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Golang chk.Matrix函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/cpmech/gosl/chk.Matrix函数的典型用法代码示例。如果您正苦于以下问题：Golang Matrix函数的具体用法？Golang Matrix怎么用？Golang Matrix使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了Matrix函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Test_invs04

func Test_invs04(tst *testing.T) {

	//verbose()
	chk.PrintTitle("invs04")

	a := []float64{-10.0, -20.0, -30.0, 4.0 * SQ2, 5.0 * SQ2, 6.0 * SQ2}
	at := Alloc2()
	Man2Ten(at, a)
	io.Pf("a = %v\n", a)
	chk.Matrix(tst, "Man2Ten", 1e-17, at, [][]float64{
		{-10, 4, 6},
		{4, -20, 5},
		{6, 5, -30},
	})

	b := []float64{-88, -77, -55, -3 * SQ2}
	bt := Alloc2()
	Man2Ten(bt, b)
	io.Pf("b = %v\n", b)
	chk.Matrix(tst, "Man2Ten", 1e-17, bt, [][]float64{
		{-88, -3, 0},
		{-3, -77, 0},
		{0, 0, -55},
	})

	ver := chk.Verbose
	run_invs_tests(tst, a, ver)
	run_invs_tests(tst, b, ver)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:29，代码来源:t_invariants_test.go


示例2: Test_conv06

func Test_conv06(tst *testing.T) {

	//verbose()
	chk.PrintTitle("conv06")

	a := [][]float64{
		{1, 2, 3},
		{4, 5, 6},
		{7, 8, 9},
		{10, 11, 12},
	}
	a_ := MatAlloc(4, 3)
	am := MatToColMaj(a)
	aa := ColMajToMatNew(am, 4, 3)
	ColMajToMat(a_, am)
	io.Pforan("a  = %v\n", a)
	io.Pforan("am = %v\n", am)
	io.Pforan("aa = %v\n", aa)
	chk.Vector(tst, "a => am", 1e-17, am, []float64{1, 4, 7, 10, 2, 5, 8, 11, 3, 6, 9, 12})
	chk.Matrix(tst, "am => a", 1e-17, aa, a)
	chk.Matrix(tst, "am => a", 1e-17, a_, a)

	b := [][]float64{
		{1, 2, 3, 4},
		{5, 6, 7, 8},
		{9, 0, -1, -2},
	}
	bm := MatToColMaj(b)
	bb := ColMajToMatNew(bm, 3, 4)
	io.Pforan("b  = %v\n", b)
	io.Pforan("bm = %v\n", bm)
	io.Pforan("bb = %v\n", bb)
	chk.Vector(tst, "b => bm", 1e-15, bm, []float64{1, 5, 9, 2, 6, 0, 3, 7, -1, 4, 8, -2})
	chk.Matrix(tst, "bm => b", 1e-15, bb, b)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:35，代码来源:t_conversions_test.go


示例3: Test_matinvSmall01

func Test_matinvSmall01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("matinvSmall01")

	noise := 0.0
	tol := 1.0e-16

	// 1 x 1 matrix
	res := MatAlloc(1, 1)
	det, err := MatInv(res, [][]float64{{2.0}}, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "1 x 1 matrix: det ", tol, det, 2.0)
	chk.Matrix(tst, "1 x 1 matrix: ", tol, res, [][]float64{{0.5}})

	// matrix: inverse
	A := [][]float64{{1.0, 2.0}, {3.0, 2.0}}
	Aicorr := [][]float64{{-0.5, 0.5}, {0.75, -0.25 + noise}}
	Ai := MatAlloc(2, 2)
	detA, err := MatInv(Ai, A, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "matrix: inv (det) ", tol, detA, -4.0+noise)
	chk.Matrix(tst, "matrix: inv (A)   ", tol, Ai, Aicorr)

	// using MatInvG
	Ai_ := MatAlloc(2, 2)
	err = MatInvG(Ai_, A, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Matrix(tst, "matrix: inv with MatInvG", tol, Ai_, Aicorr)

	// another test
	B := [][]float64{{9.0, 3.0, 5.0}, {-6.0, -9.0, 7.0}, {-1.0, -8.0, 1.0}}
	Bicorr := [][]float64{
		{7.642276422764227e-02, -6.991869918699187e-02, 1.073170731707317e-01},
		{-1.626016260162601e-03, 2.276422764227642e-02, -1.512195121951219e-01},
		{6.341463414634146e-02, 1.121951219512195e-01, -1.024390243902439e-01 + noise},
	}
	Bi := MatAlloc(3, 3)
	detB, err := MatInv(Bi, B, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Scalar(tst, "matrix: det ", tol, detB, 615.0+noise)
	chk.Matrix(tst, "matrix: inv ", tol, Bi, Bicorr)

