B code for range rng = linspace(-pi,pi,1000); % Plotting sin^2 plot(rng, sin(rng).^2) hold on % Plotting cos^2 plot(rng,cos(rng).^2) % Creating an array of character vectors lgd = {'sine', 'cosine'};
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- stats.py: We can create a numpy array from separate lists by specifying a format for each field:arr = np.zeros(4, dtype={'names': ('name', 'age', 'major', 'gpa'), 'formats': ('U50', 'i4', 'U4', 'f8')})arr['name'] = ['Alice', 'Bob', 'Carol', 'Dennis']arr['age'] = [21, 25, 18, 29]arr['major'] = ['CS', 'Math', 'Chem', 'Phys']arr['gpa'] = [3.8, 3.2, 4.0, 3.5] where U50 is a string of max length 50, i4 is a 4-byte integer, U4 is a string of max length 4, and f8 is an 8-byte floating-point number. Then arr has value array([('Alice', 21, 'CS', 3.8), ('Bob', 25, 'CS', 3.2),('Carol', 18, 'Chem', 4. ), ('Dennis', 29, 'Phys', 3.5)],dtype=[('name', '<U50'), ('age', '<i4'), ('major', '<U4'), ('gpa', '<f8')]) Then, for example, arr[’name’] will give an array of just the student names.Write a program that reads the file roster2.dat that has this format: name,age,major,gpa Convert this to a numpy array as shown above. Then use that array to compute…2DArray method:It will allocate a block of memory which represents a two-dimension arraybased on the input values supplied by the user. Ask the user to enter the number of rows andcolumn for 2D array that the user want to manipulate. The number of rows and columns that theuser enters may or may not define a square matrix (when the number of rows equals the numberof columns). The array will have exactly rows time columns (m * n) elements. It will notcontain any extra or empty cells. Initialize the “matrix” by rows with random number between 1to 100. Pass two arguments by out reference so that you can assign the number of row andcolumns of data to the first and second arguments. This is return 2D array method afterallocating new memory for 2D array and initialize it with random value. Generate randomnumber code in C# as following: Random randnum = new Random( );int number = randnum.Next (1, 101);SwapRow method: it will rotate the data in the matrix in an up/down method such that the…Q0p. Implplement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of the array and returns the snap_id: the total number of times we called snap() minus 1. int get(index, snap_id) returns the value at the given index, at the time we took the snapshot with the given snap_id Example 1: Input: ["SnapshotArray","set","snap","set","get"] [[3],[0,5],[],[0,6],[0,0]] Output: [null,null,0,null,5] Explanation: SnapshotArray snapshotArr = new SnapshotArray(3); // set the length to be 3 snapshotArr.set(0,5); // Set array[0] = 5 snapshotArr.snap(); // Take a snapshot, return snap_id = 0 snapshotArr.set(0,6); snapshotArr.get(0,0); // Get the value of array[0] with snap_id = 0, return 5...
- javascript Define a function, myIncludes, that accepts two parameters: an array and a searchValue. myIncludes should return true if the searchValue is an element in the array. Otherwise, myIncludes should return false. example myIncludes([10, 20, 30], 20); // => true myIncludes(['apples', 'bananas', 'citrus'], 'pears'); // => falseTODO 1: To construct an array of 120 values between -4 and 4, use the NumPy method np.linspace() (docs). To do so, pass the parameters -4, 4, and 120. Put the results in the variable x_values. mu = 0 # mean sig = 1 # std # TODO 1 x_values = display(x_values) todo_check([ (x_values.shape == (120,),'x_values does not have the correct shape of (120,)'), (np.all(np.isclose(x_values, np.array([-4.…What values will be written to the array when the following code executes?.dataarray DWORD 4 DUP(0).code main PROCmov eax,10mov esi,0call proc_1add esi,4add eax,10mov array[esi],eaxINVOKE ExitProcess,0main ENDPproc_1 PROCcall proc_2add esi,4add eax,10mov array[esi],eaxretproc_1 ENDPproc_2 PROCcall proc_3add esi,4add eax,10mov array[esi],eaxretproc_2 ENDPproc_3 PROCmov array[esi],eaxretproc_3 ENDP
- 3. Find the Culprit by CodeChum Admin "Help!!!" Someone's calling for help! It seems that someone was robbed and their phone was stolen. Luckily, the phone's GPS is turned on so we can track the culprit's coordinates! Instructions: Ask the user for the number of rows and columns of a 2D array and then its elements. Then, ask the user for another integer value which represents the culprit. Finally, go through the 2D array and find the culprit's coordinates - its row number and column number and display them. Input 1. Number of rows 2. Number of columns 3. Elements of the 2D array 4. Culprit's value Output Print the row of the position first and then the column of the position. Note that the row and the column is 0-based (i.e. it starts at 0 and not at 1). It is guaranteed that the culprit exists only once in the 2D array. Enter # of rows: 4 Enter # of columns: 4 Elements: 1 4 2 3 9 1 2 3 4 2 1 1 9 2 8 3 Enter the culprit's value: 8 Culprit's·position: 3, 2Create 2D array 4 *5. Ask the user to enter the number inside the array. Print the numbers organized by rows. Calculate the average for each row. Print the least average. Finally, create a method that receives a 2D array to print its elements reverse starting from the last element.Create an associative array $RegCourses, the Indices are the names of your registered courses last semester and the values are your grades.–Print out the contents with its indices in a vertical table–Based on $RegCourses, Calculate your GPA , the best grad and the worst one•Create an associative array $BatCompanions that hold the information of The battles of the companions (up to 4 battles). the Indices are the names of battles and the values are the names of the commanders.
- Two arrays are provided to you: one longer and one shorter (with all distinguishable items). Search the longer array for the smallest subarray that includes every member in the shorter array. Any arrangement of the components is possible.EXAMPLEInput: {1, 5, 9}{7, 5, 9, 0, 2, 1, 3, 5. 7, 9. 1, 1, 5, 8, 8, 9, 7}Result: [7, 10] (the underlined portion above)Create a 1-by-1000 row vector called M containing random integer numbers between 8 and 256. Using logical array indexing, assign all elements with value greater than 200 to a variable called up200. Display the dimension of variable up200.MatLab Continuing previous task, create another variable called up100 containing all elements in M that are greater than 100 but less than 200. Display the dimension of vector up100. Append variable up200 to variable up100.Please give code for MatLabdef create_identity_matrix(n):"""Create a nxn sized identity matrix. The return type should be a list or numpy ndarrayFor more info: https://en.wikipedia.org/wiki/Identity_matrixFor this exercise you can use nested loops to construct your 2d array or find an applicable function in the numpy library.:param n::return: nxn ndarray where the diagonal elements are 1 and nondiagonal elements are 0"""pass
