Add math tutorials to the main tutorials branch

[luisaFelixSalles]

Adds the tutorials of the math section

List of tutorials:

• Basic maths

Preview on how it renders:

Mathematics section main page

Basic maths

[PProfizi]

@luisaFelixSalles can we scroll down in the out section here?

If not then some prints are missing

[PProfizi]

It seems there mismatches between code and output

How come?

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
26101	1	26100	3491

View the top 1 failed test(s) by shortest run time

tests/test_cff.py::test_results_cfx[ansys-grpc-dpf]

Stack Traces | 1.59s run time

cfx_heating_coil = <function cfx_heating_coil.<locals>.return_ds at 0x7f3600104430>
server_type = <ansys.dpf.core.server_types.LegacyGrpcServer object at 0x7f3601597640>

    @pytest.mark.skipif(
        not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_7_0,
        reason="CFF source operators where not supported before 7.0,",
    )
    def test_results_cfx(cfx_heating_coil, server_type):
>       model = dpf.Model(cfx_heating_coil(server=server_type), server=server_type)

tests/test_cff.py:47: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
tests/conftest.py:309: in return_ds
    files = examples.download_cfx_heating_coil(server=server)
..../test-api/lib/python3.10.../core/examples/downloads.py:1596: in download_cfx_heating_coil
    "dat": _download_file(
..../test-api/lib/python3.10.../core/examples/downloads.py:115: in _download_file
    local_path = _retrieve_file(url, filename, directory)
..../test-api/lib/python3.10.../core/examples/downloads.py:109: in _retrieve_file
    _, resp = urlretrieve(url, local_path)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:241: in urlretrieve
    with contextlib.closing(urlopen(url, data)) as fp:
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:216: in urlopen
    return opener.open(url, data, timeout)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:525: in open
    response = meth(req, response)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:634: in http_response
    response = self.parent.error(
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:557: in error
    result = self._call_chain(*args)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:496: in _call_chain
    result = func(*args)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:749: in http_error_302
    return self.parent.open(new, timeout=req.timeout)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:525: in open
    response = meth(req, response)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:634: in http_response
    response = self.parent.error(
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:563: in error
    return self._call_chain(*args)
.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:496: in _call_chain
    result = func(*args)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <urllib.request.HTTPDefaultErrorHandler object at 0x7f360011ef80>
req = <urllib.request.Request object at 0x7f3600103e20>
fp = <http.client.HTTPResponse object at 0x7f3600103e50>, code = 429
msg = 'Too Many Requests'
hdrs = <http.client.HTTPMessage object at 0x7f36001015d0>

    def http_error_default(self, req, fp, code, msg, hdrs):
>       raise HTTPError(req.full_url, code, msg, hdrs, fp)
E       urllib.error.HTTPError: HTTP Error 429: Too Many Requests

.../hostedtoolcache/Python/3.10.17..................................../x64/lib/python3.10/urllib/request.py:643: HTTPError

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[luisaFelixSalles]

@luisaFelixSalles can we scroll down in the out section here? If not then some prints are missing

Yes we can, I think is just not in the screenshot

[jorgepiloto]

Suggested change

	- Each entity (here, the nodes) must have a |Scoping| id. The ids allows DPF to apply an operator on the
	- Each node must have a |Scoping| id. The ids allows DPF to apply an operator on the