 8000*1 matrix,and I tried plotmatrix too but I get thi...