	// using MatInvG
	Bi_ := MatAlloc(3, 3)
	err = MatInvG(Bi_, B, tol)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	chk.Matrix(tst, "matrix: inv with MatInvG", tol, Bi_, Bicorr)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:59，代码来源:t_matinv_test.go


示例4: Test_mylab01

func Test_mylab01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("mylab01")

	I := make([]int, 5)
	IntFill(I, 666)
	J := IntVals(5, 666)
	Js := StrVals(5, "666")
	M := IntsAlloc(3, 4)
	N := DblsAlloc(3, 4)
	S := StrsAlloc(2, 3)
	A := IntRange(-1)
	a := IntRange2(0, 0)
	b := IntRange2(0, 1)
	c := IntRange2(0, 5)
	C := IntRange3(0, -5, -1)
	d := IntRange2(2, 5)
	D := IntRange2(-2, 5)
	e := IntAddScalar(D, 2)
	f := DblOnes(5)
	ff := DblVals(5, 666)
	g := []int{1, 2, 3, 4, 3, 4, 2, 1, 1, 2, 3, 4, 4, 2, 3, 7, 8, 3, 8, 3, 9, 0, 11, 23, 1, 2, 32, 12, 4, 32, 4, 11, 37}
	h := IntUnique(g)
	G := []int{1, 2, 3, 38, 3, 5, 3, 1, 2, 15, 38, 1, 11}
	H := IntUnique(D, C, G, []int{16, 39})
	X, Y := MeshGrid2D(3, 6, 10, 20, 4, 3)
	P := [][]int{
		{1, 2, 3, 4, 5},
		{-1, -2, -3, -4, -5},
		{6, 7, 8, 9, 10},
	}
	Pc := IntsClone(P)
	chk.Ints(tst, "I", I, []int{666, 666, 666, 666, 666})
	chk.Ints(tst, "J", J, []int{666, 666, 666, 666, 666})
	chk.Strings(tst, "Js", Js, []string{"666", "666", "666", "666", "666"})
	chk.Ints(tst, "A", A, []int{})
	chk.Ints(tst, "a", a, []int{})
	chk.Ints(tst, "b", b, []int{0})
	chk.Ints(tst, "c", c, []int{0, 1, 2, 3, 4})
	chk.Ints(tst, "C", C, []int{0, -1, -2, -3, -4})
	chk.Ints(tst, "d", d, []int{2, 3, 4})
	chk.Ints(tst, "D", D, []int{-2, -1, 0, 1, 2, 3, 4})
	chk.Ints(tst, "e", e, []int{0, 1, 2, 3, 4, 5, 6})
	chk.Vector(tst, "f", 1e-16, f, []float64{1, 1, 1, 1, 1})
	chk.Vector(tst, "ff", 1e-16, ff, []float64{666, 666, 666, 666, 666})
	chk.Ints(tst, "h", h, []int{0, 1, 2, 3, 4, 7, 8, 9, 11, 12, 23, 32, 37})
	chk.Ints(tst, "H", H, []int{-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 11, 15, 16, 38, 39})
	chk.IntMat(tst, "M", M, [][]int{{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}})
	chk.Matrix(tst, "N", 1e-17, N, [][]float64{{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}})
	chk.Matrix(tst, "X", 1e-17, X, [][]float64{{3, 4, 5, 6}, {3, 4, 5, 6}, {3, 4, 5, 6}})
	chk.Matrix(tst, "Y", 1e-17, Y, [][]float64{{10, 10, 10, 10}, {15, 15, 15, 15}, {20, 20, 20, 20}})
	chk.StrMat(tst, "S", S, [][]string{{"", "", ""}, {"", "", ""}})
	chk.IntMat(tst, "Pc", Pc, P)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:55，代码来源:t_mylab_test.go


示例5: Test_tsr02

func Test_tsr02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("tsr02")

