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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

約14年 前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

約14年 前

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

約14年 前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

約14年 前

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Cell matrix
For the first part, here's how to create two cell arrays that are BEST_BID and BEST_ASK: BEST_BID = myArray(strcmp(n(:,2),'...

約14年 前 | 0

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integration
use the trapz function source: help file

約14年 前 | 1

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plotyy with sync yaxis tics on both sides
Matlab allows you to switch the ticks on both axes. plotyy is creating two overlapping axes on the figure. When you execute this...

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Can I do this?
It looks like this is all that's wrong: func = @(x) x(3)*(47e3-Al(x)+Aj(x)+Ak(x)); I'm assuming x is a 3 value vector?

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Plot using scatter3 function.
It takes 3 variables to make a plot in scatter3, but if you mean you have 3 sets of x,y,z parameters then: figure hold o...

約14年 前 | 0

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Plot a second order equation and plot two equations on the same grafic
You can plot multiple sets of data on one figure multiple ways. The first way would be: plot(x1,y1,x2,y2,...) The next m...

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How must I declare a function handle that refers to a function you've written? What syntax is necessary?
Is 'spectrum' actually getting passed into your function psi_en? It looks like, if it isn't and 'en' in passed in correctly, 'y'...

約14年 前 | 0

質問


polar interpolation of data acquired in a cartesian plane
I'm working on a problem that I've modeled as: [x,y] = meshgrid(-20:0.1:20,-20:2:20); xx = vectorizeMatrix(x); yy = v...

約14年 前 | 0 件の回答 | 1

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Write a loop that can generate all data in one M-file with one variable change
To answer your comments: After looking back at the code, I made a big assumption that's not the best to make I think. I assum...

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What am I doing wrong!?
Ah I see the problem now. In your original post you had s1 = [0.4, 0.4, 1.6]; but nothing using s1 in it. Now that I see...

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Plot a time series with the whole number not 10^(n)
Yeah I deleted my answer after I realized that num2str doesn't work properly, but found that num2cell does. Glad it worked for y...

約14年 前 | 1

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What am I doing wrong!?
I'd suggest using the following code, it's not pretty, but it gets the job done without any toolboxes. x0 = [0.2, 0.4, 0.6]...

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Write a loop that can generate all data in one M-file with one variable change
You could just add another dimension to your hh and tt calculations like this: for j = -1:-1:-5 q = 0; dt = 10^j; ...

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Saving data to EXCEL
Are you having problems at this line? xlswrite(resultsfilename,RESULTSLOCATION,1,'A10:num2str(j)'); If so, I would bet th...

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Store a variable in a loop
how about something simple like this? n = [0 0.01 0.5 0.6 1 1.2 1.5]; for i = 1:length(n) stored(i,1) = 1 + n(i);...

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Plotting atan()
Not sure I'm understanding the question, are you wanting to replace any values > pi/2 with pi/2? (and any values < -pi/2 with -p...

約14年 前 | 1

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Out of Memory using fgetl
Just throwing out ideas here, is your error coming at the first call to fgetl or after calling fopen? Could it be that matlab...

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Plotting a function
f = @(x) 1/((.8441^2-x^2)^2+(.8441*x/4)^2)^(1/2); fplot(f,[0,2])

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??? Error using ==> double Too many input arguments.
total = total + double(int(5.119*exp(-0.08898*x)+13.47*exp(-0.0003734*x)),x,t2,t2+ton); Your parentheses are incorrect here....

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save a variable nameing it after a string
can you not import the string prior to saving? something like: ... str = importFun(file); eval([str ' = matToSave;'])...

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質問


Error when using validatestring in inputParser addOptional
I'm getting the following error when running isenExpan('a','m',2,1.4,'sub') with the code below: ??? Error using ==> isenExp...

約14年 前 | 1 件の回答 | 2

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