191 questions
While generating random numbers on the stage below (3D), when random walking, I wrote the following code using stage as a conditional statement, but sometimes it works well and sometimes it doesn't.I ...
I don't know why this error occurs.The code I wrote looks like this.>>>if__name__==_main__:... data1 = np.genfromtxt('./ozon_sheet.csv')... x1 = data1 [:,1]... Traceback (most recent call l...
Please let me know as I was at a loss because the power of the 2D array of numpy (power by element) could not be successful.Environment:Python: 3.7.5Number: 1.17.4 If you try to multiply the float32 t...
I have a matrix list of 100x3 as shown below.There are two things I would like to do for this matrix: ·I would like to randomly extract two lines at any number of times (e.g., 3 times).ex)[[a1, a2, a3...
四 I'm looking for the sympy of the tetrahedral (triangle pyramid) inscribed sphere.In other languages.②I tried running it on the vba solver. Please tell me how to shorten the vba code.Only one example...
Using Python, based on existing DataFrame (Data Set Before Processing (df) below), correlation factor I would like to discharge .The specific data set image looks like the After-Processed Data Set bel...
I am outputting while changing random state in machine learning.For example, is it possible for the following program to output random state from 0 to 20 all values?Currently, I manually change from 0...
I don't understand the flow of the correlation matrix calculation.#Create correlation matrixR=np.corrcoef(X.T)# set the diagonal component to zero_R=R-np.identity(10)# Get index with maximum correlati...
There are 201 vectors of length 3575 and they are stored in the numpy.ndarray format. For ease of explanation, use x.I'd like to calculate for each line of this x, a vector whose shape is (13575), but...
array([-1, 0, 1, 1, 1, 0, 2, 3, 4, 5, 6, 7, 8, 7, 0], [-1, 9, 10, 11, 12, 11, 13, 11, 14, 11, 15, 12, 16, 17, 18], [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,...
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