	F := [][]float64{
		{2, 8.0 / 3.0, 0},
		{0, 2, 0},
		{0, 0.0, 1},
	}
	Fi := Alloc2()
	C := Alloc2()
	b := Alloc2()
	J, err := Inv(Fi, F)
	if err != nil {
		chk.Panic("%v", err)
	}
	RightCauchyGreenDef(C, F)
	LeftCauchyGreenDef(b, F)
	io.Pf("F = %v\n", F)
	io.Pf("C = %v\n", C)
	io.Pf("b = %v\n", b)
	chk.Scalar(tst, "J", 1.0e-17, J, 4.0)
	chk.Matrix(tst, "C", 1.0e-17, C, [][]float64{{36.0 / 9.0, 48.0 / 9.0, 0}, {48.0 / 9.0, 100.0 / 9.0, 0}, {0, 0, 1}})
	chk.Matrix(tst, "b", 1.0e-17, b, [][]float64{{100.0 / 9.0, 48.0 / 9.0, 0}, {48.0 / 9.0, 36.0 / 9.0, 0}, {0, 0, 1}})

	λ, μ := 2.0, 3.0
	σ := Alloc2()
	for i := 0; i < 3; i++ {
		for j := 0; j < 3; j++ {
			σ[i][j] = (λ/J)*math.Log(J)*It[i][j] + (μ/J)*(b[i][j]-It[i][j])
		}
	}

	P := Alloc2()
	S := Alloc2()
	σfromP := Alloc2()
	σfromS := Alloc2()
	CauchyToPK1(P, σ, F, Fi, J)
	CauchyToPK2(S, σ, F, Fi, J)
	PK1ToCauchy(σfromP, P, F, Fi, J)
	PK2ToCauchy(σfromS, S, F, Fi, J)

	io.Pf("σ = %v\n", σ)
	io.Pf("P = %v\n", P)
	io.Pf("S = %v\n", S)
	chk.Matrix(tst, "σfromP", 1.0e-17, σfromP, σ)
	chk.Matrix(tst, "σfromS", 1.0e-14, σfromS, σ)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:49，代码来源:t_tensor_test.go


示例6: Test_conv03

func Test_conv03(tst *testing.T) {

	//verbose()
	chk.PrintTitle("conv03")

	var K, L, A Triplet
	K.Init(6, 6, 36+2*6) // 2*6 == number of nonzeros in A
	L.Init(6, 6, 36+2*6) // 2*6 == number of nonzeros in A
	for i := 0; i < 6; i++ {
		for j := 0; j < 6; j++ {
			K.Put(i, j, 1000)
			L.Put(i, j, 1000)
		}
	}
	A.Init(2, 3, 6)
	for i := 0; i < 2; i++ {
		for j := 0; j < 3; j++ {
			A.Put(i, j, float64(10*(i+1)+j+1))
		}
	}
	Am := A.ToMatrix(nil)
	Ad := Am.ToDense()
	if chk.Verbose {
		Kd := K.ToMatrix(nil).ToDense()
		Ld := L.ToMatrix(nil).ToDense()
		PrintMat("K", Kd, "%8g", false)
		PrintMat("L", Ld, "%8g", false)
		PrintMat("A", Ad, "%8g", false)
	}
	K.PutMatAndMatT(&A)
	L.PutCCMatAndMatT(Am)
	Kaug := K.ToMatrix(nil).ToDense()
	Laug := L.ToMatrix(nil).ToDense()
	if chk.Verbose {
		PrintMat("K augmented", Kaug, "%8g", false)
		PrintMat("L augmented", Laug, "%8g", false)
	}
	Cor := [][]float64{
		{1000, 1000, 1000, 1011, 1021, 1000},
		{1000, 1000, 1000, 1012, 1022, 1000},
		{1000, 1000, 1000, 1013, 1023, 1000},
		{1011, 1012, 1013, 1000, 1000, 1000},
		{1021, 1022, 1023, 1000, 1000, 1000},
		{1000, 1000, 1000, 1000, 1000, 1000},
	}
	chk.Matrix(tst, "Kaug", 1.0e-17, Kaug, Cor)
	chk.Matrix(tst, "Laug", 1.0e-17, Laug, Cor)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:48，代码来源:t_conversions_test.go


