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Mex file. error in passing data.
Your code behaves exactly as I would expect: fills elements l1 to l2 of CE with twice the first element of C. I suggest you find...

4年以上前 | 1

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String scalar or character vector must have valid interpreter syntax.
The error tells you the latex is invalid. Indeed it is, it's missing some spaces around the \mid ylabel('$\mid H(f) \mid$ (deg/...

4年以上前 | 3

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Write data on to Excel
If I understood correctly: xlswrite(somefile, reshape([M, nan(size(M, 1), 1, size(M, 3))], 6, []), '', 'E1') basically pad you...

4年以上前 | 0

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Convert each 2D matrix in a collection of matrices into a diagonal matrix
A = A .* permute(eye(size(A, 2), [3 1 2])) %multiply each matrix by the identity matrix which keeps just the diagonal of each ...

4年以上前 | 0

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Is it possible to make Acos return values greater than pi?
"Is it possible to make Acos return values greater than pi?" No. The function codomain is mathematically defined as [0, ]. You ...

4年以上前 | 0

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Unable to perform assignment because dot indexing is not supported for variables of this type.
The error is easily explained. You're expecting readtable to read the first column of your csv as a datetime. You haven't checke...

4年以上前 | 0

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Any notes or examples available on calculating the modulation transfer function of an imaging system in matlab
If I remember correctly, there is matlab code that comes with the iso standard on MTF (ISO 15529:2010). I can't remember where ...

4年以上前 | 1

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Have class vector; how obtain vector of a field?
ages = [meep.age]; %same as: ages = horzcat(meep.age); %or ages = vertcat(meep.age); %to vertically concatenate all the valu...

4年以上前 | 0

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sscanf not working for text on multiple lines.
"now all of a sudden the code doesn't work at all!" Well, yes that would be because the text portion in your sample file is not...

4年以上前 | 0

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Adding rows to matrix conditionally
We don't have enough details to give you a complete answer but what you want to do should be easily done by reading your file a...

4年以上前 | 0

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How to add a matrix vertically and nest an if loop
Using a loop for this would be pointless and unnecessary complicated Oxygenminute = (1:numel(Oxygen))' * 5; Oxygenhour = floor...

4年以上前 | 0

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Interpolation of in-between values in a list of different groups
I've not tried to understand your code to see where the slow processing is (edit: it's probably the stack) There's no reason for...

4年以上前 | 1

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Produce equality matrix based on elements in vector.
Trivially done. %assuming A and B are both row vectors: C = A.' == B; If they're both column vectors, transpose B instead.

4年以上前 | 0

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Getting a command like gather to run silently
The following is unfortunately completely undocumented and therefore to be used at your own risk. It may stop working in a futur...

4年以上前 | 2

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I want to get rid of the e+03 in the numbers presented in my table
In the view tab, under Number Display Format select "Long Fixed Decimal" (2nd option) or "Long Fixed Decimal or Scientific Notat...

4年以上前 | 2

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Index exceeds the number of array elements (2).
Always preallocate vectors instead of growing them in a loop, so before the loop: M = zeros(1, total_t); While this will get r...

4年以上前 | 0

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strtok is only using the first character of my delimiter instead of the full character vector
"How do I make it so that only HAIR is the delimiter and not H, A, I, or R?" You can't do that with strtok. The simplest is to ...

4年以上前 | 0

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Decompose image into the sum of two images
I don't see how your code even attempt to answer your assignment. Which of the image processing function would you use to detec...

4年以上前 | 0

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All input arguments must be tables error
"NT1,T1,NT2,T2 are all 7*1 matrix" Clearly not! At least one of them is a table. If you concatenate something with a table, as ...

4年以上前 | 0

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How to find the maximum element among the minimum elements in the columns in matrix m:n? With using loops.
There's never any need for a loop for things like that. Loops usually complicate the code in matlab. maxofcolmin = max(min(mass...

4年以上前 | 0

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Function overwrites output with a different number
"How would I create and store that question tree/its outputs" There are many options, which one you'd choose would be up to you...

4年以上前 | 0

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Error using table.init (line 401) The VariableNames property must contain one name for each variable in the table.
"Any idea how to resolve it.?" Well, yes provide as many variable names as there are columns in the arrays Accuracy_NN and Accu...

4年以上前 | 0

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Using convn with pictures and kernel.
It would be pointless to convert your 3D arrays into cell arrays of 2D arrays. You would just be storing the same information bu...

4年以上前 | 0

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How can I use activeX to access Microsoft Excel equation editor from matlab
" I want the user of d app to be able to type mathematical expressions in textbook format" I don't believe you're going to achi...

4年以上前 | 0

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it does not count this as right
First, don't post screenshots of the code. Simply copy/paste the code as text directly in your code (and then click the button)...

4年以上前 | 1

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Readtable error help?
I suspect to your 'FY20' is meant to be the sheet name. Unlike xlsread, with readtable the sheet name is passed as a Name-Parame...

4年以上前 | 2

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HELP PLEASE! How to insert arrays 1x24 in columns of a database sql?
Your columns input is completely wrong. It's a cell array with just one cell, a very long char vector. You then wrap that into a...

4年以上前 | 1

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trial version of matlab2013b
For this kind a question, contact Mathworks sales directly. Only they can answer you properly.

4年以上前 | 0

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Error using varfun function. "Matrix dimensions must agree."
Several points: "As I understand, I am multiplying 52824x9*9x1" No, you're using .*, the memberwise multiplication, not * the m...

4年以上前 | 0

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I'm trying to create a code that determines whether a word (or phrase) is a palindrome. The code only needs to look at the actual letters within the input string, but I'm not sure how to do that.
See isstrprop.

4年以上前 | 1