Please, don't use cos, tan, cot matlab functions.
As per Solution 1043996, need to ban a couple of other functions to enforce instruction.
This is wrong. For example, x = 3*pi/4, cot(x) = -1; but this solution gives sqrt(1-sin(x)^2)/sin(x) = 1.
Select every other element of a vector
Multiply 2 numbers
Magic is simple (for beginners)
04 - Scalar Equations 2
Test Problem; Create a 5x5 array containing all ones
Find the sum of the negative elements under the main diagonal.
Numerate input arguments
Find the product of the positive elements above the main diagonal.
Solve the system of equations.
Solve the following boundary value problem
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