示例7: Test_conv01

func Test_conv01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("conv01")

	var t Triplet
	t.Init(3, 3, 10)
	t.Put(0, 0, 5.0)
	t.Put(0, 0, 5.0)
	t.Put(0, 1, 11.0)
	t.Put(0, 2, 12.0)
	t.Put(1, 0, 20.0)
	t.Put(1, 1, 21.0)
	t.Put(1, 2, 22.0)
	t.Put(2, 0, 30.0)
	t.Put(2, 1, 31.0)
	t.Put(2, 2, 32.0)
	a := t.ToMatrix(nil)
	ad := a.ToDense()
	if chk.Verbose {
		PrintMat("a", ad, "%5g", false)
	}
	chk.Matrix(tst, "a", 1e-17, ad, [][]float64{
		{10, 11, 12},
		{20, 21, 22},
		{30, 31, 32},
	})
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:28，代码来源:t_conversions_test.go


示例8: Test_conv02

func Test_conv02(tst *testing.T) {

	//verbose()
	chk.PrintTitle("conv02")

	var t Triplet
	t.Init(4, 3, 4*3+2)
	t.Put(0, 0, 1.0)
	t.Put(0, 1, 2.0)
	t.Put(0, 2, 3.0)
	t.Put(1, 0, 4.0)
	t.Put(1, 1, 5.0)
	t.Put(1, 2, 6.0)
	t.Put(2, 0, 7.0)
	t.Put(2, 1, 8.0)
	t.Put(2, 2, 9.0)
	t.Put(3, 0, 4.0)
	t.Put(3, 1, 11.0)
	t.Put(3, 2, 12.0)
	t.Put(3, 0, 3.0) // repeated
	t.Put(3, 0, 3.0) // repeated
	a := t.ToMatrix(nil)
	ad := a.ToDense()
	if chk.Verbose {
		PrintMat("a", ad, "%5g", false)
	}
	chk.Matrix(tst, "a", 1e-17, ad, [][]float64{
		{1, 2, 3},
		{4, 5, 6},
		{7, 8, 9},
		{10, 11, 12},
	})
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:33，代码来源:t_conversions_test.go


示例9: Test_mmMul01

func Test_mmMul01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("mmMul01. MatrixMatrix multiplication")

	a := [][]float64{
		{1.0, 2.0, 3.0},
		{0.5, 0.75, 1.5},
	}
	b := [][]float64{
		{0.1, 0.5, 0.5, 0.75},
		{0.2, 2.0, 2.0, 2.0},
		{0.3, 0.5, 0.5, 0.5},
	}
	c := MatAlloc(2, 4)
	MatMul(c, 1, a, b) // c := 1*a*b
	io.Pf("a = %v\n", a)
	io.Pf("b = %v\n", b)
	io.Pf("c = %v\n", c)

	ccor := [][]float64{
		{1.4, 6.0, 6.0, 6.25},
		{0.65, 2.5, 2.5, 2.625},
	}
	chk.Matrix(tst, "c", 1.0e-15, c, ccor)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:26，代码来源:t_matvecmul_test.go


示例10: Test_jacobi01

func Test_jacobi01(tst *testing.T) {

	//verbose()
	chk.PrintTitle("jacobi01")

	A := [][]float64{
		{1, 2, 3},
		{2, 3, 2},
		{3, 2, 2},
	}
	Q := MatAlloc(3, 3)
	v := make([]float64, 3)
	nit, err := Jacobi(Q, v, A)
	if err != nil {
		chk.Panic("Jacobi failed:\n%v", err)
	}
	io.Pforan("number of iterations = %v\n", nit)
	PrintMat("A", A, "%13.8f", false)
	PrintMat("Q", Q, "%13.8f", false)
	PrintVec("v", v, "%13.8f", false)

	chk.Matrix(tst, "Q", 1e-17, Q, [][]float64{
		{7.81993314738381295e-01, 5.26633230856907386e-01, 3.33382506832158143e-01},
		{-7.14394870018381645e-02, 6.07084171793832561e-01, -7.91419742017035133e-01},
		{-6.19179178753124115e-01, 5.95068272145819699e-01, 5.12358171676802088e-01},
	})
	chk.Vector(tst, "v", 1e-17, v, []float64{-1.55809924785903786e+00, 6.69537390404459476e+00, 8.62725343814443657e-01})
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:28，代码来源:t_jacobi_test.go


示例11: Test_Ts

func Test_Ts(tst *testing.T) {

	//verbose()
	chk.PrintTitle("Ts")

	nd := test_nd
	for m := 0; m < len(test_nd)-3; m++ {
		//for m := 0; m < 3; m++ {
		A := test_AA[m]
		a := M_Alloc2(nd[m])
		Ten2Man(a, A)
		s := M_Dev(a)
		Ts := M_Alloc4(nd[m])
		M_Ts(Ts, s)
		s2 := M_Alloc2(nd[m])
		ds2ds := M_Alloc4(nd[m])
		M_Sq(s2, s)
		M_SqDeriv(ds2ds, s)
		Ts_ := M_Alloc4(nd[m])
		for i := 0; i < len(a); i++ {
			for j := 0; j < len(a); j++ {
				for k := 0; k < len(a); k++ {
					for l := 0; l < len(a); l++ {
						Ts_[i][j] += Psd[i][k] * ds2ds[k][l] * Psd[l][j]
					}
				}
			}
		}
		chk.Matrix(tst, "Ts", 1e-13, Ts, Ts_)
	}
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:31，代码来源:t_opsandderivs_test.go


示例12: Test_tsr03

func Test_tsr03(tst *testing.T) {

	//verbose()
	chk.PrintTitle("tsr03")

	a := [][]float64{
		{4.0, 1.0 / SQ2, 0},
		{1.0 / SQ2, 5.0, 0},
		{0, 0, 6.0},
	}
	am := make([]float64, 4)
	aa := Alloc2()
	Ten2Man(am, a)
	Man2Ten(aa, am)
	io.Pf("a  = %v\n", a)
	io.Pf("am = %v\n", am)
	io.Pf("aa = %v\n", aa)
	chk.Matrix(tst, "aa", 1.0e-15, aa, a)

	for i := 0; i < 3; i++ {
		for j := 0; j < 3; j++ {
			chk.Scalar(tst, fmt.Sprintf("am[%d][%d]", i, j), 1.0e-15, M2T(am, i, j), a[i][j])
		}
	}

	b := [][]float64{
		{4.0, 1.0 / SQ2, 3.0 / SQ2},
		{1.0 / SQ2, 5.0, 2.0 / SQ2},
		{3.0 / SQ2, 2.0 / SQ2, 6.0},
	}
	bm := make([]float64, 6)
	bb := Alloc2()
	Ten2Man(bm, b)
	Man2Ten(bb, bm)
	io.Pf("b  = %v\n", b)
	io.Pf("bm = %v\n", bm)
	io.Pf("bb = %v\n", bb)
	chk.Matrix(tst, "bb", 1.0e-15, bb, b)

	for i := 0; i < 3; i++ {
		for j := 0; j < 3; j++ {
			chk.Scalar(tst, fmt.Sprintf("bm[%d][%d]", i, j), 1.0e-15, M2T(bm, i, j), b[i][j])
		}
	}
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:45，代码来源:t_tensor_test.go


示例13: Test_imap

func Test_imap(tst *testing.T) {

	//utl.Tsilent = false
	chk.PrintTitle("Test imap")

	for name, shape := range factory {
		gndim := shape.Gndim
		if gndim == 1 {
			continue
		}

		io.Pfyel("--------------------------------- %-6s---------------------------------\n", name)

		// check inverse mapping
		tol := 1e-14
		noise := 0.01
		if name == "tri10" {
			tol = 1e-14
		}
		if shape.FaceNvertsMax > 2 {
			noise = 0.0
		}
		nverts := shape.Nverts
		C := la.MatAlloc(gndim, nverts)
		s := []float64{rand.Float64(), rand.Float64(), rand.Float64()} // scale factors
		la.MatCopy(C, 1.0, shape.NatCoords)
		_ = tol
		io.Pf("nverts:%v\n", nverts)
		io.Pf("gndim:%v\n", gndim)
		for i := 0; i < gndim; i++ {
			for j := 0; j < nverts; j++ {
				C[i][j] *= s[i]
				C[i][j] += noise * rand.Float64() // noise
			}
		}

		r := make([]float64, 3)
		x := make([]float64, 3)
		R := la.MatAlloc(gndim, nverts)

		for j := 0; j < nverts; j++ {
			for i := 0; i < gndim; i++ {
				x[i] = C[i][j]
			}
			err := shape.InvMap(r, x, C)
			io.Pf("r:%v\n", r)
			_ = err
			for i := 0; i < gndim; i++ {
				R[i][j] = r[i]
			}
		}

		chk.Matrix(tst, "checking", tol, R, shape.NatCoords)

		io.PfGreen("OK\n")
	}
}
开发者ID:PaddySchmidt，项目名称:gofem，代码行数:57，代码来源:t_imap_test.go


示例14: Test_assemb01

func Test_assemb01(tst *testing.T) {

	chk.PrintTitle("assemb01")

	// grid
	var g Grid2D
	g.Init(1.0, 1.0, 3, 3)

	// equations numbering
	var e Equations
	e.Init(g.N, []int{0, 3, 6})

	// K11 and K12
	var K11, K12 la.Triplet
	InitK11andK12(&K11, &K12, &e)

	// assembly
	F1 := make([]float64, e.N1)
	Assemble(&K11, &K12, F1, nil, &g, &e)

	// check
	K11d := K11.ToMatrix(nil).ToDense()
	K12d := K12.ToMatrix(nil).ToDense()
	K11c := [][]float64{
		{16.0, -4.0, -8.0, 0.0, 0.0, 0.0},
		{-8.0, 16.0, 0.0, -8.0, 0.0, 0.0},
		{-4.0, 0.0, 16.0, -4.0, -4.0, 0.0},
		{0.0, -4.0, -8.0, 16.0, 0.0, -4.0},
		{0.0, 0.0, -8.0, 0.0, 16.0, -4.0},
		{0.0, 0.0, 0.0, -8.0, -8.0, 16.0},
	}
	K12c := [][]float64{
		{-4.0, 0.0, 0.0},
		{0.0, 0.0, 0.0},
		{0.0, -4.0, 0.0},
		{0.0, 0.0, 0.0},
		{0.0, 0.0, -4.0},
		{0.0, 0.0, 0.0},
	}
	chk.Matrix(tst, "K11: ", 1e-16, K11d, K11c)
	chk.Matrix(tst, "K12: ", 1e-16, K12d, K12c)
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:42，代码来源:t_assemb_test.go


示例15: RunInvCheck

func RunInvCheck(tst *testing.T, key string, M, CorrectInvM [][]float64, checkI bool, Tol, TolI float64) {
	m, n := len(M), len(M[0])
	Mi := MatAlloc(n, m)
	t0 := time.Now()
	err := MatInvG(Mi, M, 1e-13)
	if err != nil {
		chk.Panic("%v", err.Error())
	}
	io.Pfpink("Lapack: time elapsed = %v\n", time.Now().Sub(t0))
	MMi := MatAlloc(m, m)
	MMiM := MatAlloc(m, n)
	MatMul(MMi, 1, M, Mi)   // MMi = M * Mi
	MatMul(MMiM, 1, MMi, M) // MMiM = M * Mi * M == M
	chk.Matrix(tst, io.Sf("%s => Mi - CorrectInvM ", key), Tol, Mi, CorrectInvM)
	chk.Matrix(tst, io.Sf("%s => M*Mi*M = M       ", key), Tol, MMiM, M)
	if checkI {
		I := MatAlloc(m, m)
		MatSetDiag(I, 1)
		chk.Matrix(tst, io.Sf("%s => M*Mi = I         ", key), TolI, MMi, I)
	}
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:21，代码来源:t_matinv_test.go


示例16: TestCholesky01

func TestCholesky01(tst *testing.T) {

	chk.PrintTitle("TestCholesky 01")

	a := [][]float64{
		{25.0, 15.0, -5.0},
		{15.0, 18.0, 0.0},
		{-5.0, 0.0, 11.0},
	}

	L := MatAlloc(3, 3)
	Cholesky(L, a) // L is such as A = L * transp(L)
	PrintMat("a", a, "%6g", false)
	PrintMat("L", L, "%6g", false)
	LLt := calc_LLt(L)
	chk.Matrix(tst, "a = LLt", 1e-17, LLt, a)
	chk.Matrix(tst, "L", 1e-17, L, [][]float64{
		{5, 0, -0},
		{3, 3, 0},
		{-1, 1, 3},
	})
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:22，代码来源:t_densesol_test.go


示例17: main

func main() {

	mpi.Start(false)
	defer func() {
		mpi.Stop(false)
	}()

	if mpi.Rank() == 0 {
		chk.PrintTitle("Test SumToRoot 01")
	}

	M := [][]float64{
		{1000, 1000, 1000, 1011, 1021, 1000},
		{1000, 1000, 1000, 1012, 1022, 1000},
		{1000, 1000, 1000, 1013, 1023, 1000},
		{1011, 1012, 1013, 1000, 1000, 1000},
		{1021, 1022, 1023, 1000, 1000, 1000},
		{1000, 1000, 1000, 1000, 1000, 1000},
	}

	id, sz, m := mpi.Rank(), mpi.Size(), len(M)
	start, endp1 := (id*m)/sz, ((id+1)*m)/sz

	if sz > 6 {
		chk.Panic("this test works with at most 6 processors")
	}

	var J la.Triplet
	J.Init(m, m, m*m)
	for i := start; i < endp1; i++ {
		for j := 0; j < m; j++ {
			J.Put(i, j, M[i][j])
		}
	}
	la.PrintMat(fmt.Sprintf("J @ proc # %d", id), J.ToMatrix(nil).ToDense(), "%10.1f", false)

	la.SpTriSumToRoot(&J)
	var tst testing.T
	if mpi.Rank() == 0 {
		chk.Matrix(&tst, "J @ proc 0", 1.0e-17, J.ToMatrix(nil).ToDense(), [][]float64{
			{1000, 1000, 1000, 1011, 1021, 1000},
			{1000, 1000, 1000, 1012, 1022, 1000},
			{1000, 1000, 1000, 1013, 1023, 1000},
			{1011, 1012, 1013, 1000, 1000, 1000},
			{1021, 1022, 1023, 1000, 1000, 1000},
			{1000, 1000, 1000, 1000, 1000, 1000},
		})
	}
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:49，代码来源:t_sumtoroot_main.go


示例18: TestCholesky02

func TestCholesky02(tst *testing.T) {

	chk.PrintTitle("TestCholesky 02")

	a := [][]float64{
		{2, 1, 1, 3, 2},
		{1, 2, 2, 1, 1},
		{1, 2, 9, 1, 5},
		{3, 1, 1, 7, 1},
		{2, 1, 5, 1, 8},
	}
	L := MatAlloc(5, 5)
	Cholesky(L, a)
	PrintMat("a", a, "%6g", false)
	PrintMat("L", L, "%10.6f", false)
	chk.Matrix(tst, "a = LLt", 1e-15, calc_LLt(L), a)
	chk.Matrix(tst, "L", 1e-15, L, [][]float64{
		{math.Sqrt2, 0, 0, 0, 0},
		{1.0 / math.Sqrt2, math.Sqrt(3.0 / 2.0), 0, 0, 0},
		{1.0 / math.Sqrt2, math.Sqrt(3.0 / 2.0), math.Sqrt(7.0), 0, 0},
		{3.0 / math.Sqrt2, -1.0 / math.Sqrt(6.0), 0, math.Sqrt(7.0 / 3.0), 0},
		{math.Sqrt2, 0, 4.0 / math.Sqrt(7.0), -2.0 * math.Sqrt(3.0/7.0), math.Sqrt2},
	})
}
开发者ID:yunpeng1，项目名称:gosl，代码行数:24，代码来源:t_densesol_test.go


示例19: TestSparseLA09

func TestSparseLA09(tst *testing.T) {

	chk.PrintTitle("TestSparse LA09")

	var a Triplet
	SpTriSetDiag(&a, 4, 666.0)
	A := a.ToMatrix(nil).ToDense()
	PrintMat("diag(4) with 666 =", A, "%8g", false)
	chk.Matrix(tst, "a", 1e-17, A, [][]float64{
		{666, 0, 0, 0},
		{0, 666, 0, 0},
		{0, 0, 666, 0},
		{0, 0, 0, 666},
	})
}
开发者ID:PatrickSchm，项目名称:gosl，代码行数:15，代码来源:t_sparsela_test.go


示例20: Test_serial03

func Test_serial03(tst *testing.T) {

	//verbose()
	chk.PrintTitle("serial03")

	a := [][]float64{
		{1, 2, 3, 4},
		{5, 6, 7, 8},
		{9, 0, -1, -2},
	}
	v := DblMatToArray(a)
	b := DblArrayToMat(v, 3, 4)
	io.Pforan("a => v = %v\n", v)
	io.Pforan("v => a = %v\n", b)
	chk.Vector(tst, "a => v", 1e-15, v, []float64{1, 5, 9, 2, 6, 0, 3, 7, -1, 4, 8, -2})
	chk.Matrix(tst, "v => a", 1e-15, b, a)
}
开发者ID:PaddySchmidt，项目名称:gosl，代码行数:17，代码来源:t_serialize_test.go



注：本文中的github.com/cpmech/gosl/chk.Matrix函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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